diff --git a/README.md b/README.md
index 7705a56..42f47bf 100644
--- a/README.md
+++ b/README.md
@@ -1,10 +1,10 @@
-# Myvas.AspNetCore.Weixin
+# Myvas.AspNetCore.Weixin [![NuGet](https://img.shields.io/nuget/v/Myvas.AspNetCore.Weixin.svg)](https://www.nuget.org/packages/Myvas.AspNetCore.Weixin) [![GitHub (Pre-)Release Date](https://img.shields.io/github/release-date-pre/myvas/AspNetCore.Weixin?label=github)](https://github.com/myvas/AspNetCore.Weixin)
 An ASP.NET Core middleware for Tencent Wechat/Weixin message handling and apis. (微信公众平台/接口调用服务)
 
 微信公众平台/接口调用服务：在微信公众平台上申请服务号或订阅号后，经配置部署可提供自定义菜单、即时信息交流、微信网页授权、模板消息通知等接口调用服务。
 
-## NuGet
-https://www.nuget.org/packages/AspNetCore.Weixin/
+## Demo
+http://demo.auth.myvas.com (debian.9-x64) [![GitHub (Pre-)Release Date](https://img.shields.io/github/release-date-pre/myvas/AspNetCore.Authentication.Demo?label=github)](https://github.com/myvas/AspNetCore.Authentication.Demo)
 
 ## Settings
 https://mp.weixin.qq.com
@@ -159,9 +159,6 @@ $(document).ready(function () {
 </script>
 ```
 
-## Demo
-https://wx.myvas.com
-
 ## Dev
-* [.NET Core SDK 2.1 LTS](https://dotnet.microsoft.com/download/dotnet-core/2.1) 2.1.802
+* [.NET Core SDK 2.2](https://dotnet.microsoft.com/download/dotnet-core/2.2)
 * [微信开发者工具](https://mp.weixin.qq.com/debug/wxadoc/dev/devtools/download.html)
diff --git a/samples/Demo/Applications/IWeixinEventSink.cs b/samples/Demo/Applications/IWeixinEventSink.cs
deleted file mode 100644
index a8104bf..0000000
--- a/samples/Demo/Applications/IWeixinEventSink.cs
+++ /dev/null
@@ -1,23 +0,0 @@
-using System.Threading.Tasks;
-using AspNetCore.Weixin;
-
-namespace Demo.Applications
-{
-	public interface IWeixinEventSink
-	{
-		Task<bool> OnClickMenuEventReceived(object sender, ClickMenuEventReceivedEventArgs e);
-		Task<bool> OnEnterEventReceived(object sender, EnterEventReceivedEventArgs e);
-		Task<bool> OnImageMessageReceived(object sender, ImageMessageReceivedEventArgs e);
-		Task<bool> OnLinkMessageReceived(object sender, LinkMessageReceivedEventArgs e);
-		Task<bool> OnLocationEventReceived(object sender, LocationEventReceivedEventArgs e);
-		Task<bool> OnLocationMessageReceived(object sender, LocationMessageReceivedEventArgs e);
-		Task<bool> OnQrscanEventReceived(object sender, QrscanEventReceivedEventArgs e);
-		Task<bool> OnShortVideoMessageReceived(object sender, ShortVideoMessageReceivedEventArgs e);
-		Task<bool> OnSubscribeEventReceived(object sender, SubscribeEventReceivedEventArgs e);
-		Task<bool> OnTextMessageReceived(object sender, TextMessageReceivedEventArgs e);
-		Task<bool> OnUnsubscribeEventReceived(object sender, UnsubscribeEventReceivedEventArgs e);
-		Task<bool> OnVideoMessageReceived(object sender, VideoMessageReceivedEventArgs e);
-		Task<bool> OnViewMenuEventReceived(object sender, ViewMenuEventReceivedEventArgs e);
-		Task<bool> OnVoiceMessageReceived(object sender, VoiceMessageReceivedEventArgs e);
-	}
-}
\ No newline at end of file
diff --git a/samples/Demo/Applications/WeixinEventSink.cs b/samples/Demo/Applications/WeixinEventSink.cs
deleted file mode 100644
index a725342..0000000
--- a/samples/Demo/Applications/WeixinEventSink.cs
+++ /dev/null
@@ -1,312 +0,0 @@
-using AspNetCore.Weixin;
-using Demo.Data;
-using Demo.Entities;
-using Microsoft.Extensions.Logging;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace Demo.Applications
-{
-	public class WeixinEventSink : IWeixinEventSink
-	{
-		private readonly ILogger<WeixinEventSink> _logger;
-		private readonly WeixinDbContext _db;
-
-		public WeixinEventSink(ILoggerFactory loggerFactory,
-			WeixinDbContext db)
-		{
-			_logger = loggerFactory?.CreateLogger<WeixinEventSink>() ?? throw new ArgumentNullException(nameof(loggerFactory));
-			_db = db ?? throw new ArgumentNullException(nameof(db));
-		}
-
-		public async Task<bool> OnTextMessageReceived(object sender, TextMessageReceivedEventArgs e)
-		{
-			_logger.LogDebug(XmlConvert.SerializeObject(e));
-
-			var msg = new ReceivedTextMessage();
-			msg.Content = e.Content;
-			msg.From = e.FromUserName;
-			msg.To = e.ToUserName;
-			msg.ReceivedTime = new DateTimeOffset(WeixinTimestampHelper.ToUtcTime(e.CreateTimeStr));
-			_db.ReceivedTextMessages.Add(msg);
-			var saveResult = await _db.SaveChangesAsync();
-			if (saveResult > 0)
-			{
-				_logger.LogDebug($"已将微信文本消息存入数据库。Result:{saveResult}, From:{msg.From}, To:{msg.To}, Time:{msg.ReceivedTime}, Content:{msg.Content}");
-			}
-			_logger.LogDebug($"微信文本消息在数据库中共{_db.ReceivedTextMessages.ToList().Count()}条记录。");
-
-
-			var messageHandler = sender as WeixinMessageHandler;
-			var responseMessage = new ResponseMessageText();
-			{
-				var result = new StringBuilder();
-				result.AppendFormat("您刚才发送了文本信息：{0}", e.Content);
-
-				responseMessage.FromUserName = e.ToUserName;
-				responseMessage.ToUserName = e.FromUserName;
-				responseMessage.Content = result.ToString();
-			}
-			await messageHandler.WriteAsync(responseMessage);
-
-			_logger.LogDebug(XmlConvert.SerializeObject(responseMessage));
-
-			return true;
-		}
-
-		public async Task<bool> OnLinkMessageReceived(object sender, LinkMessageReceivedEventArgs e)
-		{
-			_logger.LogInformation($"OnLinkMessageReceived: {e.Url}");
-
-			var messageHandler = sender as WeixinMessageHandler;
-			var responseMessage = new ResponseMessageText();
-			responseMessage.FromUserName = e.ToUserName;
-			responseMessage.ToUserName = e.FromUserName;
-			responseMessage.Content = string.Format(@"您发送了一条链接信息：
-            Title：{0}
-            Description:{1}
-            Url:{2}", e.Title, e.Description, e.Url);
-			await messageHandler.WriteAsync(responseMessage);
-
-			return true;
-		}
-
-		public async Task<bool> OnVideoMessageReceived(object sender, VideoMessageReceivedEventArgs e)
-		{
-			var messageHandler = sender as WeixinMessageHandler;
-			var responseMessage = new ResponseMessageText();
-			responseMessage.FromUserName = e.ToUserName;
-			responseMessage.ToUserName = e.FromUserName;
-			responseMessage.Content = "您发送了一条视频信息，ID：" + e.MediaId;
-			await messageHandler.WriteAsync(responseMessage);
-
-			return true;
-		}
-
-		public async Task<bool> OnShortVideoMessageReceived(object sender, ShortVideoMessageReceivedEventArgs e)
-		{
-			var messageHandler = sender as WeixinMessageHandler;
-			var responseMessage = new ResponseMessageText();
-			responseMessage.FromUserName = e.ToUserName;
-			responseMessage.ToUserName = e.FromUserName;
-			responseMessage.Content = "您发送了一条小视频信息，ID：" + e.MediaId;
-			await messageHandler.WriteAsync(responseMessage);
-
-			return true;
-		}
-
-		public async Task<bool> OnVoiceMessageReceived(object sender, VoiceMessageReceivedEventArgs e)
-		{
-			var messageHandler = sender as WeixinMessageHandler;
-			var responseMessage = new ResponseMessageVoice();
-			responseMessage.FromUserName = e.ToUserName;
-			responseMessage.ToUserName = e.FromUserName;
-			responseMessage.Voice.MediaId = e.MediaId;
-			//responseMessage.Music.MusicUrl = e.MediaId;
-			//responseMessage.Music.Title = "语音";
-			//responseMessage.Music.Description = "这里是一条语音消息";
-			await messageHandler.WriteAsync(responseMessage);
-
-			return true;
-		}
-
-		public async Task<bool> OnImageMessageReceived(object sender, ImageMessageReceivedEventArgs e)
-		{
-			var messageHandler = sender as WeixinMessageHandler;
-			var responseMessage = new ResponseMessageNews();
-			responseMessage.FromUserName = e.ToUserName;
-			responseMessage.ToUserName = e.FromUserName;
-			responseMessage.Articles.Add(new Article()
-			{
-				Title = "您刚才发送了图片信息",
-				Description = "您发送的图片将会显示在边上",
-				PicUrl = e.PicUrl,
-				Url = "http://wx.demo.com"
-			});
-			responseMessage.Articles.Add(new Article()
-			{
-				Title = "第二条",
-				Description = "第二条带链接的内容",
-				PicUrl = e.PicUrl,
-				Url = "http://wx.demo.com"
-			});
-			await messageHandler.WriteAsync(responseMessage);
-
-			return true;
-		}
-
-		public async Task<bool> OnLocationMessageReceived(object sender, LocationMessageReceivedEventArgs e)
-		{
-			var messageHandler = sender as WeixinMessageHandler;
-			var responseMessage = new ResponseMessageNews();
-			responseMessage.FromUserName = e.ToUserName;
-			responseMessage.ToUserName = e.FromUserName;
-
-			var markersList = new List<GoogleMapMarkers>();
-			markersList.Add(new GoogleMapMarkers()
-			{
-				Latitude = e.Latitude,
-				Longitude = e.Longitude,
-				Color = "red",
-				Label = "S",
-				Size = GoogleMapMarkerSize.Default,
-			});
-			var mapSize = "480x600";
-			var mapUrl = GoogleMapHelper.GetGoogleStaticMap(19 /*requestMessage.Scale*//*微信和GoogleMap的Scale不一致，这里建议使用固定值*/,
-															markersList, mapSize);
-			responseMessage.Articles.Add(new Article()
-			{
-				Description = string.Format("您刚才发送了地理位置信息。Location_X：{0}，Location_Y：{1}，Scale：{2}，标签：{3}",
-							  e.Latitude, e.Longitude,
-							  e.Scale, e.Label),
-				PicUrl = mapUrl,
-				Title = "定位地点周边地图",
-				Url = mapUrl
-			});
-			responseMessage.Articles.Add(new Article()
-			{
-				Title = "AspNetCore.Weixin",
-				Description = "AspNetCore.Weixin",
-				PicUrl = "http://wx.demo.com/logo.jpg",
-				Url = "http://wx.demo.com"
-			});
-
-			await messageHandler.WriteAsync(responseMessage);
-
-			return true;
-		}
-
-		public async Task<bool> OnLocationEventReceived(object sender, LocationEventReceivedEventArgs e)
-		{
-			//这里是微信客户端（通过微信服务器）自动发送过来的位置信息
-			var messageHandler = sender as WeixinMessageHandler;
-			var responseMessage = new ResponseMessageText();
-			responseMessage.FromUserName = e.ToUserName;
-			responseMessage.ToUserName = e.FromUserName;
-			responseMessage.Content = string.Format("刚刚上报了一条定位信息：(Lat={0},Lon={1},Prc={2})",
-				e.Latitude, e.Longitude, e.Precision);
-			await messageHandler.WriteAsync(responseMessage);
-
-			return true;
-		}
-
-		public async Task<bool> OnClickMenuEventReceived(object sender, ClickMenuEventReceivedEventArgs e)
-		{
-			_logger.LogDebug("点击了子菜单按钮({0}): {1}", e.FromUserName, e.MenuItemKey);
-
-			var messageHandler = sender as WeixinMessageHandler;
-			var responseMessage = new ResponseMessageText();
-			responseMessage.FromUserName = e.ToUserName;
-			responseMessage.ToUserName = e.FromUserName;
-			responseMessage.Content = string.Format("点击了子菜单按钮({0}): {1}", e.FromUserName, e.MenuItemKey);
-			await messageHandler.WriteAsync(responseMessage);
-
-			return true;
-		}
-
-		public async Task<bool> OnViewMenuEventReceived(object sender, ViewMenuEventReceivedEventArgs e)
-		{
-			_logger.LogDebug("点击了子菜单按钮({0}): {1}", e.FromUserName, e.Url);
-
-			var messageHandler = sender as WeixinMessageHandler;
-			var responseMessage = new ResponseMessageText();
-			responseMessage.FromUserName = e.ToUserName;
-			responseMessage.ToUserName = e.FromUserName;
-			responseMessage.Content = string.Format("点击了子菜单按钮({0}): {1}", e.FromUserName, e.Url);
-			await messageHandler.WriteAsync(responseMessage);
-
-			return true;
-		}
-
-		public async Task<bool> OnUnsubscribeEventReceived(object sender, UnsubscribeEventReceivedEventArgs e)
-		{
-			_logger.LogDebug("Unsubscribe({0})", e.FromUserName);
-
-			var messageHandler = sender as WeixinMessageHandler;
-			var responseMessage = new ResponseMessageText();
-			responseMessage.FromUserName = e.ToUserName;
-			responseMessage.ToUserName = e.FromUserName;
-			responseMessage.Content = string.Format("Unsubscribe({0})", e.FromUserName);
-			await messageHandler.WriteAsync(responseMessage);
-
-			return true;
-		}
-
-		public async Task<bool> OnEnterEventReceived(object sender, EnterEventReceivedEventArgs e)
-		{
-			var messageHandler = sender as WeixinMessageHandler;
-			_logger.LogDebug("Subscribe: from:{0}", e.FromUserName);
-
-			var responseMessage = new ResponseMessageNews();
-			responseMessage.FromUserName = e.ToUserName;
-			responseMessage.ToUserName = e.FromUserName;
-			responseMessage.Articles.Add(new Article()
-			{
-				Title = "欢迎进入AspNetCore.Weixin演示系统",
-				Description = "由AspNetCore.Weixin提供",
-				PicUrl = "https://mp.weixin.qq.com/cgi-bin/getimgdata?mode=large&source=file&fileId=200121314%3E&token=977619473&lang=zh_CN",
-				Url = "http://wx.demo.com"
-			});
-			await messageHandler.WriteAsync(responseMessage);
-
-			return true;
-		}
-
-		public async Task<bool> OnSubscribeEventReceived(object sender, SubscribeEventReceivedEventArgs e)
-		{
-			var messageHandler = sender as WeixinMessageHandler;
-			if (string.IsNullOrWhiteSpace(e.EventKey))
-			{
-				_logger.LogDebug("Subscribe: from:{0}", e.FromUserName);
-
-				var responseMessage = new ResponseMessageNews();
-				responseMessage.FromUserName = e.ToUserName;
-				responseMessage.ToUserName = e.FromUserName;
-				responseMessage.Articles.Add(new Article()
-				{
-					Title = "欢迎体验AspNetCore.Weixin演示系统",
-					Description = "由AspNetCore.Weixin提供",
-					PicUrl = "https://mp.weixin.qq.com/cgi-bin/getimgdata?mode=large&source=file&fileId=200121314%3E&token=977619473&lang=zh_CN",
-					Url = "http://wx.demo.com"
-				});
-				await messageHandler.WriteAsync(responseMessage);
-			}
-			else
-			{
-				_logger.LogDebug("Subscribe w/ scene({0}): {1}, {2}", e.FromUserName, e.EventKey, e.Ticket);
-
-
-				var responseMessage = new ResponseMessageNews();
-				responseMessage.FromUserName = e.ToUserName;
-				responseMessage.ToUserName = e.FromUserName;
-				responseMessage.Articles.Add(new Article()
-				{
-					Title = "欢迎体验AspNetCore.Weixin演示系统",
-					Description = "由AspNetCore.Weixin提供。此消息带场景({e.EventKey}, {e.Ticket})",
-					PicUrl = "https://mp.weixin.qq.com/cgi-bin/getimgdata?mode=large&source=file&fileId=200121314%3E&token=977619473&lang=zh_CN",
-					Url = "http://wx.demo.com"
-				});
-				await messageHandler.WriteAsync(responseMessage);
-			}
-
-			return true;
-		}
-
-		public async Task<bool> OnQrscanEventReceived(object sender, QrscanEventReceivedEventArgs e)
-		{
-			_logger.LogDebug("Qrscan({0}): {1}, {2}", e.FromUserName, e.EventKey, e.Ticket);
-
-			var messageHandler = sender as WeixinMessageHandler;
-			var responseMessage = new ResponseMessageText();
-			responseMessage.FromUserName = e.ToUserName;
-			responseMessage.ToUserName = e.FromUserName;
-			responseMessage.Content = string.Format("Qrscan({0}): {1}, {2}", e.FromUserName, e.EventKey, e.Ticket);
-			await messageHandler.WriteAsync(responseMessage);
-
-			return true;
-		}
-	}
-}
diff --git a/samples/Demo/Controllers/HomeController.cs b/samples/Demo/Controllers/HomeController.cs
deleted file mode 100644
index c92a7f3..0000000
--- a/samples/Demo/Controllers/HomeController.cs
+++ /dev/null
@@ -1,103 +0,0 @@
-using AspNetCore.Weixin;
-using Demo.Data;
-using Demo.Entities;
-using Demo.Models.Home;
-using Demo.Models;
-using Microsoft.AspNetCore.Mvc;
-using Microsoft.EntityFrameworkCore;
-using Microsoft.Extensions.Logging;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading.Tasks;
-
-namespace Demo.Controllers
-{
-	public class HomeController : Controller
-	{
-		private readonly WeixinDbContext _db;
-		private readonly ILogger<HomeController> _logger;
-		private readonly IWeixinAccessToken _weixinAccessToken;
-
-		public HomeController(
-			WeixinDbContext db,
-			ILoggerFactory loggerFactory,
-			IWeixinAccessToken smsSender)
-		{
-			_db = db ?? throw new ArgumentNullException(nameof(db));
-			_logger = loggerFactory?.CreateLogger<HomeController>() ?? throw new ArgumentNullException(nameof(loggerFactory));
-			_weixinAccessToken = smsSender ?? throw new ArgumentNullException(nameof(smsSender));
-		}
-
-		public IActionResult Index()
-		{
-			var subscriberCount = _db.Subscribers.Count();
-			var receivedTextCount = _db.ReceivedTextMessages.Count();
-			var vm = new IndexViewModel() { SubscriberCount = subscriberCount, ReceivedTextCount = receivedTextCount };
-
-			return View(vm);
-		}
-
-		public async Task<IActionResult> Subscribers()
-		{
-			var vm = new ReturnableViewModel<IList<UserInfoJson>>();
-
-			var token = _weixinAccessToken.GetToken();
-			var subscribers = await UserApi.GetAllUserInfo(token);
-			vm.Item = subscribers;
-
-			return View(vm);
-		}
-
-
-		public async Task<IActionResult> ReceivedText()
-		{
-			var items = await _db.ReceivedTextMessages.ToListAsync();
-			_logger.LogDebug($"΢���ı���Ϣ�����ݿ��й�{_db.ReceivedTextMessages.ToList().Count()}����¼��");
-			return View(items);
-		}
-
-		public async Task<IActionResult> SendWeixin(string openId)
-		{
-			if (string.IsNullOrEmpty(openId))
-			{
-				return View();
-			}
-
-			var vm = new SendWeixinViewModel();
-			vm.Received = await _db.ReceivedTextMessages.Where(x => x.To == openId).ToListAsync();
-			vm.OpenId = openId;
-			return View(vm);
-		}
-
-		[HttpPost, ActionName(nameof(SendWeixin))]
-		[ValidateAntiForgeryToken]
-		public async Task<IActionResult> SendWeixin_Post(SendWeixinViewModel vm)
-		{
-			if (!ModelState.IsValid)
-			{
-				return View(vm);
-			}
-
-			var token = _weixinAccessToken.GetToken();
-			var result = await Custom.SendText(token, vm.OpenId, vm.Content);
-			if (!result.Succeeded)
-			{
-				ModelState.AddModelError("", result.errmsg);
-				return View(vm);
-			}
-
-			return RedirectToAction(nameof(Index));
-		}
-			   
-		public IActionResult About()
-		{
-			return View();
-		}
-
-		public IActionResult Error()
-		{
-			return View();
-		}
-	}
-}
\ No newline at end of file
diff --git a/samples/Demo/Controllers/JssdkController.cs b/samples/Demo/Controllers/JssdkController.cs
deleted file mode 100644
index 8605cd0..0000000
--- a/samples/Demo/Controllers/JssdkController.cs
+++ /dev/null
@@ -1,49 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading.Tasks;
-using Microsoft.AspNetCore.Mvc;
-using Demo.Entities;
-using Demo.Models;
-using AspNetCore.Weixin;
-using Microsoft.Extensions.Options;
-
-namespace Demo.Controllers
-{
-    public class JssdkController : Controller
-    {
-        private readonly IWeixinAccessToken _weixinAccessToken;
-		private readonly IWeixinJsapiTicket _weixinJsapiTicket;
-		private readonly WeixinAccessTokenOptions _options;
-
-        public JssdkController(
-            IWeixinAccessToken weixinAccessToken,
-			IWeixinJsapiTicket weixinJsapiTicket,
-            IOptions<WeixinAccessTokenOptions> optionsAccessor)
-		{
-			_weixinAccessToken = weixinAccessToken ?? throw new ArgumentNullException(nameof(weixinAccessToken));
-			_weixinJsapiTicket = weixinJsapiTicket ?? throw new ArgumentNullException(nameof(weixinJsapiTicket));
-			_options = optionsAccessor?.Value ?? throw new ArgumentNullException(nameof(optionsAccessor));
-        }
-
-        public IActionResult Index()
-        {
-            var vm = new ShareJweixinViewModel();
-
-            var config = new WeixinJsConfig()
-            {
-                debug = true,
-                appId = _options.AppId
-            };
-            var jsapiTicket = _weixinJsapiTicket.GetTicket();
-            var refererUrl = Request.GetAbsoluteUri();// Url.AbsoluteContent(Url.Action());
-            vm.ConfigJson = config.ToJson(jsapiTicket, refererUrl);
-
-            vm.Title = "链接分享测试";
-            vm.Url = "http://wx.steamlet.com/about";
-            vm.Description = "链接分享测试";
-            vm.ImgUrl = "http://wx.steamlet.com/img/mp-test.jpg";
-            return View(vm);
-        }
-    }
-}
\ No newline at end of file
diff --git a/samples/Demo/Controllers/QrcodeController.cs b/samples/Demo/Controllers/QrcodeController.cs
deleted file mode 100644
index 418d337..0000000
--- a/samples/Demo/Controllers/QrcodeController.cs
+++ /dev/null
@@ -1,49 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading.Tasks;
-using Microsoft.AspNetCore.Mvc;
-using AspNetCore.Weixin;
-using Microsoft.Extensions.Logging;
-using System.IO;
-using System.Net;
-
-namespace Demo.Controllers
-{
-    public class QrcodeController : Controller
-    {
-        private readonly ILogger<QrcodeController> _logger;
-        private readonly IWeixinAccessToken _weixinAccessToken;
-
-        public QrcodeController(ILoggerFactory loggerFactory,
-            IWeixinAccessToken weixinAccessToken)
-        {
-            _logger = loggerFactory?.CreateLogger<QrcodeController>() ?? throw new ArgumentNullException(nameof(loggerFactory));
-            _weixinAccessToken = weixinAccessToken ?? throw new ArgumentNullException(nameof(weixinAccessToken));
-        }
-
-        public IActionResult Index()
-        {
-            return View();
-        }
-
-        [HttpGet("[controller]/[action]/{scene}")]
-        public async Task<IActionResult> UrlWithScene(string scene)
-        {
-            var accessToken = _weixinAccessToken.GetToken();
-            var createQrcodeResult = await QrCode.Create(accessToken, "QR_LIMIT_STR_SCENE", scene);
-            return Json(createQrcodeResult);
-        }
-
-        [HttpGet("[controller]/[action]/{scene}")]
-        public async Task<IActionResult> QrcodeWithScene(string scene)
-        {
-            var accessToken = _weixinAccessToken.GetToken();
-            var createQrcodeResult = await QrCode.Create(accessToken, "QR_LIMIT_STR_SCENE", scene);
-
-            var url = QrCode.ShowQrcode(createQrcodeResult.ticket);
-
-            return Content(url);
-        }
-    }
-}
\ No newline at end of file
diff --git a/samples/Demo/Controllers/WeixinAccessTokenController.cs b/samples/Demo/Controllers/WeixinAccessTokenController.cs
deleted file mode 100644
index 169139f..0000000
--- a/samples/Demo/Controllers/WeixinAccessTokenController.cs
+++ /dev/null
@@ -1,27 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading.Tasks;
-using AspNetCore.Weixin;
-using Microsoft.AspNetCore.Http;
-using Microsoft.AspNetCore.Mvc;
-
-namespace Demo.Controllers
-{
-    [Route("api/[controller]")]
-    [ApiController]
-    public class WeixinAccessTokenController : ControllerBase
-    {
-		private readonly IWeixinAccessToken _weixinAccessToken;
-
-		public WeixinAccessTokenController(IWeixinAccessToken weixinAccessToken)
-		{
-			_weixinAccessToken = weixinAccessToken;
-		}
-
-		public string GetToken()
-		{
-			return _weixinAccessToken.GetToken();
-		}
-    }
-}
\ No newline at end of file
diff --git a/samples/Demo/Controllers/WeixinMenuController.cs b/samples/Demo/Controllers/WeixinMenuController.cs
deleted file mode 100644
index d421ad3..0000000
--- a/samples/Demo/Controllers/WeixinMenuController.cs
+++ /dev/null
@@ -1,66 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading.Tasks;
-using AspNetCore.Weixin;
-using Demo.Data;
-using Demo.Entities;
-using Demo.Models;
-using Microsoft.AspNetCore.Authorization;
-using Microsoft.AspNetCore.Mvc;
-using Microsoft.Extensions.Logging;
-using Newtonsoft.Json;
-
-namespace Demo.Controllers
-{
-	[Authorize]//(Policy = "WeixinMenuManager")]
-	public class WeixinMenuController : Controller
-	{
-		private readonly IdentityDbContext _context;
-		private readonly IWeixinAccessToken _weixinAccessToken;
-		private readonly ILogger<WeixinMenuController> _logger;
-
-		public WeixinMenuController(IdentityDbContext context,
-			IWeixinAccessToken weixinAccessToken,
-			ILogger<WeixinMenuController> logger)
-		{
-			_context = context;
-			_weixinAccessToken = weixinAccessToken;
-			_logger = logger ?? throw new ArgumentNullException(nameof(logger));
-		}
-
-		public async Task<IActionResult> Index()
-		{
-			var token = _weixinAccessToken.GetToken();
-			var resultJson = await MenuApi.GetMenuAsync(token);
-
-			var vm = new WeixinJsonViewModel
-			{
-				Token = token,
-				Json = JsonConvert.SerializeObject(resultJson, Formatting.Indented)
-			};
-			return View(vm);
-		}
-
-		[HttpPost]
-		[ValidateAntiForgeryToken]
-		public async Task<IActionResult> UpdateWeixinMenu(WeixinJsonViewModel vm)
-		{
-			if (ModelState.IsValid)
-			{
-				if (!string.IsNullOrEmpty(vm.Json))
-				{
-					var token = _weixinAccessToken.GetToken();
-					var result = await MenuApi.CreateMenuAsync(token, vm.Json);
-
-					_logger.LogDebug(result.ToString());
-
-					return View("UpdateMenuResult", result);
-				}
-			}
-
-			// If we got this far, something failed; redisplay form.
-			return RedirectToAction(nameof(Index), new { input = vm.Json });
-		}
-	}
-}
\ No newline at end of file
diff --git a/samples/Demo/Core/Entities/Entity.cs b/samples/Demo/Core/Entities/Entity.cs
deleted file mode 100644
index d0aa9ed..0000000
--- a/samples/Demo/Core/Entities/Entity.cs
+++ /dev/null
@@ -1,118 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.ComponentModel.DataAnnotations;
-
-namespace System
-{
-
-    /// <summary>
-    /// A shortcut of <see cref="Entity{TKey}"/> for most used primary key type (<see cref="string"/>).
-    /// </summary>
-    public abstract class Entity : Entity<string>
-    {
-        public Entity()
-        {
-            Id = ShortGuid.NewGuid().ToString();
-        }
-    }
-
-    /// <summary>
-    /// Basic implementation of IEntity interface.
-    /// An entity can inherit this class of directly implement to IEntity interface.
-    /// </summary>
-    /// <typeparam name="TKey">Type of the primary key of the entity</typeparam>
-    public abstract class Entity<TKey> : IEntity<TKey>
-        where TKey : IEquatable<TKey>
-    {
-        /// <summary>
-        /// Unique identifier for this entity.
-        /// </summary>
-        public virtual TKey Id { get; set; }
-
-        /// <summary>
-        /// Checks if this entity is transient (it has not an Id).
-        /// </summary>
-        /// <returns>True, if this entity is transient</returns>
-        public virtual bool IsTransient()
-        {
-            if (EqualityComparer<TKey>.Default.Equals(Id, default(TKey)))
-            {
-                return true;
-            }
-
-            //Workaround for EF Core since it sets int/long to min value when attaching to dbcontext
-            if (typeof(TKey) == typeof(int))
-            {
-                return Convert.ToInt32(Id) <= 0;
-            }
-
-            if (typeof(TKey) == typeof(long))
-            {
-                return Convert.ToInt64(Id) <= 0;
-            }
-
-            return false;
-        }
-
-        /// <inheritdoc/>
-        public override bool Equals(object obj)
-        {
-            if (obj == null || !(obj is Entity<TKey>))
-            {
-                return false;
-            }
-
-            //Same instances must be considered as equal
-            if (ReferenceEquals(this, obj))
-            {
-                return true;
-            }
-
-            //Transient objects are not considered as equal
-            var other = (Entity<TKey>)obj;
-            if (IsTransient() && other.IsTransient())
-            {
-                return false;
-            }
-
-            //Must have a IS-A relation of types or must be same type
-            var typeOfThis = GetType();
-            var typeOfOther = other.GetType();
-            if (!typeOfThis.IsAssignableFrom(typeOfOther) && !typeOfOther.IsAssignableFrom(typeOfThis))
-            {
-                return false;
-            }
-            
-            return Id.Equals(other.Id);
-        }
-
-        /// <inheritdoc/>
-        public override int GetHashCode()
-        {
-            return Id.GetHashCode();
-        }
-
-        /// <inheritdoc/>
-        public static bool operator ==(Entity<TKey> left, Entity<TKey> right)
-        {
-            if (Equals(left, null))
-            {
-                return Equals(right, null);
-            }
-
-            return left.Equals(right);
-        }
-
-        /// <inheritdoc/>
-        public static bool operator !=(Entity<TKey> left, Entity<TKey> right)
-        {
-            return !(left == right);
-        }
-
-        /// <inheritdoc/>
-        public override string ToString()
-        {
-            return $"[{GetType().Name} {Id}]";
-        }
-    }
-}
diff --git a/samples/Demo/Core/Entities/IEntity.cs b/samples/Demo/Core/Entities/IEntity.cs
deleted file mode 100644
index e494475..0000000
--- a/samples/Demo/Core/Entities/IEntity.cs
+++ /dev/null
@@ -1,34 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading.Tasks;
-
-namespace System
-{
-    /// <summary>
-    /// A shortcut of <see cref="IEntity{TKey}"/> for most used primary key type (<see cref="string"/>).
-    /// </summary>
-    public interface IEntity : IEntity<string>
-    {
-
-    }
-
-    /// <summary>
-    /// Defines interface for base entity type. All entities in the system must implement this interface.
-    /// </summary>
-    /// <typeparam name="TKey">Type of the primary key of the entity</typeparam>
-    public interface IEntity<TKey>
-        where TKey : IEquatable<TKey>
-    {
-        /// <summary>
-        /// Unique identifier for this entity.
-        /// </summary>
-        TKey Id { get; set; }
-
-        /// <summary>
-        /// Checks if this entity is transient (not persisted to database and it has not an <see cref="Id"/>).
-        /// </summary>
-        /// <returns>True, if this entity is transient</returns>
-        //bool IsTransient();
-    }
-}
diff --git a/samples/Demo/Core/Entities/ShortGuid.cs b/samples/Demo/Core/Entities/ShortGuid.cs
deleted file mode 100644
index 81eac8b..0000000
--- a/samples/Demo/Core/Entities/ShortGuid.cs
+++ /dev/null
@@ -1,283 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading.Tasks;
-
-namespace System
-{
-    /// <summary>
-    /// A base64-like shorter and url friendly Guid class.
-    /// 
-    /// It takes a standard GUID like this:
-    /// c9a646d3-9c61-4cb7-bfcd-ee2522c8f633
-    /// And converts it into this smaller string:
-    /// 00amyWGct0y_ze4lIsj2Mw
-    /// 
-    /// </summary>
-    /// <remarks>
-    /// ref http://www.singular.co.nz/2007/12/shortguid-a-shorter-and-url-friendly-guid-in-c-sharp/
-    /// </remarks>
-
-    /// <summary>
-    /// Represents a globally unique identifier (GUID) with a
-    /// shorter string value. Sguid
-    /// </summary>
-    public struct ShortGuid
-    {
-        #region Static
-
-        /// <summary>
-        /// A read-only instance of the ShortGuid class whose value
-        /// is guaranteed to be all zeroes.
-        /// </summary>
-        public static readonly ShortGuid Empty = new ShortGuid(Guid.Empty);
-
-        #endregion
-
-        #region Fields
-
-        Guid _guid;
-        string _value;
-
-        #endregion
-
-        #region Contructors
-
-        /// <summary>
-        /// Creates a ShortGuid from a base64 encoded string
-        /// </summary>
-        /// <param name="value">The encoded guid as a
-        /// base64 string</param>
-        public ShortGuid(string value)
-        {
-            _value = value;
-            _guid = Decode(value);
-        }
-
-        /// <summary>
-        /// Creates a ShortGuid from a Guid
-        /// </summary>
-        /// <param name="guid">The Guid to encode</param>
-        public ShortGuid(Guid guid)
-        {
-            _value = Encode(guid);
-            _guid = guid;
-        }
-
-        #endregion
-
-        #region Properties
-
-        /// <summary>
-        /// Gets/sets the underlying Guid
-        /// </summary>
-        public Guid Guid
-        {
-            get { return _guid; }
-            set
-            {
-                if (value != _guid)
-                {
-                    _guid = value;
-                    _value = Encode(value);
-                }
-            }
-        }
-
-        /// <summary>
-        /// Gets/sets the underlying base64 encoded string
-        /// </summary>
-        public string Value
-        {
-            get { return _value; }
-            set
-            {
-                if (value != _value)
-                {
-                    _value = value;
-                    _guid = Decode(value);
-                }
-            }
-        }
-
-        #endregion
-
-        #region ToString
-
-        /// <summary>
-        /// Returns the base64 encoded guid as a string
-        /// </summary>
-        /// <returns></returns>
-        public override string ToString()
-        {
-            return _value;
-        }
-
-        #endregion
-
-        #region Equals
-
-        /// <summary>
-        /// Returns a value indicating whether this instance and a
-        /// specified Object represent the same type and value.
-        /// </summary>
-        /// <param name="obj">The object to compare</param>
-        /// <returns></returns>
-        public override bool Equals(object obj)
-        {
-            if (obj is ShortGuid)
-                return _guid.Equals(((ShortGuid)obj)._guid);
-            if (obj is Guid)
-                return _guid.Equals((Guid)obj);
-            if (obj is string)
-                return _guid.Equals(((ShortGuid)obj)._guid);
-            return false;
-        }
-
-        #endregion
-
-        #region GetHashCode
-
-        /// <summary>
-        /// Returns the HashCode for underlying Guid.
-        /// </summary>
-        /// <returns></returns>
-        public override int GetHashCode()
-        {
-            return _guid.GetHashCode();
-        }
-
-        #endregion
-
-        #region NewGuid
-
-        /// <summary>
-        /// Initialises a new instance of the ShortGuid class
-        /// </summary>
-        /// <returns></returns>
-        public static ShortGuid NewGuid()
-        {
-            return new ShortGuid(Guid.NewGuid());
-        }
-
-        #endregion
-
-        #region Encode
-
-        /// <summary>
-        /// Creates a new instance of a Guid using the string value,
-        /// then returns the base64 encoded version of the Guid.
-        /// </summary>
-        /// <param name="value">An actual Guid string (i.e. not a ShortGuid)</param>
-        /// <returns></returns>
-        public static string Encode(string value)
-        {
-            Guid guid = new Guid(value);
-            return Encode(guid);
-        }
-
-        /// <summary>
-        /// Encodes the given Guid as a base64 string that is 22
-        /// characters long.
-        /// </summary>
-        /// <param name="guid">The Guid to encode</param>
-        /// <returns></returns>
-        public static string Encode(Guid guid)
-        {
-            string encoded = Convert.ToBase64String(guid.ToByteArray());
-            encoded = encoded
-              .Replace("/", "_")
-              .Replace("+", "-");
-            return encoded.Substring(0, 22);
-        }
-
-        #endregion
-
-        #region Decode
-
-        /// <summary>
-        /// Decodes the given base64 string
-        /// </summary>
-        /// <param name="value">The base64 encoded string of a Guid</param>
-        /// <returns>A new Guid</returns>
-        public static Guid Decode(string value)
-        {
-            value = value
-              .Replace("_", "/")
-              .Replace("-", "+");
-            byte[] buffer = Convert.FromBase64String(value + "==");
-            return new Guid(buffer);
-        }
-
-        #endregion
-
-        #region Operators
-
-        /// <summary>
-        /// Determines if both ShortGuids have the same underlying
-        /// Guid value.
-        /// </summary>
-        /// <param name="x"></param>
-        /// <param name="y"></param>
-        /// <returns></returns>
-        public static bool operator ==(ShortGuid x, ShortGuid y)
-        {
-            if ((object)x == null) return (object)y == null;
-            return x._guid == y._guid;
-        }
-
-        /// <summary>
-        /// Determines if both ShortGuids do not have the
-        /// same underlying Guid value.
-        /// </summary>
-        /// <param name="x"></param>
-        /// <param name="y"></param>
-        /// <returns></returns>
-        public static bool operator !=(ShortGuid x, ShortGuid y)
-        {
-            return !(x == y);
-        }
-
-        /// <summary>
-        /// Implicitly converts the ShortGuid to it's string equivilent
-        /// </summary>
-        /// <param name="shortGuid"></param>
-        /// <returns></returns>
-        public static implicit operator string(ShortGuid shortGuid)
-        {
-            return shortGuid._value;
-        }
-
-        /// <summary>
-        /// Implicitly converts the ShortGuid to it's Guid equivilent
-        /// </summary>
-        /// <param name="shortGuid"></param>
-        /// <returns></returns>
-        public static implicit operator Guid(ShortGuid shortGuid)
-        {
-            return shortGuid._guid;
-        }
-
-        /// <summary>
-        /// Implicitly converts the string to a ShortGuid
-        /// </summary>
-        /// <param name="shortGuid"></param>
-        /// <returns></returns>
-        public static implicit operator ShortGuid(string shortGuid)
-        {
-            return new ShortGuid(shortGuid);
-        }
-
-        /// <summary>
-        /// Implicitly converts the Guid to a ShortGuid
-        /// </summary>
-        /// <param name="guid"></param>
-        /// <returns></returns>
-        public static implicit operator ShortGuid(Guid guid)
-        {
-            return new ShortGuid(guid);
-        }
-
-        #endregion
-    }
-}
diff --git a/samples/Demo/Core/ViewModels/ReturnableViewModel.cs b/samples/Demo/Core/ViewModels/ReturnableViewModel.cs
deleted file mode 100644
index ddebd92..0000000
--- a/samples/Demo/Core/ViewModels/ReturnableViewModel.cs
+++ /dev/null
@@ -1,25 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.ComponentModel.DataAnnotations;
-using System.Linq;
-using System.Threading.Tasks;
-
-namespace Demo.Models
-{
-    public class ReturnableViewModel
-    {
-        //[Url] //相对路径不符合要求
-        [Display(Name = "返回")]
-        public string ReturnUrl { get; set; }
-    }
-
-    /// <summary>
-    /// 
-    /// </summary>
-    /// <typeparam name="T">不允许接口，必须可以实例化。可以是值类型、基础类型、无参构造自定义类。</typeparam>
-    public class ReturnableViewModel<T> : ReturnableViewModel
-        where T : class
-    {
-        public T Item { get; set; }
-    }
-}
diff --git a/samples/Demo/Core/ViewModels/SearchViewModel.cs b/samples/Demo/Core/ViewModels/SearchViewModel.cs
deleted file mode 100644
index 6a05549..0000000
--- a/samples/Demo/Core/ViewModels/SearchViewModel.cs
+++ /dev/null
@@ -1,35 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.ComponentModel.DataAnnotations;
-using System.Linq;
-using System.Threading.Tasks;
-
-namespace Demo.Models
-{
-    public class SearchViewModel : ReturnableViewModel
-    {
-        [Display(Name = "搜索")]
-        public string SearchString { get; set; }
-    }
-
-    public class SearchViewModel<TEntity> : SearchViewModel<TEntity, string>
-        where TEntity : IEntity<string>
-    {
-    }
-
-
-    public class SearchViewModel<TEntity, TKey> : ReturnableViewModel
-    where TEntity : IEntity<TKey>
-    where TKey : IEquatable<TKey>
-    {
-        [Display(Name = "搜索")]
-        public string SearchString { get; set; }
-
-        public IList<TEntity> Items { get; set; }
-
-        public SearchViewModel()
-        {
-            Items = new List<TEntity>();
-        }
-    }
-}
diff --git a/samples/Demo/Data/Identity/IdentityDbContext.cs b/samples/Demo/Data/Identity/IdentityDbContext.cs
deleted file mode 100644
index 353c647..0000000
--- a/samples/Demo/Data/Identity/IdentityDbContext.cs
+++ /dev/null
@@ -1,19 +0,0 @@
-using AspNetCore.Weixin;
-using Demo.Entities;
-using Microsoft.AspNetCore.Identity.EntityFrameworkCore;
-using Microsoft.EntityFrameworkCore;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading.Tasks;
-
-namespace Demo.Data
-{
-    public class IdentityDbContext : IdentityDbContext<AppUser>
-    {
-        public IdentityDbContext(DbContextOptions<IdentityDbContext> options)
-            : base(options)
-        {
-        }
-    }
-}
diff --git a/samples/Demo/Data/Identity/IdentityDbInitializer.cs b/samples/Demo/Data/Identity/IdentityDbInitializer.cs
deleted file mode 100644
index 15c9ea0..0000000
--- a/samples/Demo/Data/Identity/IdentityDbInitializer.cs
+++ /dev/null
@@ -1,61 +0,0 @@
-using Demo.Entities;
-using Microsoft.AspNetCore.Identity;
-using Microsoft.EntityFrameworkCore;
-using Microsoft.Extensions.DependencyInjection;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading.Tasks;
-
-namespace Demo.Data
-{
-    public static class IdentityDbInitializer
-    {
-        public const string AdminUserName = "Admin";
-        public const string AdminInitPassword = "P@ssw0rd";
-
-        public static async Task Initialize(IServiceProvider serviceProvider)
-        {
-            using (var db = new IdentityDbContext(serviceProvider.GetRequiredService<DbContextOptions<IdentityDbContext>>()))
-            {
-                await EnsureAdminUser(serviceProvider);
-            }
-        }
-
-        private static async Task EnsureAdminUser(IServiceProvider serviceProvider)
-        {
-            var userManager = serviceProvider.GetRequiredService<UserManager<AppUser>>();
-
-            var user = await userManager.FindByNameAsync(AdminUserName);
-            if (user == null)
-            {
-                user = new AppUser()
-                {
-                    UserName = AdminUserName,
-                    Email = "admin@myvas.com",
-                    EmailConfirmed = true,
-                    PhoneNumber = "13800138000",
-                    PhoneNumberConfirmed = true,
-                };
-                var result = await userManager.CreateAsync(user, AdminInitPassword);
-                if (!result.Succeeded)
-                {
-                    throw new Exception(GetErrorMessage(result));
-                }
-            }
-        }
-
-        private static string GetErrorMessage(IdentityResult identityResult)
-        {
-            var result = "";
-
-            foreach (var error in identityResult.Errors)
-            {
-                result += $"[{error.Code}]{error.Description}" + Environment.NewLine;
-            }
-            return result;
-        }
-
-
-    }
-}
diff --git a/samples/Demo/Data/WebHostDatabaseExtensions.cs b/samples/Demo/Data/WebHostDatabaseExtensions.cs
deleted file mode 100644
index 506902c..0000000
--- a/samples/Demo/Data/WebHostDatabaseExtensions.cs
+++ /dev/null
@@ -1,66 +0,0 @@
-using Microsoft.AspNetCore.Hosting;
-using Microsoft.EntityFrameworkCore;
-using Microsoft.Extensions.DependencyInjection;
-using Microsoft.Extensions.Logging;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading.Tasks;
-
-namespace Demo.Data
-{
-    public static class WebHostDatabaseExtensions
-    {
-        public static IWebHost MigrateDatabase(this IWebHost webHost)
-        {
-            using (var scope = webHost.Services.CreateScope())
-            {
-                var services = scope.ServiceProvider;
-
-                try
-                {
-                    var db = services.GetRequiredService<IdentityDbContext>();
-                    db.Database.Migrate();
-                }
-                catch (Exception ex)
-                {
-                    var logger = services.GetRequiredService<ILogger<Program>>();
-                    logger.LogError(ex, "An error occurred while migrating the Identity db.");
-                }
-
-				try
-				{
-					var db = services.GetRequiredService<WeixinDbContext>();
-					db.Database.Migrate();
-				}
-				catch (Exception ex)
-				{
-					var logger = services.GetRequiredService<ILogger<Program>>();
-					logger.LogError(ex, "An error occurred while migrating the Weixin db.");
-				}
-			}
-
-			return webHost;
-		}
-
-		public static IWebHost SeedDatabase(this IWebHost webHost)
-        {
-            using (var scope = webHost.Services.CreateScope())
-            {
-                var services = scope.ServiceProvider;
-
-                try
-                {
-                    IdentityDbInitializer.Initialize(services).Wait();
-                }
-                catch (Exception ex)
-                {
-                    var logger = services.GetRequiredService<ILogger<Program>>();
-                    logger.LogError(ex, "An error occurred while seeding the database.");
-                }
-            }
-
-            return webHost;
-        }
-    }
-}
diff --git a/samples/Demo/Data/Weixin/WeixinDbContext.cs b/samples/Demo/Data/Weixin/WeixinDbContext.cs
deleted file mode 100644
index 5583b5a..0000000
--- a/samples/Demo/Data/Weixin/WeixinDbContext.cs
+++ /dev/null
@@ -1,22 +0,0 @@
-using AspNetCore.Weixin;
-using Demo.Entities;
-using JetBrains.Annotations;
-using Microsoft.EntityFrameworkCore;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading.Tasks;
-
-namespace Demo.Data
-{
-	public class WeixinDbContext:DbContext
-	{
-		public WeixinDbContext(DbContextOptions<WeixinDbContext> options) : base(options)
-		{
-		}
-	
-		public DbSet<WeixinSubscriber> Subscribers { get; set; }
-
-		public DbSet<ReceivedTextMessage> ReceivedTextMessages { get; set; }
-	}
-}
diff --git a/samples/Demo/Demo.csproj b/samples/Demo/Demo.csproj
deleted file mode 100644
index df4e393..0000000
--- a/samples/Demo/Demo.csproj
+++ /dev/null
@@ -1,49 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk.Web">
-
-  <PropertyGroup>
-    <TargetFramework>netcoreapp2.2</TargetFramework>
-    <AssemblyName>wxdemo</AssemblyName>
-    <UserSecretsId>wxdemo</UserSecretsId>
-    <RootNamespace>Demo</RootNamespace>
-  </PropertyGroup>
-
-  <ItemGroup>
-    <PackageReference Include="Microsoft.AspNetCore.App" />
-    <PackageReference Include="Microsoft.AspNetCore.Identity.EntityFrameworkCore" Version="2.2.0" />
-    <PackageReference Include="Microsoft.AspNetCore.Identity.UI" Version="2.2.5" />
-    <PackageReference Include="Microsoft.AspNetCore.Mvc.Core" Version="2.2.5" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="2.2.6" />
-    <PackageReference Include="Myvas.AspNetCore.Authentication.QQConnect" Version="2.2.1025" />
-    <PackageReference Include="Myvas.AspNetCore.Authentication.WeixinAuth" Version="2.2.1027" />
-    <PackageReference Include="Myvas.AspNetCore.Authentication.WeixinOpen" Version="2.2.1027" />
-    <PackageReference Include="Myvas.AspNetCore.TencentSms" Version="2.2.402" />
-    <PackageReference Include="Myvas.AspNetCore.ViewDivert" Version="2.1.507" />
-    <PackageReference Include="System.Text.Encoding.CodePages" Version="4.6.0" />
-    <PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="2.2.4" PrivateAssets="All" />
-  </ItemGroup>
-  
-  <ItemGroup>
-    <DotNetCliToolReference Include="BundlerMinifier.Core" Version="2.4.337" />
-  </ItemGroup>
-  
-  <ItemGroup>
-    <ProjectReference Include="..\..\src\Weixin.Jssdk\Myvas.AspNetCore.Weixin.Jssdk.csproj" />
-    <ProjectReference Include="..\..\src\Weixin\Myvas.AspNetCore.Weixin.csproj" />
-  </ItemGroup>
-  
-  <ItemGroup>
-    <Content Update="Views\Shared\_LayoutJweixin.cshtml">
-      <Pack>$(IncludeRazorContentInPack)</Pack>
-    </Content>
-    <Content Update="wwwroot\MP_verify_MQuINXpToN5ZYtjc.txt">
-      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
-    </Content>
-  </ItemGroup>
-  
-  <ItemGroup>
-    <None Update="wxdemo.sqlite">
-      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
-    </None>
-  </ItemGroup>
-
-</Project>
diff --git a/samples/Demo/Entities/Identity/AppUser.cs b/samples/Demo/Entities/Identity/AppUser.cs
deleted file mode 100644
index 4696452..0000000
--- a/samples/Demo/Entities/Identity/AppUser.cs
+++ /dev/null
@@ -1,12 +0,0 @@
-using Microsoft.AspNetCore.Identity;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading.Tasks;
-
-namespace Demo.Entities
-{
-    public class AppUser : IdentityUser
-    {
-    }
-}
diff --git a/samples/Demo/Entities/Identity/AppUserManager.cs b/samples/Demo/Entities/Identity/AppUserManager.cs
deleted file mode 100644
index 5a1ea62..0000000
--- a/samples/Demo/Entities/Identity/AppUserManager.cs
+++ /dev/null
@@ -1,93 +0,0 @@
-using Microsoft.AspNetCore.Identity;
-using Microsoft.EntityFrameworkCore;
-using Microsoft.Extensions.Logging;
-using Microsoft.Extensions.Options;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading.Tasks;
-
-namespace Demo.Entities
-{
-    public class AppUserManager : UserManager<AppUser>
-    {
-        public AppUserManager(IUserStore<AppUser> store,
-            IOptions<IdentityOptions> optionsAccessor,
-            IPasswordHasher<AppUser> passwordHasher,
-            IEnumerable<IUserValidator<AppUser>> userValidators,
-            IEnumerable<IPasswordValidator<AppUser>> passwordValidators,
-            ILookupNormalizer keyNormalizer,
-            IdentityErrorDescriber errors,
-            IServiceProvider services,
-            ILogger<UserManager<AppUser>> logger)
-            : base(store, optionsAccessor, passwordHasher, userValidators, passwordValidators, keyNormalizer, errors, services, logger)
-        {
-        }
-
-        public virtual async Task<AppUser> FindByPhoneNumberAsync(string phoneNumber)
-        {
-            return await Users.FirstOrDefaultAsync(x => x.PhoneNumber == phoneNumber);
-        }
-
-        public virtual async Task<IdentityResult> VerifyAndConfirmPhoneNumberAsync(AppUser user, string code)
-        {
-            if (user == null)
-            {
-                throw new ArgumentNullException(nameof(user));
-            }
-
-            if (!await VerifyUserTokenAsync(user, Options.Tokens.ChangePhoneNumberTokenProvider, ChangePhoneNumberTokenPurpose + ":" + user.PhoneNumber, code))
-            {
-                return IdentityResult.Failed(ErrorDescriber.InvalidToken());
-            }
-
-            user.PhoneNumberConfirmed = true;
-            return await UpdateAsync(user);
-        }
-
-        public virtual async Task<(AppUser user, string code)> GenerateChangePhoneNumberTokenAsync(string phoneNumber)
-        {
-            var user = await FindByPhoneNumberAsync(phoneNumber);
-            if (user == null)
-            {
-                user = new AppUser { UserName = phoneNumber, PhoneNumber = phoneNumber };
-                var identityResult = await CreateAsync(user);
-                if (!identityResult.Succeeded)
-                {
-                    var errMsg = "";
-                    foreach (var err in identityResult.Errors)
-                    {
-                        errMsg += $"[{err.Code}]{err.Description}";
-                    }
-                    throw new ApplicationException($"Failed on creating a user.{errMsg}");
-                }
-            }
-
-            var code = await GenerateChangePhoneNumberTokenAsync(user, phoneNumber);
-            return (user, code);
-        }
-
-
-        public virtual async Task<(AppUser user, IdentityResult result)> VerifyChangePhoneNumberTokenAsync(string phoneNumber, string token)
-        {
-            if (string.IsNullOrEmpty(phoneNumber))
-            {
-                throw new ArgumentNullException(nameof(phoneNumber));
-            }
-            if (string.IsNullOrEmpty(token))
-            {
-                throw new ArgumentNullException(nameof(token));
-            }
-            var user = await FindByPhoneNumberAsync(phoneNumber);
-            if (user == null)
-            {
-                throw new ArgumentNullException($"User associated with phone number {phoneNumber} not exists!");
-            }
-
-            // Make sure the token is valid and the stamp matches
-            //var result = VerifyUserTokenAsync(user, Options.Tokens.ChangePhoneNumberTokenProvider, ChangePhoneNumberTokenPurpose + ":" + phoneNumber, token).Result;
-            var result = await VerifyAndConfirmPhoneNumberAsync(user, token);
-            return (user, result);
-        }
-    }
-}
diff --git a/samples/Demo/Entities/Weixin/ReceivedTextMessage.cs b/samples/Demo/Entities/Weixin/ReceivedTextMessage.cs
deleted file mode 100644
index 567a8d1..0000000
--- a/samples/Demo/Entities/Weixin/ReceivedTextMessage.cs
+++ /dev/null
@@ -1,15 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading.Tasks;
-
-namespace Demo.Entities
-{
-    public class ReceivedTextMessage : Entity
-    {
-        public string From { get; set; }
-        public string To { get; set; }
-        public DateTimeOffset ReceivedTime { get; set; }
-        public string Content { get; set; }
-    }
-}
diff --git a/samples/Demo/Entities/Weixin/WeixinSubscriber.cs b/samples/Demo/Entities/Weixin/WeixinSubscriber.cs
deleted file mode 100644
index f626f36..0000000
--- a/samples/Demo/Entities/Weixin/WeixinSubscriber.cs
+++ /dev/null
@@ -1,15 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading.Tasks;
-
-namespace Demo.Entities
-{
-    public class WeixinSubscriber :Entity
-    {
-        public string OpenId { get; set; }
-        public string Gender { get; set; }
-        public string NickName { get; set; }
-        public string AvatorImage { get; set; }
-    }
-}
diff --git a/samples/Demo/Extensions/AbsoluteActionUrlHelperExtensions.cs b/samples/Demo/Extensions/AbsoluteActionUrlHelperExtensions.cs
deleted file mode 100644
index d4f71f7..0000000
--- a/samples/Demo/Extensions/AbsoluteActionUrlHelperExtensions.cs
+++ /dev/null
@@ -1,75 +0,0 @@
-using Microsoft.AspNetCore.Http;
-using Microsoft.AspNetCore.Mvc;
-using Microsoft.AspNetCore.Mvc.Routing;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading.Tasks;
-
-namespace Demo
-{
-    /// <summary>
-    /// <see cref="IUrlHelper"/> extension methods.
-    /// </summary>
-    public static class UrlHelperExtensions
-    {
-        public static string GetAbsoluteUri(this HttpRequest request)
-        {
-            return string.Concat(
-request.Scheme,
-"://",
-request.Host.ToUriComponent(),
-request.PathBase.ToUriComponent(),
-request.Path.ToUriComponent(),
-request.QueryString.ToUriComponent());
-        }
-
-        /// <summary>
-        /// Generates a fully qualified URL to an action method by using the specified action name, controller name and
-        /// route values.
-        /// </summary>
-        /// <param name="url">The URL helper.</param>
-        /// <param name="actionName">The name of the action method.</param>
-        /// <param name="controllerName">The name of the controller.</param>
-        /// <param name="routeValues">The route values.</param>
-        /// <returns>The absolute URL.</returns>
-        public static string AbsoluteAction(
-            this IUrlHelper url,
-            string actionName,
-            string controllerName,
-            object routeValues = null)
-        {
-            return url.Action(actionName, controllerName, routeValues, url.ActionContext.HttpContext.Request.Scheme);
-        }
-
-        /// <summary>
-        /// Generates a fully qualified URL to the specified content by using the specified content path. Converts a
-        /// virtual (relative) path to an application absolute path.
-        /// </summary>
-        /// <param name="url">The URL helper.</param>
-        /// <param name="contentPath">The content path.</param>
-        /// <returns>The absolute URL.</returns>
-        public static string AbsoluteContent(
-            this IUrlHelper url,
-            string contentPath)
-        {
-            HttpRequest request = url.ActionContext.HttpContext.Request;
-            return new Uri(new Uri(request.Scheme + "://" + request.Host.Value), url.Content(contentPath)).ToString();
-        }
-
-        /// <summary>
-        /// Generates a fully qualified URL to the specified route by using the route name and route values.
-        /// </summary>
-        /// <param name="url">The URL helper.</param>
-        /// <param name="routeName">Name of the route.</param>
-        /// <param name="routeValues">The route values.</param>
-        /// <returns>The absolute URL.</returns>
-        public static string AbsoluteRouteUrl(
-            this IUrlHelper url,
-            string routeName,
-            object routeValues = null)
-        {
-            return url.RouteUrl(routeName, routeValues, url.ActionContext.HttpContext.Request.Scheme);
-        }
-    }
-}
diff --git a/samples/Demo/Migrations/20171228051742_Initial.Designer.cs b/samples/Demo/Migrations/20171228051742_Initial.Designer.cs
deleted file mode 100644
index 882a4d8..0000000
--- a/samples/Demo/Migrations/20171228051742_Initial.Designer.cs
+++ /dev/null
@@ -1,245 +0,0 @@
-// <auto-generated />
-using Demo.Data;
-using Microsoft.EntityFrameworkCore;
-using Microsoft.EntityFrameworkCore.Infrastructure;
-using Microsoft.EntityFrameworkCore.Metadata;
-using Microsoft.EntityFrameworkCore.Migrations;
-using Microsoft.EntityFrameworkCore.Storage;
-using Microsoft.EntityFrameworkCore.Storage.Internal;
-using System;
-
-namespace Demo.Migrations
-{
-    [DbContext(typeof(IdentityDbContext))]
-    [Migration("20171228051742_Initial")]
-    partial class Initial
-    {
-        protected override void BuildTargetModel(ModelBuilder modelBuilder)
-        {
-#pragma warning disable 612, 618
-            modelBuilder
-                .HasAnnotation("ProductVersion", "2.0.1-rtm-125");
-
-            modelBuilder.Entity("Demo.Models.AppUser", b =>
-                {
-                    b.Property<string>("Id")
-                        .ValueGeneratedOnAdd();
-
-                    b.Property<int>("AccessFailedCount");
-
-                    b.Property<string>("ConcurrencyStamp")
-                        .IsConcurrencyToken();
-
-                    b.Property<string>("Email")
-                        .HasMaxLength(256);
-
-                    b.Property<bool>("EmailConfirmed");
-
-                    b.Property<bool>("LockoutEnabled");
-
-                    b.Property<DateTimeOffset?>("LockoutEnd");
-
-                    b.Property<string>("NormalizedEmail")
-                        .HasMaxLength(256);
-
-                    b.Property<string>("NormalizedUserName")
-                        .HasMaxLength(256);
-
-                    b.Property<string>("PasswordHash");
-
-                    b.Property<string>("PhoneNumber");
-
-                    b.Property<bool>("PhoneNumberConfirmed");
-
-                    b.Property<string>("SecurityStamp");
-
-                    b.Property<bool>("TwoFactorEnabled");
-
-                    b.Property<string>("UserName")
-                        .HasMaxLength(256);
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("NormalizedEmail")
-                        .HasName("EmailIndex");
-
-                    b.HasIndex("NormalizedUserName")
-                        .IsUnique()
-                        .HasName("UserNameIndex");
-
-                    b.ToTable("AspNetUsers");
-                });
-
-            modelBuilder.Entity("Demo.Models.ReceivedTextMessage", b =>
-                {
-                    b.Property<string>("Id")
-                        .ValueGeneratedOnAdd();
-
-                    b.Property<string>("Content");
-
-                    b.Property<string>("From");
-
-                    b.Property<DateTimeOffset>("ReceivedTime");
-
-                    b.Property<string>("To");
-
-                    b.HasKey("Id");
-
-                    b.ToTable("ReceivedTextMessages");
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRole", b =>
-                {
-                    b.Property<string>("Id")
-                        .ValueGeneratedOnAdd();
-
-                    b.Property<string>("ConcurrencyStamp")
-                        .IsConcurrencyToken();
-
-                    b.Property<string>("Name")
-                        .HasMaxLength(256);
-
-                    b.Property<string>("NormalizedName")
-                        .HasMaxLength(256);
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("NormalizedName")
-                        .IsUnique()
-                        .HasName("RoleNameIndex");
-
-                    b.ToTable("AspNetRoles");
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRoleClaim<string>", b =>
-                {
-                    b.Property<int>("Id")
-                        .ValueGeneratedOnAdd();
-
-                    b.Property<string>("ClaimType");
-
-                    b.Property<string>("ClaimValue");
-
-                    b.Property<string>("RoleId")
-                        .IsRequired();
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("RoleId");
-
-                    b.ToTable("AspNetRoleClaims");
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserClaim<string>", b =>
-                {
-                    b.Property<int>("Id")
-                        .ValueGeneratedOnAdd();
-
-                    b.Property<string>("ClaimType");
-
-                    b.Property<string>("ClaimValue");
-
-                    b.Property<string>("UserId")
-                        .IsRequired();
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("UserId");
-
-                    b.ToTable("AspNetUserClaims");
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserLogin<string>", b =>
-                {
-                    b.Property<string>("LoginProvider");
-
-                    b.Property<string>("ProviderKey");
-
-                    b.Property<string>("ProviderDisplayName");
-
-                    b.Property<string>("UserId")
-                        .IsRequired();
-
-                    b.HasKey("LoginProvider", "ProviderKey");
-
-                    b.HasIndex("UserId");
-
-                    b.ToTable("AspNetUserLogins");
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserRole<string>", b =>
-                {
-                    b.Property<string>("UserId");
-
-                    b.Property<string>("RoleId");
-
-                    b.HasKey("UserId", "RoleId");
-
-                    b.HasIndex("RoleId");
-
-                    b.ToTable("AspNetUserRoles");
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserToken<string>", b =>
-                {
-                    b.Property<string>("UserId");
-
-                    b.Property<string>("LoginProvider");
-
-                    b.Property<string>("Name");
-
-                    b.Property<string>("Value");
-
-                    b.HasKey("UserId", "LoginProvider", "Name");
-
-                    b.ToTable("AspNetUserTokens");
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRoleClaim<string>", b =>
-                {
-                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityRole")
-                        .WithMany()
-                        .HasForeignKey("RoleId")
-                        .OnDelete(DeleteBehavior.Cascade);
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserClaim<string>", b =>
-                {
-                    b.HasOne("Demo.Models.AppUser")
-                        .WithMany()
-                        .HasForeignKey("UserId")
-                        .OnDelete(DeleteBehavior.Cascade);
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserLogin<string>", b =>
-                {
-                    b.HasOne("Demo.Models.AppUser")
-                        .WithMany()
-                        .HasForeignKey("UserId")
-                        .OnDelete(DeleteBehavior.Cascade);
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserRole<string>", b =>
-                {
-                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityRole")
-                        .WithMany()
-                        .HasForeignKey("RoleId")
-                        .OnDelete(DeleteBehavior.Cascade);
-
-                    b.HasOne("Demo.Models.AppUser")
-                        .WithMany()
-                        .HasForeignKey("UserId")
-                        .OnDelete(DeleteBehavior.Cascade);
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserToken<string>", b =>
-                {
-                    b.HasOne("Demo.Models.AppUser")
-                        .WithMany()
-                        .HasForeignKey("UserId")
-                        .OnDelete(DeleteBehavior.Cascade);
-                });
-#pragma warning restore 612, 618
-        }
-    }
-}
diff --git a/samples/Demo/Migrations/20171228051742_Initial.cs b/samples/Demo/Migrations/20171228051742_Initial.cs
deleted file mode 100644
index bdb1e48..0000000
--- a/samples/Demo/Migrations/20171228051742_Initial.cs
+++ /dev/null
@@ -1,236 +0,0 @@
-using Microsoft.EntityFrameworkCore.Migrations;
-using System;
-using System.Collections.Generic;
-
-namespace Demo.Migrations
-{
-    public partial class Initial : Migration
-    {
-        protected override void Up(MigrationBuilder migrationBuilder)
-        {
-            migrationBuilder.CreateTable(
-                name: "AspNetRoles",
-                columns: table => new
-                {
-                    Id = table.Column<string>(nullable: false),
-                    ConcurrencyStamp = table.Column<string>(nullable: true),
-                    Name = table.Column<string>(maxLength: 256, nullable: true),
-                    NormalizedName = table.Column<string>(maxLength: 256, nullable: true)
-                },
-                constraints: table =>
-                {
-                    table.PrimaryKey("PK_AspNetRoles", x => x.Id);
-                });
-
-            migrationBuilder.CreateTable(
-                name: "AspNetUsers",
-                columns: table => new
-                {
-                    Id = table.Column<string>(nullable: false),
-                    AccessFailedCount = table.Column<int>(nullable: false),
-                    ConcurrencyStamp = table.Column<string>(nullable: true),
-                    Email = table.Column<string>(maxLength: 256, nullable: true),
-                    EmailConfirmed = table.Column<bool>(nullable: false),
-                    LockoutEnabled = table.Column<bool>(nullable: false),
-                    LockoutEnd = table.Column<DateTimeOffset>(nullable: true),
-                    NormalizedEmail = table.Column<string>(maxLength: 256, nullable: true),
-                    NormalizedUserName = table.Column<string>(maxLength: 256, nullable: true),
-                    PasswordHash = table.Column<string>(nullable: true),
-                    PhoneNumber = table.Column<string>(nullable: true),
-                    PhoneNumberConfirmed = table.Column<bool>(nullable: false),
-                    SecurityStamp = table.Column<string>(nullable: true),
-                    TwoFactorEnabled = table.Column<bool>(nullable: false),
-                    UserName = table.Column<string>(maxLength: 256, nullable: true)
-                },
-                constraints: table =>
-                {
-                    table.PrimaryKey("PK_AspNetUsers", x => x.Id);
-                });
-
-            migrationBuilder.CreateTable(
-                name: "ReceivedTextMessages",
-                columns: table => new
-                {
-                    Id = table.Column<string>(nullable: false),
-                    Content = table.Column<string>(nullable: true),
-                    From = table.Column<string>(nullable: true),
-                    ReceivedTime = table.Column<DateTimeOffset>(nullable: false),
-                    To = table.Column<string>(nullable: true)
-                },
-                constraints: table =>
-                {
-                    table.PrimaryKey("PK_ReceivedTextMessages", x => x.Id);
-                });
-
-            migrationBuilder.CreateTable(
-                name: "AspNetRoleClaims",
-                columns: table => new
-                {
-                    Id = table.Column<int>(nullable: false)
-                        .Annotation("Sqlite:Autoincrement", true),
-                    ClaimType = table.Column<string>(nullable: true),
-                    ClaimValue = table.Column<string>(nullable: true),
-                    RoleId = table.Column<string>(nullable: false)
-                },
-                constraints: table =>
-                {
-                    table.PrimaryKey("PK_AspNetRoleClaims", x => x.Id);
-                    table.ForeignKey(
-                        name: "FK_AspNetRoleClaims_AspNetRoles_RoleId",
-                        column: x => x.RoleId,
-                        principalTable: "AspNetRoles",
-                        principalColumn: "Id",
-                        onDelete: ReferentialAction.Cascade);
-                });
-
-            migrationBuilder.CreateTable(
-                name: "AspNetUserClaims",
-                columns: table => new
-                {
-                    Id = table.Column<int>(nullable: false)
-                        .Annotation("Sqlite:Autoincrement", true),
-                    ClaimType = table.Column<string>(nullable: true),
-                    ClaimValue = table.Column<string>(nullable: true),
-                    UserId = table.Column<string>(nullable: false)
-                },
-                constraints: table =>
-                {
-                    table.PrimaryKey("PK_AspNetUserClaims", x => x.Id);
-                    table.ForeignKey(
-                        name: "FK_AspNetUserClaims_AspNetUsers_UserId",
-                        column: x => x.UserId,
-                        principalTable: "AspNetUsers",
-                        principalColumn: "Id",
-                        onDelete: ReferentialAction.Cascade);
-                });
-
-            migrationBuilder.CreateTable(
-                name: "AspNetUserLogins",
-                columns: table => new
-                {
-                    LoginProvider = table.Column<string>(nullable: false),
-                    ProviderKey = table.Column<string>(nullable: false),
-                    ProviderDisplayName = table.Column<string>(nullable: true),
-                    UserId = table.Column<string>(nullable: false)
-                },
-                constraints: table =>
-                {
-                    table.PrimaryKey("PK_AspNetUserLogins", x => new { x.LoginProvider, x.ProviderKey });
-                    table.ForeignKey(
-                        name: "FK_AspNetUserLogins_AspNetUsers_UserId",
-                        column: x => x.UserId,
-                        principalTable: "AspNetUsers",
-                        principalColumn: "Id",
-                        onDelete: ReferentialAction.Cascade);
-                });
-
-            migrationBuilder.CreateTable(
-                name: "AspNetUserRoles",
-                columns: table => new
-                {
-                    UserId = table.Column<string>(nullable: false),
-                    RoleId = table.Column<string>(nullable: false)
-                },
-                constraints: table =>
-                {
-                    table.PrimaryKey("PK_AspNetUserRoles", x => new { x.UserId, x.RoleId });
-                    table.ForeignKey(
-                        name: "FK_AspNetUserRoles_AspNetRoles_RoleId",
-                        column: x => x.RoleId,
-                        principalTable: "AspNetRoles",
-                        principalColumn: "Id",
-                        onDelete: ReferentialAction.Cascade);
-                    table.ForeignKey(
-                        name: "FK_AspNetUserRoles_AspNetUsers_UserId",
-                        column: x => x.UserId,
-                        principalTable: "AspNetUsers",
-                        principalColumn: "Id",
-                        onDelete: ReferentialAction.Cascade);
-                });
-
-            migrationBuilder.CreateTable(
-                name: "AspNetUserTokens",
-                columns: table => new
-                {
-                    UserId = table.Column<string>(nullable: false),
-                    LoginProvider = table.Column<string>(nullable: false),
-                    Name = table.Column<string>(nullable: false),
-                    Value = table.Column<string>(nullable: true)
-                },
-                constraints: table =>
-                {
-                    table.PrimaryKey("PK_AspNetUserTokens", x => new { x.UserId, x.LoginProvider, x.Name });
-                    table.ForeignKey(
-                        name: "FK_AspNetUserTokens_AspNetUsers_UserId",
-                        column: x => x.UserId,
-                        principalTable: "AspNetUsers",
-                        principalColumn: "Id",
-                        onDelete: ReferentialAction.Cascade);
-                });
-
-            migrationBuilder.CreateIndex(
-                name: "IX_AspNetRoleClaims_RoleId",
-                table: "AspNetRoleClaims",
-                column: "RoleId");
-
-            migrationBuilder.CreateIndex(
-                name: "RoleNameIndex",
-                table: "AspNetRoles",
-                column: "NormalizedName",
-                unique: true);
-
-            migrationBuilder.CreateIndex(
-                name: "IX_AspNetUserClaims_UserId",
-                table: "AspNetUserClaims",
-                column: "UserId");
-
-            migrationBuilder.CreateIndex(
-                name: "IX_AspNetUserLogins_UserId",
-                table: "AspNetUserLogins",
-                column: "UserId");
-
-            migrationBuilder.CreateIndex(
-                name: "IX_AspNetUserRoles_RoleId",
-                table: "AspNetUserRoles",
-                column: "RoleId");
-
-            migrationBuilder.CreateIndex(
-                name: "EmailIndex",
-                table: "AspNetUsers",
-                column: "NormalizedEmail");
-
-            migrationBuilder.CreateIndex(
-                name: "UserNameIndex",
-                table: "AspNetUsers",
-                column: "NormalizedUserName",
-                unique: true);
-        }
-
-        protected override void Down(MigrationBuilder migrationBuilder)
-        {
-            migrationBuilder.DropTable(
-                name: "AspNetRoleClaims");
-
-            migrationBuilder.DropTable(
-                name: "AspNetUserClaims");
-
-            migrationBuilder.DropTable(
-                name: "AspNetUserLogins");
-
-            migrationBuilder.DropTable(
-                name: "AspNetUserRoles");
-
-            migrationBuilder.DropTable(
-                name: "AspNetUserTokens");
-
-            migrationBuilder.DropTable(
-                name: "ReceivedTextMessages");
-
-            migrationBuilder.DropTable(
-                name: "AspNetRoles");
-
-            migrationBuilder.DropTable(
-                name: "AspNetUsers");
-        }
-    }
-}
diff --git a/samples/Demo/Migrations/20190320025437_CleanIdentityDb.Designer.cs b/samples/Demo/Migrations/20190320025437_CleanIdentityDb.Designer.cs
deleted file mode 100644
index 9dab8bc..0000000
--- a/samples/Demo/Migrations/20190320025437_CleanIdentityDb.Designer.cs
+++ /dev/null
@@ -1,225 +0,0 @@
-// <auto-generated />
-using System;
-using Demo.Data;
-using Microsoft.EntityFrameworkCore;
-using Microsoft.EntityFrameworkCore.Infrastructure;
-using Microsoft.EntityFrameworkCore.Migrations;
-using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
-
-namespace Demo.Migrations
-{
-    [DbContext(typeof(IdentityDbContext))]
-    [Migration("20190320025437_CleanIdentityDb")]
-    partial class CleanIdentityDb
-    {
-        protected override void BuildTargetModel(ModelBuilder modelBuilder)
-        {
-#pragma warning disable 612, 618
-            modelBuilder
-                .HasAnnotation("ProductVersion", "2.1.8-servicing-32085");
-
-            modelBuilder.Entity("Demo.Models.AppUser", b =>
-                {
-                    b.Property<string>("Id")
-                        .ValueGeneratedOnAdd();
-
-                    b.Property<int>("AccessFailedCount");
-
-                    b.Property<string>("ConcurrencyStamp")
-                        .IsConcurrencyToken();
-
-                    b.Property<string>("Email")
-                        .HasMaxLength(256);
-
-                    b.Property<bool>("EmailConfirmed");
-
-                    b.Property<bool>("LockoutEnabled");
-
-                    b.Property<DateTimeOffset?>("LockoutEnd");
-
-                    b.Property<string>("NormalizedEmail")
-                        .HasMaxLength(256);
-
-                    b.Property<string>("NormalizedUserName")
-                        .HasMaxLength(256);
-
-                    b.Property<string>("PasswordHash");
-
-                    b.Property<string>("PhoneNumber");
-
-                    b.Property<bool>("PhoneNumberConfirmed");
-
-                    b.Property<string>("SecurityStamp");
-
-                    b.Property<bool>("TwoFactorEnabled");
-
-                    b.Property<string>("UserName")
-                        .HasMaxLength(256);
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("NormalizedEmail")
-                        .HasName("EmailIndex");
-
-                    b.HasIndex("NormalizedUserName")
-                        .IsUnique()
-                        .HasName("UserNameIndex");
-
-                    b.ToTable("AspNetUsers");
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRole", b =>
-                {
-                    b.Property<string>("Id")
-                        .ValueGeneratedOnAdd();
-
-                    b.Property<string>("ConcurrencyStamp")
-                        .IsConcurrencyToken();
-
-                    b.Property<string>("Name")
-                        .HasMaxLength(256);
-
-                    b.Property<string>("NormalizedName")
-                        .HasMaxLength(256);
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("NormalizedName")
-                        .IsUnique()
-                        .HasName("RoleNameIndex");
-
-                    b.ToTable("AspNetRoles");
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRoleClaim<string>", b =>
-                {
-                    b.Property<int>("Id")
-                        .ValueGeneratedOnAdd();
-
-                    b.Property<string>("ClaimType");
-
-                    b.Property<string>("ClaimValue");
-
-                    b.Property<string>("RoleId")
-                        .IsRequired();
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("RoleId");
-
-                    b.ToTable("AspNetRoleClaims");
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserClaim<string>", b =>
-                {
-                    b.Property<int>("Id")
-                        .ValueGeneratedOnAdd();
-
-                    b.Property<string>("ClaimType");
-
-                    b.Property<string>("ClaimValue");
-
-                    b.Property<string>("UserId")
-                        .IsRequired();
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("UserId");
-
-                    b.ToTable("AspNetUserClaims");
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserLogin<string>", b =>
-                {
-                    b.Property<string>("LoginProvider");
-
-                    b.Property<string>("ProviderKey");
-
-                    b.Property<string>("ProviderDisplayName");
-
-                    b.Property<string>("UserId")
-                        .IsRequired();
-
-                    b.HasKey("LoginProvider", "ProviderKey");
-
-                    b.HasIndex("UserId");
-
-                    b.ToTable("AspNetUserLogins");
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserRole<string>", b =>
-                {
-                    b.Property<string>("UserId");
-
-                    b.Property<string>("RoleId");
-
-                    b.HasKey("UserId", "RoleId");
-
-                    b.HasIndex("RoleId");
-
-                    b.ToTable("AspNetUserRoles");
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserToken<string>", b =>
-                {
-                    b.Property<string>("UserId");
-
-                    b.Property<string>("LoginProvider");
-
-                    b.Property<string>("Name");
-
-                    b.Property<string>("Value");
-
-                    b.HasKey("UserId", "LoginProvider", "Name");
-
-                    b.ToTable("AspNetUserTokens");
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRoleClaim<string>", b =>
-                {
-                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityRole")
-                        .WithMany()
-                        .HasForeignKey("RoleId")
-                        .OnDelete(DeleteBehavior.Cascade);
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserClaim<string>", b =>
-                {
-                    b.HasOne("Demo.Models.AppUser")
-                        .WithMany()
-                        .HasForeignKey("UserId")
-                        .OnDelete(DeleteBehavior.Cascade);
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserLogin<string>", b =>
-                {
-                    b.HasOne("Demo.Models.AppUser")
-                        .WithMany()
-                        .HasForeignKey("UserId")
-                        .OnDelete(DeleteBehavior.Cascade);
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserRole<string>", b =>
-                {
-                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityRole")
-                        .WithMany()
-                        .HasForeignKey("RoleId")
-                        .OnDelete(DeleteBehavior.Cascade);
-
-                    b.HasOne("Demo.Models.AppUser")
-                        .WithMany()
-                        .HasForeignKey("UserId")
-                        .OnDelete(DeleteBehavior.Cascade);
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserToken<string>", b =>
-                {
-                    b.HasOne("Demo.Models.AppUser")
-                        .WithMany()
-                        .HasForeignKey("UserId")
-                        .OnDelete(DeleteBehavior.Cascade);
-                });
-#pragma warning restore 612, 618
-        }
-    }
-}
diff --git a/samples/Demo/Migrations/20190320025437_CleanIdentityDb.cs b/samples/Demo/Migrations/20190320025437_CleanIdentityDb.cs
deleted file mode 100644
index 14dc859..0000000
--- a/samples/Demo/Migrations/20190320025437_CleanIdentityDb.cs
+++ /dev/null
@@ -1,32 +0,0 @@
-using System;
-using Microsoft.EntityFrameworkCore.Migrations;
-
-namespace Demo.Migrations
-{
-    public partial class CleanIdentityDb : Migration
-    {
-        protected override void Up(MigrationBuilder migrationBuilder)
-        {
-            migrationBuilder.DropTable(
-                name: "ReceivedTextMessages");
-        }
-
-        protected override void Down(MigrationBuilder migrationBuilder)
-        {
-            migrationBuilder.CreateTable(
-                name: "ReceivedTextMessages",
-                columns: table => new
-                {
-                    Id = table.Column<string>(nullable: false),
-                    Content = table.Column<string>(nullable: true),
-                    From = table.Column<string>(nullable: true),
-                    ReceivedTime = table.Column<DateTimeOffset>(nullable: false),
-                    To = table.Column<string>(nullable: true)
-                },
-                constraints: table =>
-                {
-                    table.PrimaryKey("PK_ReceivedTextMessages", x => x.Id);
-                });
-        }
-    }
-}
diff --git a/samples/Demo/Migrations/AppDbContextModelSnapshot.cs b/samples/Demo/Migrations/AppDbContextModelSnapshot.cs
deleted file mode 100644
index 6533086..0000000
--- a/samples/Demo/Migrations/AppDbContextModelSnapshot.cs
+++ /dev/null
@@ -1,223 +0,0 @@
-// <auto-generated />
-using System;
-using Demo.Data;
-using Microsoft.EntityFrameworkCore;
-using Microsoft.EntityFrameworkCore.Infrastructure;
-using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
-
-namespace Demo.Migrations
-{
-    [DbContext(typeof(IdentityDbContext))]
-    partial class AppDbContextModelSnapshot : ModelSnapshot
-    {
-        protected override void BuildModel(ModelBuilder modelBuilder)
-        {
-#pragma warning disable 612, 618
-            modelBuilder
-                .HasAnnotation("ProductVersion", "2.1.8-servicing-32085");
-
-            modelBuilder.Entity("Demo.Models.AppUser", b =>
-                {
-                    b.Property<string>("Id")
-                        .ValueGeneratedOnAdd();
-
-                    b.Property<int>("AccessFailedCount");
-
-                    b.Property<string>("ConcurrencyStamp")
-                        .IsConcurrencyToken();
-
-                    b.Property<string>("Email")
-                        .HasMaxLength(256);
-
-                    b.Property<bool>("EmailConfirmed");
-
-                    b.Property<bool>("LockoutEnabled");
-
-                    b.Property<DateTimeOffset?>("LockoutEnd");
-
-                    b.Property<string>("NormalizedEmail")
-                        .HasMaxLength(256);
-
-                    b.Property<string>("NormalizedUserName")
-                        .HasMaxLength(256);
-
-                    b.Property<string>("PasswordHash");
-
-                    b.Property<string>("PhoneNumber");
-
-                    b.Property<bool>("PhoneNumberConfirmed");
-
-                    b.Property<string>("SecurityStamp");
-
-                    b.Property<bool>("TwoFactorEnabled");
-
-                    b.Property<string>("UserName")
-                        .HasMaxLength(256);
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("NormalizedEmail")
-                        .HasName("EmailIndex");
-
-                    b.HasIndex("NormalizedUserName")
-                        .IsUnique()
-                        .HasName("UserNameIndex");
-
-                    b.ToTable("AspNetUsers");
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRole", b =>
-                {
-                    b.Property<string>("Id")
-                        .ValueGeneratedOnAdd();
-
-                    b.Property<string>("ConcurrencyStamp")
-                        .IsConcurrencyToken();
-
-                    b.Property<string>("Name")
-                        .HasMaxLength(256);
-
-                    b.Property<string>("NormalizedName")
-                        .HasMaxLength(256);
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("NormalizedName")
-                        .IsUnique()
-                        .HasName("RoleNameIndex");
-
-                    b.ToTable("AspNetRoles");
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRoleClaim<string>", b =>
-                {
-                    b.Property<int>("Id")
-                        .ValueGeneratedOnAdd();
-
-                    b.Property<string>("ClaimType");
-
-                    b.Property<string>("ClaimValue");
-
-                    b.Property<string>("RoleId")
-                        .IsRequired();
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("RoleId");
-
-                    b.ToTable("AspNetRoleClaims");
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserClaim<string>", b =>
-                {
-                    b.Property<int>("Id")
-                        .ValueGeneratedOnAdd();
-
-                    b.Property<string>("ClaimType");
-
-                    b.Property<string>("ClaimValue");
-
-                    b.Property<string>("UserId")
-                        .IsRequired();
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("UserId");
-
-                    b.ToTable("AspNetUserClaims");
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserLogin<string>", b =>
-                {
-                    b.Property<string>("LoginProvider");
-
-                    b.Property<string>("ProviderKey");
-
-                    b.Property<string>("ProviderDisplayName");
-
-                    b.Property<string>("UserId")
-                        .IsRequired();
-
-                    b.HasKey("LoginProvider", "ProviderKey");
-
-                    b.HasIndex("UserId");
-
-                    b.ToTable("AspNetUserLogins");
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserRole<string>", b =>
-                {
-                    b.Property<string>("UserId");
-
-                    b.Property<string>("RoleId");
-
-                    b.HasKey("UserId", "RoleId");
-
-                    b.HasIndex("RoleId");
-
-                    b.ToTable("AspNetUserRoles");
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserToken<string>", b =>
-                {
-                    b.Property<string>("UserId");
-
-                    b.Property<string>("LoginProvider");
-
-                    b.Property<string>("Name");
-
-                    b.Property<string>("Value");
-
-                    b.HasKey("UserId", "LoginProvider", "Name");
-
-                    b.ToTable("AspNetUserTokens");
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityRoleClaim<string>", b =>
-                {
-                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityRole")
-                        .WithMany()
-                        .HasForeignKey("RoleId")
-                        .OnDelete(DeleteBehavior.Cascade);
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserClaim<string>", b =>
-                {
-                    b.HasOne("Demo.Models.AppUser")
-                        .WithMany()
-                        .HasForeignKey("UserId")
-                        .OnDelete(DeleteBehavior.Cascade);
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserLogin<string>", b =>
-                {
-                    b.HasOne("Demo.Models.AppUser")
-                        .WithMany()
-                        .HasForeignKey("UserId")
-                        .OnDelete(DeleteBehavior.Cascade);
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserRole<string>", b =>
-                {
-                    b.HasOne("Microsoft.AspNetCore.Identity.IdentityRole")
-                        .WithMany()
-                        .HasForeignKey("RoleId")
-                        .OnDelete(DeleteBehavior.Cascade);
-
-                    b.HasOne("Demo.Models.AppUser")
-                        .WithMany()
-                        .HasForeignKey("UserId")
-                        .OnDelete(DeleteBehavior.Cascade);
-                });
-
-            modelBuilder.Entity("Microsoft.AspNetCore.Identity.IdentityUserToken<string>", b =>
-                {
-                    b.HasOne("Demo.Models.AppUser")
-                        .WithMany()
-                        .HasForeignKey("UserId")
-                        .OnDelete(DeleteBehavior.Cascade);
-                });
-#pragma warning restore 612, 618
-        }
-    }
-}
diff --git a/samples/Demo/Migrations/WeixinDb/20190320025259_AddWeixinSubscribers.Designer.cs b/samples/Demo/Migrations/WeixinDb/20190320025259_AddWeixinSubscribers.Designer.cs
deleted file mode 100644
index a53bea6..0000000
--- a/samples/Demo/Migrations/WeixinDb/20190320025259_AddWeixinSubscribers.Designer.cs
+++ /dev/null
@@ -1,59 +0,0 @@
-// <auto-generated />
-using System;
-using Demo.Data;
-using Microsoft.EntityFrameworkCore;
-using Microsoft.EntityFrameworkCore.Infrastructure;
-using Microsoft.EntityFrameworkCore.Migrations;
-using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
-
-namespace Demo.Migrations.WeixinDb
-{
-    [DbContext(typeof(WeixinDbContext))]
-    [Migration("20190320025259_AddWeixinSubscribers")]
-    partial class AddWeixinSubscribers
-    {
-        protected override void BuildTargetModel(ModelBuilder modelBuilder)
-        {
-#pragma warning disable 612, 618
-            modelBuilder
-                .HasAnnotation("ProductVersion", "2.1.8-servicing-32085");
-
-            modelBuilder.Entity("Demo.Models.ReceivedTextMessage", b =>
-                {
-                    b.Property<string>("Id")
-                        .ValueGeneratedOnAdd();
-
-                    b.Property<string>("Content");
-
-                    b.Property<string>("From");
-
-                    b.Property<DateTimeOffset>("ReceivedTime");
-
-                    b.Property<string>("To");
-
-                    b.HasKey("Id");
-
-                    b.ToTable("ReceivedTextMessages");
-                });
-
-            modelBuilder.Entity("Demo.Models.WeixinSubscriber", b =>
-                {
-                    b.Property<string>("Id")
-                        .ValueGeneratedOnAdd();
-
-                    b.Property<string>("AvatorImage");
-
-                    b.Property<string>("Gender");
-
-                    b.Property<string>("NickName");
-
-                    b.Property<string>("OpenId");
-
-                    b.HasKey("Id");
-
-                    b.ToTable("Subscribers");
-                });
-#pragma warning restore 612, 618
-        }
-    }
-}
diff --git a/samples/Demo/Migrations/WeixinDb/20190320025259_AddWeixinSubscribers.cs b/samples/Demo/Migrations/WeixinDb/20190320025259_AddWeixinSubscribers.cs
deleted file mode 100644
index c5563d3..0000000
--- a/samples/Demo/Migrations/WeixinDb/20190320025259_AddWeixinSubscribers.cs
+++ /dev/null
@@ -1,50 +0,0 @@
-using System;
-using Microsoft.EntityFrameworkCore.Migrations;
-
-namespace Demo.Migrations.WeixinDb
-{
-    public partial class AddWeixinSubscribers : Migration
-    {
-        protected override void Up(MigrationBuilder migrationBuilder)
-        {
-            migrationBuilder.CreateTable(
-                name: "ReceivedTextMessages",
-                columns: table => new
-                {
-                    Id = table.Column<string>(nullable: false),
-                    From = table.Column<string>(nullable: true),
-                    To = table.Column<string>(nullable: true),
-                    ReceivedTime = table.Column<DateTimeOffset>(nullable: false),
-                    Content = table.Column<string>(nullable: true)
-                },
-                constraints: table =>
-                {
-                    table.PrimaryKey("PK_ReceivedTextMessages", x => x.Id);
-                });
-
-            migrationBuilder.CreateTable(
-                name: "Subscribers",
-                columns: table => new
-                {
-                    Id = table.Column<string>(nullable: false),
-                    OpenId = table.Column<string>(nullable: true),
-                    Gender = table.Column<string>(nullable: true),
-                    NickName = table.Column<string>(nullable: true),
-                    AvatorImage = table.Column<string>(nullable: true)
-                },
-                constraints: table =>
-                {
-                    table.PrimaryKey("PK_Subscribers", x => x.Id);
-                });
-        }
-
-        protected override void Down(MigrationBuilder migrationBuilder)
-        {
-            migrationBuilder.DropTable(
-                name: "ReceivedTextMessages");
-
-            migrationBuilder.DropTable(
-                name: "Subscribers");
-        }
-    }
-}
diff --git a/samples/Demo/Migrations/WeixinDb/WeixinDbContextModelSnapshot.cs b/samples/Demo/Migrations/WeixinDb/WeixinDbContextModelSnapshot.cs
deleted file mode 100644
index b3c0849..0000000
--- a/samples/Demo/Migrations/WeixinDb/WeixinDbContextModelSnapshot.cs
+++ /dev/null
@@ -1,57 +0,0 @@
-// <auto-generated />
-using System;
-using Demo.Data;
-using Microsoft.EntityFrameworkCore;
-using Microsoft.EntityFrameworkCore.Infrastructure;
-using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
-
-namespace Demo.Migrations.WeixinDb
-{
-    [DbContext(typeof(WeixinDbContext))]
-    partial class WeixinDbContextModelSnapshot : ModelSnapshot
-    {
-        protected override void BuildModel(ModelBuilder modelBuilder)
-        {
-#pragma warning disable 612, 618
-            modelBuilder
-                .HasAnnotation("ProductVersion", "2.1.8-servicing-32085");
-
-            modelBuilder.Entity("Demo.Models.ReceivedTextMessage", b =>
-                {
-                    b.Property<string>("Id")
-                        .ValueGeneratedOnAdd();
-
-                    b.Property<string>("Content");
-
-                    b.Property<string>("From");
-
-                    b.Property<DateTimeOffset>("ReceivedTime");
-
-                    b.Property<string>("To");
-
-                    b.HasKey("Id");
-
-                    b.ToTable("ReceivedTextMessages");
-                });
-
-            modelBuilder.Entity("Demo.Models.WeixinSubscriber", b =>
-                {
-                    b.Property<string>("Id")
-                        .ValueGeneratedOnAdd();
-
-                    b.Property<string>("AvatorImage");
-
-                    b.Property<string>("Gender");
-
-                    b.Property<string>("NickName");
-
-                    b.Property<string>("OpenId");
-
-                    b.HasKey("Id");
-
-                    b.ToTable("Subscribers");
-                });
-#pragma warning restore 612, 618
-        }
-    }
-}
diff --git a/samples/Demo/Models/Home/IndexViewModel.cs b/samples/Demo/Models/Home/IndexViewModel.cs
deleted file mode 100644
index 265068a..0000000
--- a/samples/Demo/Models/Home/IndexViewModel.cs
+++ /dev/null
@@ -1,13 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading.Tasks;
-
-namespace Demo.Models.Home
-{
-	public class IndexViewModel
-	{
-		public int SubscriberCount { get; set; }
-		public int ReceivedTextCount { get; set; }
-	}
-}
diff --git a/samples/Demo/Models/Home/SendWeixinViewModel.cs b/samples/Demo/Models/Home/SendWeixinViewModel.cs
deleted file mode 100644
index ea91072..0000000
--- a/samples/Demo/Models/Home/SendWeixinViewModel.cs
+++ /dev/null
@@ -1,19 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.ComponentModel.DataAnnotations;
-using System.Linq;
-using System.Threading.Tasks;
-
-namespace Demo.Models
-{
-    public class SendWeixinViewModel
-    {
-        public IList<Entities.ReceivedTextMessage> Received { get; set; }
-
-        [Required]
-        public string OpenId { get; set; }
-        
-        [Required]
-        public string Content { get; set; }
-    }
-}
diff --git a/samples/Demo/Models/Weixin/JweixinViewModel.cs b/samples/Demo/Models/Weixin/JweixinViewModel.cs
deleted file mode 100644
index e04e5fe..0000000
--- a/samples/Demo/Models/Weixin/JweixinViewModel.cs
+++ /dev/null
@@ -1,13 +0,0 @@
-using AspNetCore.Weixin;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading.Tasks;
-
-namespace Demo.Models
-{
-    public class JweixinViewModel
-    {
-        public string ConfigJson { get; set; }
-    }
-}
diff --git a/samples/Demo/Models/Weixin/ShareJweixinViewModel.cs b/samples/Demo/Models/Weixin/ShareJweixinViewModel.cs
deleted file mode 100644
index 03c2c81..0000000
--- a/samples/Demo/Models/Weixin/ShareJweixinViewModel.cs
+++ /dev/null
@@ -1,15 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading.Tasks;
-
-namespace Demo.Models
-{
-    public class ShareJweixinViewModel : JweixinViewModel
-    {
-        public string Url { get; set; }
-        public string Title { get; set; }
-        public string Description { get; set; }
-        public string ImgUrl { get; set; }
-    }
-}
diff --git a/samples/Demo/Models/Weixin/WeixinJsonViewModel.cs b/samples/Demo/Models/Weixin/WeixinJsonViewModel.cs
deleted file mode 100644
index f581587..0000000
--- a/samples/Demo/Models/Weixin/WeixinJsonViewModel.cs
+++ /dev/null
@@ -1,19 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.ComponentModel.DataAnnotations;
-using System.Linq;
-using System.Threading.Tasks;
-
-namespace Demo.Models
-{
-
-    public class WeixinJsonViewModel
-    {
-        public string AppId { get; set; }
-
-        public string Token { get; set; }
-
-        [MaxLength(102400)]
-        public string Json { get; set; }
-    }
-}
diff --git a/samples/Demo/Program.cs b/samples/Demo/Program.cs
deleted file mode 100644
index 737f2b1..0000000
--- a/samples/Demo/Program.cs
+++ /dev/null
@@ -1,60 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Linq;
-using System.Threading.Tasks;
-using Demo.Data;
-using Microsoft.AspNetCore;
-using Microsoft.AspNetCore.Hosting;
-using Microsoft.Extensions.Configuration;
-using Microsoft.Extensions.Logging;
-
-namespace Demo
-{
-    public class Program
-    {
-        public static void Main(string[] args)
-        {
-            BuildWebHost(args)
-                .MigrateDatabase()
-                .SeedDatabase()
-                .Run();
-        }
-
-        public static IWebHost BuildWebHost(string[] args) =>
-            WebHost.CreateDefaultBuilder(args)
-                .ConfigureAppConfiguration(ConfigureAppConfiguration)
-                .ConfigureLogging(ConfigureLogging)
-                .UseStartup<Startup>()
-                .Build();
-
-        private static void ConfigureAppConfiguration(WebHostBuilderContext hostingContext, IConfigurationBuilder config)
-        {
-            var env = hostingContext.HostingEnvironment;
-            var environmentName = env.EnvironmentName;
-
-            //1。使用默认配置文件。源码可见。通常直接在字段中填写配置说明。
-            //2。使用secret.json。通常，不论是在开发者个人机，测试服务器，还是正式部署的服务器上，应当使用此配置文件。
-            //3。在数据库开发者的个人机上，通常需要在Development和Production两种模式中频繁切换，此时我们可以创建x.Development.json来替换secret.json中的配置。
-            //4。除了Development具有替换secret.json的能力，其他Environment也可能需要这种替换能力。
-            config.SetBasePath(Directory.GetCurrentDirectory())
-                //.SetBasePath(AppContext.BaseDirectory)
-                .AddJsonFile("appsettings.json", optional: false, reloadOnChange: false)
-                .AddUserSecrets<Startup>()
-                .AddJsonFile($"appsettings.{environmentName}.json", optional: true, reloadOnChange: true);
-        }
-
-        private static void ConfigureLogging(WebHostBuilderContext hostingContext, ILoggingBuilder logging)
-        {
-            logging.AddConfiguration(hostingContext.Configuration.GetSection("Logging"));
-            logging.AddConsole();
-            logging.AddDebug();
-        }
-
-        private static void DefaultServiceProvider(WebHostBuilderContext hostingContext, Microsoft.Extensions.DependencyInjection.ServiceProviderOptions options)
-        {
-            // To detect: InvalidOperationException: Cannot consume scoped service 'Ruhu.AppDbContext' from singleton 'Microsoft.AspNetCore.Authorization.IAuthorizationHandler'.
-            options.ValidateScopes = hostingContext.HostingEnvironment.IsDevelopment();
-        }
-    }
-}
diff --git a/samples/Demo/Properties/launchSettings.json b/samples/Demo/Properties/launchSettings.json
deleted file mode 100644
index cfb34d0..0000000
--- a/samples/Demo/Properties/launchSettings.json
+++ /dev/null
@@ -1,26 +0,0 @@
-{
-  "iisSettings": {
-    "windowsAuthentication": false,
-    "anonymousAuthentication": true,
-    "iisExpress": {
-      "applicationUrl": "http://localhost:6606",
-      "sslPort": 0
-    }
-  },
-  "profiles": {
-    "Development": {
-      "commandName": "Project",
-      "launchBrowser": true,
-      "environmentVariables": {
-        "ASPNETCORE_ENVIRONMENT": "Development"
-      }
-    },
-    "Production": {
-      "commandName": "Project",
-      "launchBrowser": true,
-      "environmentVariables": {
-        "ASPNETCORE_ENVIRONMENT": "Production"
-      }
-    }
-  }
-}
\ No newline at end of file
diff --git a/samples/Demo/Startup.cs b/samples/Demo/Startup.cs
deleted file mode 100644
index 83c0e2a..0000000
--- a/samples/Demo/Startup.cs
+++ /dev/null
@@ -1,165 +0,0 @@
-using Myvas.AspNetCore.TencentSms;
-using AspNetCore.Weixin;
-using Demo.Applications;
-using Demo.Data;
-using Demo.Entities;
-using Microsoft.AspNetCore.Builder;
-using Microsoft.AspNetCore.Hosting;
-using Microsoft.AspNetCore.Identity;
-using Microsoft.EntityFrameworkCore;
-using Microsoft.Extensions.Configuration;
-using Microsoft.Extensions.DependencyInjection;
-using Microsoft.AspNetCore.Http;
-using System;
-
-namespace Demo
-{
-	public class Startup
-	{
-		public IConfiguration Configuration { get; }
-
-		public Startup(IConfiguration configuration)
-		{
-			Configuration = configuration;
-		}
-
-		// This method gets called by the runtime. Use this method to add services to the container.
-		public void ConfigureServices(IServiceCollection services)
-		{
-			services.Configure<CookiePolicyOptions>(options =>
-			{
-				// This lambda determines whether user consent for non-essential cookies is needed for a given request.
-				options.CheckConsentNeeded = context => true;
-				options.MinimumSameSitePolicy = SameSiteMode.None;
-			});
-
-			services.AddDbContext<IdentityDbContext>(options => options.UseSqlite(Configuration.GetConnectionString("DefaultConnection")));
-			services.AddDbContext<WeixinDbContext>(options => options.UseSqlite(Configuration.GetConnectionString("DefaultConnection")));
-
-			services.Configure<IdentityOptions>(options =>
-			{
-				options.Password = new PasswordOptions
-				{
-					RequireLowercase = false,
-					RequireUppercase = false,
-					RequireNonAlphanumeric = false,
-					RequireDigit = false
-				};
-				options.User.RequireUniqueEmail = false;
-				options.SignIn.RequireConfirmedEmail = false;
-
-				options.SignIn.RequireConfirmedPhoneNumber = true;
-			});
-			services.ConfigureApplicationCookie(options =>
-			{
-				// Cookie settings
-				options.Cookie.HttpOnly = true;
-				options.Cookie.Expiration = TimeSpan.FromDays(150);
-				// If the LoginPath isn't set, ASP.NET Core defaults 
-				// the path to /Account/Login.
-				options.LoginPath = "/Account/Login";
-				options.LogoutPath = "/Account/LogOff";
-				// If the AccessDeniedPath isn't set, ASP.NET Core defaults 
-				// the path to /Account/AccessDenied.
-				options.AccessDeniedPath = "/Account/AccessDenied";
-				options.SlidingExpiration = true;
-			});
-			services.AddIdentity<AppUser, IdentityRole>()
-				.AddEntityFrameworkStores<IdentityDbContext>()
-				.AddUserManager<AppUserManager>()
-				.AddSignInManager<SignInManager<AppUser>>()
-				.AddDefaultTokenProviders()
-                .AddDefaultUI();
-			services.AddAuthentication()
-				.AddWeixinOpen(options =>
-				{
-					options.AppId = Configuration["WeixinOpen:AppId"];
-					options.AppSecret = Configuration["WeixinOpen:AppSecret"];
-				})
-				.AddWeixinAuth(options =>
-				{
-					options.AppId = Configuration["WeixinAuth:AppId"];
-					options.AppSecret = Configuration["WeixinAuth:AppSecret"];
-				});
-			services.AddTencentSms(options =>
-			{
-				options.SdkAppId = Configuration["QcloudSms:SdkAppId"];
-				options.AppKey = Configuration["QcloudSms:AppKey"];
-			});
-			services.AddViewDivert();
-
-			services.AddWeixinAccessToken(options =>
-			{
-				options.AppId = Configuration["Weixin:AppId"];
-				options.AppSecret = Configuration["Weixin:AppSecret"];
-			});
-			services.AddWeixinJssdk(options =>
-			{
-				options.AppId = Configuration["Weixin:AppId"];
-			});
-			services.AddScoped<IWeixinEventSink, WeixinEventSink>();
-			var weixinEventSink = services.BuildServiceProvider().GetRequiredService<IWeixinEventSink>();
-			services.AddWeixinWelcomePage(options =>
-			{
-				options.AppId = Configuration["Weixin:AppId"];
-				options.AppSecret = Configuration["Weixin:AppSecret"];
-				options.WebsiteToken = Configuration["Weixin:WebsiteToken"];
-				options.EncodingAESKey = Configuration["Weixin:EncodingAESKey"];
-				options.Path = "/wx";
-				options.Events = new WeixinMessageEvents()
-				{
-					OnTextMessageReceived = ctx => weixinEventSink.OnTextMessageReceived(ctx.Sender, ctx.Args),
-					OnLinkMessageReceived = ctx => weixinEventSink.OnLinkMessageReceived(ctx.Sender, ctx.Args),
-					OnClickMenuEventReceived = ctx => weixinEventSink.OnClickMenuEventReceived(ctx.Sender, ctx.Args),
-					OnImageMessageReceived = ctx => weixinEventSink.OnImageMessageReceived(ctx.Sender, ctx.Args),
-					OnLocationEventReceived = ctx => weixinEventSink.OnLocationEventReceived(ctx.Sender, ctx.Args),
-					OnLocationMessageReceived = ctx => weixinEventSink.OnLocationMessageReceived(ctx.Sender, ctx.Args),
-					OnQrscanEventReceived = ctx => weixinEventSink.OnQrscanEventReceived(ctx.Sender, ctx.Args),
-					OnSubscribeEventReceived = ctx => weixinEventSink.OnSubscribeEventReceived(ctx.Sender, ctx.Args),
-					OnUnsubscribeEventReceived = ctx => weixinEventSink.OnUnsubscribeEventReceived(ctx.Sender, ctx.Args),
-					OnVideoMessageReceived = ctx => weixinEventSink.OnVideoMessageReceived(ctx.Sender, ctx.Args),
-					OnShortVideoMessageReceived = ctx => weixinEventSink.OnShortVideoMessageReceived(ctx.Sender, ctx.Args),
-					OnViewMenuEventReceived = ctx => weixinEventSink.OnViewMenuEventReceived(ctx.Sender, ctx.Args),
-					OnVoiceMessageReceived = ctx => weixinEventSink.OnVoiceMessageReceived(ctx.Sender, ctx.Args)
-				};
-			});
-
-			services.AddMvc()
-				.SetCompatibilityVersion(Microsoft.AspNetCore.Mvc.CompatibilityVersion.Version_2_1);
-
-			services.AddAuthorization(options =>
-			{
-				options.AddPolicy("WeixinMenuManager", policy => policy.RequireUserName(IdentityDbInitializer.AdminUserName));
-			});
-		}
-
-		// This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
-		public void Configure(IApplicationBuilder app, IHostingEnvironment env)
-		{
-			if (env.IsDevelopment())
-			{
-				app.UseDeveloperExceptionPage();
-			}
-			else
-			{
-				app.UseExceptionHandler("/Home/Error");
-				//app.UseHsts();
-			}
-
-			//app.UseHttpsRedirection();
-			app.UseStaticFiles();
-			//app.UseCookiePolicy();
-
-			app.UseAuthentication();
-
-			app.UseWeixinWelcomePage();
-
-			app.UseMvc(routes =>
-			{
-				routes.MapRoute(
-					name: "default",
-					template: "{controller=Home}/{action=Index}/{id?}");
-			});
-		}
-	}
-}
\ No newline at end of file
diff --git a/samples/Demo/Views/Home/About.cshtml b/samples/Demo/Views/Home/About.cshtml
deleted file mode 100644
index 429ce98..0000000
--- a/samples/Demo/Views/Home/About.cshtml
+++ /dev/null
@@ -1,12 +0,0 @@
-
-@{
-    ViewData["Title"] = "About";
-}
-
-<h2>@ViewData["Title"]</h2>
-
-
-AspNetCore.Weixin
-AspnetCore.Weixin.Jssdk
-
-
diff --git a/samples/Demo/Views/Home/Index.cshtml b/samples/Demo/Views/Home/Index.cshtml
deleted file mode 100644
index c0cc63a..0000000
--- a/samples/Demo/Views/Home/Index.cshtml
+++ /dev/null
@@ -1,26 +0,0 @@
-@model Demo.Models.Home.IndexViewModel
-@{
-	ViewData["Title"] = "Index";
-}
-
-<div class="row">
-	<div class="mx-auto">
-		<div class="card shadow mt-3 mb-3 ml-3 mr-3" style="min-width:180px;max-width:480px;">
-			<img class="card-img-top" src="~/img/mp-test.jpg" />
-			<div class="card-title text-center">请用微信扫描二维码关注测试公众号</div>
-		</div>
-
-		<div class="text-center">
-			<a class="btn btn-primary" asp-action="Subscribers">Subscribers <span class="badge badge-light">@Model.SubscriberCount</span></a>
-			<a class="btn btn-success" asp-action="ReceivedText">Received Text <span class="badge badge-light">@Model.ReceivedTextCount</span></a>
-		</div>
-	</div>
-</div>
-
-<div class="row" style="height:58px;">&nbsp;</div>
-<div class="fixed-bottom bg-light">
-	<hr />
-	<footer>
-		<p>&copy; 2016-2019 - Myvas.AspNetCore.Weixin </p>
-	</footer>
-</div>
\ No newline at end of file
diff --git a/samples/Demo/Views/Home/ReceivedText.cshtml b/samples/Demo/Views/Home/ReceivedText.cshtml
deleted file mode 100644
index 819123f..0000000
--- a/samples/Demo/Views/Home/ReceivedText.cshtml
+++ /dev/null
@@ -1,45 +0,0 @@
-@model IEnumerable<ReceivedTextMessage>
-
-@{
-	ViewData["Title"] = "Received Text";
-}
-
-<h2>@ViewData["Title"] (@Model.Count())</h2>
-
-
-@foreach (var item in Model)
-{
-	<div class="media">
-		@*<img class="mr-3" src="@item.headimgurl" style="width:64px;" />*@
-		<div class="media-body">
-			@*<h5 class="mt-0">
-				<span>@item.From</span>
-				@{
-					switch (item.sex)
-					{
-						case 1:
-							<i class="fas fa-mars text-primary"></i>
-							break;
-						case 2:
-							<i class="fas fa-venus text-danger"></i>
-							break;
-						default:
-							break;
-					}
-				}
-			</h5>*@
-			<dl class="dl-horizontal">
-				<dt>OpenId</dt>
-				<dd>
-					<div class="text-truncate" style="width:150px;" data-container="body" data-toggle="popover" data-placement="bottom" data-content="@item.From">@item.From</div>
-				</dd>
-				<dt>Content</dt>
-				<dd>@item.Content</dd>
-				<dt>Received Time</dt>
-				<dd>@item.ReceivedTime.ToLocalTime().ToString("yyyy-MM-dd hh:mm:ss")</dd>
-			</dl>
-			<a asp-action="SendWeixin" asp-route-openid="@item.From">发送微信消息</a>
-		</div>
-	</div>
-	<hr />
-}
\ No newline at end of file
diff --git a/samples/Demo/Views/Home/SendWeixin.cshtml b/samples/Demo/Views/Home/SendWeixin.cshtml
deleted file mode 100644
index 14b41ff..0000000
--- a/samples/Demo/Views/Home/SendWeixin.cshtml
+++ /dev/null
@@ -1,26 +0,0 @@
-@model SendWeixinViewModel
-
-@{
-    ViewData["Title"] = "Send Weixin Message";
-}
-
-<h2>@ViewData["Title"]</h2>
-
-<form method="post" action="SendWeixin">
-    @Html.AntiForgeryToken()
-    <dl>
-        <dt>
-            openid
-        </dt>
-        <dd>
-            <input asp-for="OpenId" type="text"/>
-        </dd>
-        <dt>
-            content
-        </dt>
-        <dd>
-            <input type="text"  asp-for="Content" />
-        </dd>
-    </dl>
-    <input type="submit" value="Submit" />
-</form>
\ No newline at end of file
diff --git a/samples/Demo/Views/Home/Subscribers.cshtml b/samples/Demo/Views/Home/Subscribers.cshtml
deleted file mode 100644
index 68be68d..0000000
--- a/samples/Demo/Views/Home/Subscribers.cshtml
+++ /dev/null
@@ -1,53 +0,0 @@
-@model ReturnableViewModel<IList<UserInfoJson>>
-
-@{
-	ViewData["Title"] = "Subscribers";
-}
-
-<h2>@ViewData["Title"]</h2>
-
-@if (Model.Item == null)
-{
-	<p>No items found.</p>
-}
-else
-{
-	@foreach (var item in Model.Item)
-	{
-		<div class="media">
-			<img class="mr-3" src="@item.headimgurl" style="width:64px;" />
-			<div class="media-body">
-				<h5 class="mt-0">
-					<span>@item.nickname</span>
-					@{
-						switch (item.sex)
-						{
-							case 1:
-								<i class="fas fa-mars text-primary"></i>
-								break;
-							case 2:
-								<i class="fas fa-venus text-danger"></i>
-								break;
-							default:
-								break;
-						}
-					}
-				</h5>
-				<dl class="dl-horizontal">
-					<dt>OpenId</dt>
-					<dd>
-						<div class="text-truncate" style="width:150px;" data-container="body" data-toggle="popover" data-placement="bottom" data-content="@item.openid">@item.openid</div>
-					</dd>
-					<dt>Province</dt>
-					<dd>@item.province</dd>
-					<dt>City</dt>
-					<dd>@item.city</dd>
-					<dt>Subscribe Time</dt>
-					<dd>@AspNetCore.Weixin.WeixinTimestampHelper.ToLocalTime(item.subscribe_time)</dd>
-				</dl>
-				<a asp-action="SendWeixin" asp-route-openid="@item.openid">发送微信消息</a>
-			</div>
-		</div>
-		<hr />
-	}
-}
\ No newline at end of file
diff --git a/samples/Demo/Views/Jssdk/Index.cshtml b/samples/Demo/Views/Jssdk/Index.cshtml
deleted file mode 100644
index 541fd8b..0000000
--- a/samples/Demo/Views/Jssdk/Index.cshtml
+++ /dev/null
@@ -1,46 +0,0 @@
-@model ShareJweixinViewModel
-@{
-    Layout = "_LayoutJweixin";
-    ViewData["Title"] = "Index";
-}
-
-<h2>Index</h2>
-
-<div id="checkJsApi">Check JsApi</div>
-
-@section Scripts{
-    <script>
-        $(document).ready(function () {
-            wx.config(@Html.Raw(Model.ConfigJson));
-            wx.ready(function () {
-                $('#checkJsApi').onclick = function () {
-                    wx.checkJsApi({
-                        jsApiList: [
-                            'getNetworkType',
-                            'previewImage',
-                            'updateAppMessageShareData'
-                        ],
-                        success: function (res) {
-                            alert(JSON.stringify(res));
-                        }
-                    })
-                };
-
-                wx.updateAppMessageShareData({
-                    title: '@Html.Raw(Model.Title)', // 分享标题
-                    desc: '@Html.Raw(Model.Description)', // 分享描述
-                    link: '@Html.Raw(Model.Url)', // 分享链接
-                    imgUrl: '@Html.Raw(Model.ImgUrl)', // 分享图标
-                    success: function () {
-                        // 用户确认分享后执行的回调函数
-                        alert("分享");
-                    },
-                    cancel: function () {
-                        // 用户取消分享后执行的回调函数
-                        alert("取消分享");
-                    }
-                });
-            });
-        });
-    </script>
-}
\ No newline at end of file
diff --git a/samples/Demo/Views/Shared/Error.cshtml b/samples/Demo/Views/Shared/Error.cshtml
deleted file mode 100644
index 6c6d047..0000000
--- a/samples/Demo/Views/Shared/Error.cshtml
+++ /dev/null
@@ -1,14 +0,0 @@
-@{
-    ViewData["Title"] = "Error";
-}
-
-<h1 class="text-danger">Error.</h1>
-<h2 class="text-danger">An error occurred while processing your request.</h2>
-
-<h3>Development Mode</h3>
-<p>
-    Swapping to <strong>Development</strong> environment will display more detailed information about the error that occurred.
-</p>
-<p>
-    <strong>Development environment should not be enabled in deployed applications</strong>, as it can result in sensitive information from exceptions being displayed to end users. For local debugging, development environment can be enabled by setting the <strong>ASPNETCORE_ENVIRONMENT</strong> environment variable to <strong>Development</strong>, and restarting the application.
-</p>
diff --git a/samples/Demo/Views/Shared/_Layout.cshtml b/samples/Demo/Views/Shared/_Layout.cshtml
deleted file mode 100644
index 17aea55..0000000
--- a/samples/Demo/Views/Shared/_Layout.cshtml
+++ /dev/null
@@ -1,48 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head>
-	<meta charset="utf-8" />
-	<meta name="viewport" content="width=device-width, initial-scale=0.9" />
-	<title>@ViewData["Title"] - Demo</title>
-
-	<link rel="stylesheet" href="~/lib/twitter-bootstrap/css/bootstrap.min.css" asp-append-version="true" />
-	<link rel="stylesheet" href="~/lib/font-awesome/css/all.min.css" crossorigin="anonymous" asp-append-version="true" />
-	<environment names="Development">
-		<link rel="stylesheet" href="~/css/site.css" asp-append-version="true" />
-	</environment>
-	<environment exclude="Development">
-		<link rel="stylesheet" href="~/css/site.min.css" asp-append-version="true" />
-	</environment>
-</head>
-<body>
-	<nav class="navbar navbar-expand-md navbar-dark bg-dark fixed-top">
-        <a asp-area="" asp-controller="Home" asp-action="Index" class="navbar-brand">Myvas.AspNetCore.Weixin Demo</a>
-		<button class="navbar-toggler" type="button" data-toggle="collapse" data-target=".navbar-collapse">
-			<span class="navbar-toggler-icon"></span>
-		</button>
-		<div class="navbar-collapse collapse">
-			<ul class="navbar-nav mr-auto">
-				<li class="nav-item"><a asp-area="" asp-controller="Home" asp-action="Index" class="nav-link">Home</a></li>
-				<li class="nav-item"><a asp-area="" asp-controller="Home" asp-action="Subscribers" class="nav-link">Subscribers</a></li>
-				<li class="nav-item"><a asp-area="" asp-controller="Home" asp-action="ReceivedText" class="nav-link">Messages</a></li>
-				<li class="nav-item"><a asp-area="" asp-controller="WeixinMenu" asp-action="Index" class="nav-link">WeixinMenu</a></li>
-			</ul>
-			@*@await Html.PartialAsync("_LoginPartial")*@
-		</div>
-	</nav>
-	<div class="container body-content">
-		@RenderBody()
-	</div>
-
-	<script src="~/lib/jquery/jquery.min.js" asp-append-version="true"></script>
-	<script src="~/lib/twitter-bootstrap/js/bootstrap.bundle.min.js" asp-append-version="true"></script>
-	<environment names="Development">
-		<script src="~/js/site.js" asp-append-version="true"></script>
-	</environment>
-	<environment exclude="Development">
-		<script src="~/js/site.min.js" asp-append-version="true"></script>
-	</environment>
-
-	@RenderSection("scripts", required: false)
-</body>
-</html>
diff --git a/samples/Demo/Views/Shared/_LayoutJweixin.cshtml b/samples/Demo/Views/Shared/_LayoutJweixin.cshtml
deleted file mode 100644
index 504c4b9..0000000
--- a/samples/Demo/Views/Shared/_LayoutJweixin.cshtml
+++ /dev/null
@@ -1,49 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head>
-	<meta charset="utf-8" />
-	<meta name="viewport" content="width=device-width, initial-scale=0.9" />
-	<title>@ViewData["Title"] - AspNetCore.Weixin Demo</title>
-
-	<link rel="stylesheet" href="~/lib/twitter-bootstrap/css/bootstrap.min.css" asp-append-version="true" />
-	<link rel="stylesheet" href="~/lib/font-awesome/css/all.min.css" crossorigin="anonymous" asp-append-version="true" />
-	<environment names="Development">
-		<link rel="stylesheet" href="~/css/site.css" asp-append-version="true" />
-	</environment>
-	<environment exclude="Development">
-		<link rel="stylesheet" href="~/css/site.min.css" asp-append-version="true" />
-	</environment>
-</head>
-<body>
-	<nav class="navbar navbar-expand-md navbar-dark bg-dark fixed-top">
-		<a asp-area="" asp-controller="Home" asp-action="Index" class="navbar-brand">AspNetCore.Weixin Demo</a>
-		<button class="navbar-toggler" type="button" data-toggle="collapse" data-target=".navbar-collapse">
-			<span class="navbar-toggler-icon"></span>
-		</button>
-		<div class="navbar-collapse collapse">
-			<ul class="navbar-nav mr-auto">
-				<li class="nav-item"><a asp-area="" asp-controller="Home" asp-action="Index" class="nav-link">Home</a></li>
-				<li class="nav-item"><a asp-area="" asp-controller="Home" asp-action="Subscribers" class="nav-link">Subscribers</a></li>
-				<li class="nav-item"><a asp-area="" asp-controller="Home" asp-action="ReceivedText" class="nav-link">Messages</a></li>
-				<li class="nav-item"><a asp-area="" asp-controller="WeixinMenu" asp-action="Index" class="nav-link">WeixinMenu</a></li>
-			</ul>
-			@*@await Html.PartialAsync("_LoginPartial")*@
-		</div>
-	</nav>
-	<div class="container body-content">
-		@RenderBody()
-	</div>
-
-	<script src="~/lib/jquery/jquery.min.js" asp-append-version="true"></script>
-	<script src="~/lib/twitter-bootstrap/js/bootstrap.bundle.min.js" asp-append-version="true"></script>
-	<script src="//res.wx.qq.com/open/js/jweixin-1.4.0.js" asp-append-version="true"></script>
-	<environment names="Development">
-		<script src="~/js/site.js" asp-append-version="true"></script>
-	</environment>
-	<environment exclude="Development">
-		<script src="~/js/site.min.js" asp-append-version="true"></script>
-	</environment>
-
-	@RenderSection("scripts", required: false)
-</body>
-</html>
diff --git a/samples/Demo/Views/Shared/_LoginPartial.cshtml b/samples/Demo/Views/Shared/_LoginPartial.cshtml
deleted file mode 100644
index 3d8db48..0000000
--- a/samples/Demo/Views/Shared/_LoginPartial.cshtml
+++ /dev/null
@@ -1,23 +0,0 @@
-@inject Microsoft.AspNetCore.Identity.SignInManager<AppUser> SignInManager
-@inject Microsoft.AspNetCore.Identity.UserManager<AppUser> UserManager
-
-@if (SignInManager.IsSignedIn(User))
-{
-    <form asp-area="" asp-controller="Account" asp-action="LogOff" method="post" class="navbar-right">
-        <ul class="nav navbar-nav navbar-right">
-            <li>
-                <a asp-area="" asp-controller="Manage" asp-action="Index" title="Manage">Hello @UserManager.GetUserName(User)!</a>
-            </li>
-            <li>
-                <button type="submit" class="btn btn-link navbar-btn navbar-link">Log Out</button>
-            </li>
-        </ul>
-    </form>
-}
-else
-{
-    <ul class="nav navbar-nav navbar-right">
-        <li><a asp-area="" asp-controller="Account" asp-action="Register">Register</a></li>
-        <li><a asp-area="" asp-controller="Account" asp-action="Login">Log in</a></li>
-    </ul>
-}
diff --git a/samples/Demo/Views/WeixinMenu/Index.cshtml b/samples/Demo/Views/WeixinMenu/Index.cshtml
deleted file mode 100644
index 0adaa4b..0000000
--- a/samples/Demo/Views/WeixinMenu/Index.cshtml
+++ /dev/null
@@ -1,57 +0,0 @@
-@*
-	WeixinMenu.cshtml
-*@
-
-@model WeixinJsonViewModel
-
-@{
-	ViewData["Title"] = "微信菜单管理";
-}
-
-
-<div class="row mt-3">
-	<dl>
-		<dt>WeixinAccessToken</dt>
-		<dd>
-			<div class="text-truncate" style="width:300px;" data-container="body" data-toggle="popover" data-placement="bottom" data-content="@Model.Token">@Model.Token</div>
-
-
-		</dd>
-	</dl>
-</div>
-
-<form asp-controller="WeixinMenu" asp-action="UpdateWeixinMenu" method="post">
-	<div class="row">
-		<div class="form-group col-xs-6">
-			<label class="control-label">当前菜单</label>
-			<textarea rows="12" class="form-control" style="min-width:100%">@Model.Json</textarea>
-		</div>
-		<div class="form-group col-xs-6">
-			<label asp-for="Json">新菜单</label>
-			<textarea rows="12" class="form-control" asp-for="Json" style="min-width:100%"></textarea>
-		</div>
-	</div>
-	<div class="row">
-		<input type="submit" class="btn btn-primary" value="提交" />
-	</div>
-</form>
-
-<div class="row">
-	<p class="help-block">菜单获取的Json格式与菜单更新的Json不一样，请手动复制以下内容粘贴到[新菜单]输入框，然后点击提交。</p>
-<pre><code>
-{
-	"button": [
-	{
-			"type": "view",
-			"name": "Home",
-			"url": "http://weixin.myvas.com/"
-	},
-	{
-			"type": "view",
-			"name": "About",
-			"url": "http://weixin.myvas.com/Home/About"
-		
-	}]
-}</code>
-    </pre>
-</div>
\ No newline at end of file
diff --git a/samples/Demo/Views/WeixinMenu/UpdateMenuResult.cshtml b/samples/Demo/Views/WeixinMenu/UpdateMenuResult.cshtml
deleted file mode 100644
index c886039..0000000
--- a/samples/Demo/Views/WeixinMenu/UpdateMenuResult.cshtml
+++ /dev/null
@@ -1,9 +0,0 @@
-@*
-    微信菜单管理
-*@
-@model AspNetCore.Weixin.WeixinErrorJson
-@{
-    ViewData["Title"] = "微信菜单更新结果";
-}
-
-<p>[@Model.errcode] @Model.errmsg</p>
diff --git a/samples/Demo/Views/_ViewImports.cshtml b/samples/Demo/Views/_ViewImports.cshtml
deleted file mode 100644
index 9b7fc08..0000000
--- a/samples/Demo/Views/_ViewImports.cshtml
+++ /dev/null
@@ -1,6 +0,0 @@
-@using Demo
-@using Demo.Entities
-@using Demo.Models
-@using AspNetCore.Weixin
-
-@addTagHelper *, Microsoft.AspNetCore.Mvc.TagHelpers
\ No newline at end of file
diff --git a/samples/Demo/Views/_ViewStart.cshtml b/samples/Demo/Views/_ViewStart.cshtml
deleted file mode 100644
index 6e88aa3..0000000
--- a/samples/Demo/Views/_ViewStart.cshtml
+++ /dev/null
@@ -1,3 +0,0 @@
-@{
-    Layout = "_Layout";
-}
diff --git a/samples/Demo/appsettings.json b/samples/Demo/appsettings.json
deleted file mode 100644
index a6d8f86..0000000
--- a/samples/Demo/appsettings.json
+++ /dev/null
@@ -1,41 +0,0 @@
-{
-	"ConnectionStrings:DefaultConnection": "Data Source=wxdemo.sqlite",
-
-	"Weixin:AppId": "your appid of mp.weixin.qq.com account",
-	"Weixin:AppSecret": "your appsecret of mp.weixin.qq.com account",
-	"Weixin:WebsiteToken": "your token of website configuration in mp.weixin.qq.com",
-	"Weixin:EncodingAESKey": "your EncodingAESKey of message encryption configured in mp.weixin.qq.com",
-
-	"WeixinOAuth:AppId": "your appid of mp.weixin.qq.com account",
-	"WeixinOAuth:AppSecret": "your appsecret of mp.weixin.qq.com account",
-
-	"WeixinOpen:AppId": "your appid of open.weixin.qq.com account",
-	"WeixinOpen:AppSecret": "your appsecret of open.weixin.qq.com account",
-
-	"QcloudSms:SdkAppId": "your SdkAppId of Qcloud SMS",
-	"QcloudSms:AppKey": "your AppKey of Qcloud SMS",
-
-	"Logging": {
-		"IncludeScopes": true,
-		"LogLevel": {
-			"Default": "Debug",
-			"System": "Information",
-			"Microsoft": "Information"
-		},
-		"Debug": {
-			"LogLevel": {
-				"Default": "Trace"
-			}
-		},
-		"Console": {
-			"LogLevel": {
-				"Microsoft.EntityFrameworkCore.Database.Connection": "Debug",
-				"Microsoft.EntityFrameworkCore.Database.Command": "Debug",
-				"Microsoft.AspNetCore.Mvc.Razor.Internal": "Warning",
-				"Microsoft.AspNetCore.Mvc.Razor.Razor": "Warning",
-				"Microsoft.AspNetCore.Mvc.Razor": "Error",
-				"Default": "Debug"
-			}
-		}
-	}
-}
diff --git a/samples/Demo/bundleconfig.json b/samples/Demo/bundleconfig.json
deleted file mode 100644
index a98e0c9..0000000
--- a/samples/Demo/bundleconfig.json
+++ /dev/null
@@ -1,24 +0,0 @@
-// Configure bundling and minification for the project.
-// More info at https://go.microsoft.com/fwlink/?LinkId=808241
-[
-  {
-    "outputFileName": "wwwroot/css/site.min.css",
-    // An array of relative input file paths. Globbing patterns supported
-    "inputFiles": [
-      "wwwroot/css/site.css"
-    ]
-  },
-  {
-    "outputFileName": "wwwroot/js/site.min.js",
-    "inputFiles": [
-      "wwwroot/js/site.js"
-    ],
-    // Optionally specify minification options
-    "minify": {
-      "enabled": true,
-      "renameLocals": true
-    },
-    // Optinally generate .map file
-    "sourceMap": false
-  }
-]
diff --git a/samples/Demo/libman.json b/samples/Demo/libman.json
deleted file mode 100644
index 43c27d3..0000000
--- a/samples/Demo/libman.json
+++ /dev/null
@@ -1,51 +0,0 @@
-{
-	"version": "1.0",
-	"defaultProvider": "cdnjs",
-	"libraries": [
-		{
-			"library": "jquery@3.3.1",
-			"destination": "wwwroot/lib/jquery/",
-			"files": [
-				"jquery.min.js"
-			]
-		},
-		{
-			"provider": "cdnjs",
-			"library": "jquery-validate@1.19.0",
-			"destination": "wwwroot/lib/jquery-validate/",
-			"files": [
-				"jquery.validate.min.js"
-			]
-		},
-		{
-			"provider": "cdnjs",
-			"library": "jquery-validation-unobtrusive@3.2.11",
-			"destination": "wwwroot/lib/jquery-validation-unobtrusive/",
-			"files": [
-				"jquery.validate.unobtrusive.min.js"
-			]
-		},
-		{
-			"provider": "cdnjs",
-			"library": "twitter-bootstrap@4.3.1",
-			"destination": "wwwroot/lib/twitter-bootstrap/",
-			"files": [
-				"js/bootstrap.bundle.min.js",
-				"css/bootstrap.min.css"
-			]
-		},
-		{
-			"provider": "cdnjs",
-			"library": "font-awesome@5.7.2",
-			"destination": "wwwroot/lib/font-awesome/",
-			"files": [
-				"webfonts/fa-solid-900.eot",
-				"webfonts/fa-solid-900.ttf",
-				"webfonts/fa-solid-900.svg",
-				"webfonts/fa-solid-900.woff",
-				"webfonts/fa-solid-900.woff2",
-				"css/all.min.css"
-			]
-		}
-	]
-}
\ No newline at end of file
diff --git a/samples/Demo/web.config b/samples/Demo/web.config
deleted file mode 100644
index 2074105..0000000
--- a/samples/Demo/web.config
+++ /dev/null
@@ -1,14 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<configuration>
-
-  <!--
-    Configure your application settings in appsettings.json. Learn more at http://go.microsoft.com/fwlink/?LinkId=786380
-  -->
-
-  <system.webServer>
-    <handlers>
-      <add name="aspNetCore" path="*" verb="*" modules="AspNetCoreModule" resourceType="Unspecified"/>
-    </handlers>
-    <aspNetCore processPath="%LAUNCHER_PATH%" arguments="%LAUNCHER_ARGS%" stdoutLogEnabled="false" stdoutLogFile=".\logs\stdout" forwardWindowsAuthToken="false"/>
-  </system.webServer>
-</configuration>
diff --git a/samples/Demo/wwwroot/MP_verify_MQuINXpToN5ZYtjc.txt b/samples/Demo/wwwroot/MP_verify_MQuINXpToN5ZYtjc.txt
deleted file mode 100644
index 5b68eeb..0000000
--- a/samples/Demo/wwwroot/MP_verify_MQuINXpToN5ZYtjc.txt
+++ /dev/null
@@ -1 +0,0 @@
-MQuINXpToN5ZYtjc
\ No newline at end of file
diff --git a/samples/Demo/wwwroot/css/site.css b/samples/Demo/wwwroot/css/site.css
deleted file mode 100644
index 3507b5b..0000000
--- a/samples/Demo/wwwroot/css/site.css
+++ /dev/null
@@ -1,43 +0,0 @@
-body {
-    padding-top: 50px;
-    padding-bottom: 20px;
-}
-
-/* Set padding to keep content from hitting the edges */
-.body-content {
-    padding-left: 15px;
-    padding-right: 15px;
-}
-
-/* Set width on the form input elements since they're 100% wide by default */
-input,
-select,
-textarea {
-    max-width: 280px;
-}
-
-/* styles for validation helpers */
-.field-validation-error {
-    color: #b94a48;
-}
-
-.field-validation-valid {
-    display: none;
-}
-
-input.input-validation-error {
-    border: 1px solid #b94a48;
-}
-
-input[type="checkbox"].input-validation-error {
-    border: 0 none;
-}
-
-.validation-summary-errors {
-    color: #b94a48;
-}
-
-.validation-summary-valid {
-    display: none;
-}
-
diff --git a/samples/Demo/wwwroot/img/mp-test.jpg b/samples/Demo/wwwroot/img/mp-test.jpg
deleted file mode 100644
index fbb146c..0000000
Binary files a/samples/Demo/wwwroot/img/mp-test.jpg and /dev/null differ
diff --git a/samples/Demo/wwwroot/js/site.js b/samples/Demo/wwwroot/js/site.js
deleted file mode 100644
index 947bbcf..0000000
--- a/samples/Demo/wwwroot/js/site.js
+++ /dev/null
@@ -1,5 +0,0 @@
-// Write your Javascript code.
-
-$(function () {
-	$('[data-toggle="popover"]').popover()
-})
\ No newline at end of file
diff --git a/samples/Demo/wxdemo.sqlite b/samples/Demo/wxdemo.sqlite
deleted file mode 100644
index 8a53ac4..0000000
Binary files a/samples/Demo/wxdemo.sqlite and /dev/null differ
diff --git a/samples/db-schema-update-20190320.sql b/samples/db-schema-update-20190320.sql
deleted file mode 100644
index a22abdf..0000000
--- a/samples/db-schema-update-20190320.sql
+++ /dev/null
@@ -1,87 +0,0 @@
-BEGIN TRANSACTION;
-CREATE TABLE "__EFMigrationsHistory" (
-    "MigrationId" TEXT NOT NULL CONSTRAINT "PK___EFMigrationsHistory" PRIMARY KEY,
-    "ProductVersion" TEXT NOT NULL
-);
-CREATE TABLE "Subscribers" (
-    "Id" TEXT NOT NULL CONSTRAINT "PK_Subscribers" PRIMARY KEY,
-    "OpenId" TEXT NULL,
-    "Gender" TEXT NULL,
-    "NickName" TEXT NULL,
-    "AvatorImage" TEXT NULL
-);
-CREATE TABLE "ReceivedTextMessages" (
-    "Id" TEXT NOT NULL CONSTRAINT "PK_ReceivedTextMessages" PRIMARY KEY,
-    "From" TEXT NULL,
-    "To" TEXT NULL,
-    "ReceivedTime" TEXT NOT NULL,
-    "Content" TEXT NULL
-);
-CREATE TABLE "AspNetUsers" (
-    "Id" TEXT NOT NULL CONSTRAINT "PK_AspNetUsers" PRIMARY KEY,
-    "AccessFailedCount" INTEGER NOT NULL,
-    "ConcurrencyStamp" TEXT NULL,
-    "Email" TEXT NULL,
-    "EmailConfirmed" INTEGER NOT NULL,
-    "LockoutEnabled" INTEGER NOT NULL,
-    "LockoutEnd" TEXT NULL,
-    "NormalizedEmail" TEXT NULL,
-    "NormalizedUserName" TEXT NULL,
-    "PasswordHash" TEXT NULL,
-    "PhoneNumber" TEXT NULL,
-    "PhoneNumberConfirmed" INTEGER NOT NULL,
-    "SecurityStamp" TEXT NULL,
-    "TwoFactorEnabled" INTEGER NOT NULL,
-    "UserName" TEXT NULL
-);
-CREATE TABLE "AspNetUserTokens" (
-    "UserId" TEXT NOT NULL,
-    "LoginProvider" TEXT NOT NULL,
-    "Name" TEXT NOT NULL,
-    "Value" TEXT NULL,
-    CONSTRAINT "PK_AspNetUserTokens" PRIMARY KEY ("UserId", "LoginProvider", "Name"),
-    CONSTRAINT "FK_AspNetUserTokens_AspNetUsers_UserId" FOREIGN KEY ("UserId") REFERENCES "AspNetUsers" ("Id") ON DELETE CASCADE
-);
-CREATE TABLE "AspNetUserRoles" (
-    "UserId" TEXT NOT NULL,
-    "RoleId" TEXT NOT NULL,
-    CONSTRAINT "PK_AspNetUserRoles" PRIMARY KEY ("UserId", "RoleId"),
-    CONSTRAINT "FK_AspNetUserRoles_AspNetRoles_RoleId" FOREIGN KEY ("RoleId") REFERENCES "AspNetRoles" ("Id") ON DELETE CASCADE,
-    CONSTRAINT "FK_AspNetUserRoles_AspNetUsers_UserId" FOREIGN KEY ("UserId") REFERENCES "AspNetUsers" ("Id") ON DELETE CASCADE
-);
-CREATE TABLE "AspNetUserLogins" (
-    "LoginProvider" TEXT NOT NULL,
-    "ProviderKey" TEXT NOT NULL,
-    "ProviderDisplayName" TEXT NULL,
-    "UserId" TEXT NOT NULL,
-    CONSTRAINT "PK_AspNetUserLogins" PRIMARY KEY ("LoginProvider", "ProviderKey"),
-    CONSTRAINT "FK_AspNetUserLogins_AspNetUsers_UserId" FOREIGN KEY ("UserId") REFERENCES "AspNetUsers" ("Id") ON DELETE CASCADE
-);
-CREATE TABLE "AspNetUserClaims" (
-    "Id" INTEGER NOT NULL CONSTRAINT "PK_AspNetUserClaims" PRIMARY KEY AUTOINCREMENT,
-    "ClaimType" TEXT NULL,
-    "ClaimValue" TEXT NULL,
-    "UserId" TEXT NOT NULL,
-    CONSTRAINT "FK_AspNetUserClaims_AspNetUsers_UserId" FOREIGN KEY ("UserId") REFERENCES "AspNetUsers" ("Id") ON DELETE CASCADE
-);
-CREATE TABLE "AspNetRoles" (
-    "Id" TEXT NOT NULL CONSTRAINT "PK_AspNetRoles" PRIMARY KEY,
-    "ConcurrencyStamp" TEXT NULL,
-    "Name" TEXT NULL,
-    "NormalizedName" TEXT NULL
-);
-CREATE TABLE "AspNetRoleClaims" (
-    "Id" INTEGER NOT NULL CONSTRAINT "PK_AspNetRoleClaims" PRIMARY KEY AUTOINCREMENT,
-    "ClaimType" TEXT NULL,
-    "ClaimValue" TEXT NULL,
-    "RoleId" TEXT NOT NULL,
-    CONSTRAINT "FK_AspNetRoleClaims_AspNetRoles_RoleId" FOREIGN KEY ("RoleId") REFERENCES "AspNetRoles" ("Id") ON DELETE CASCADE
-);
-CREATE UNIQUE INDEX "UserNameIndex" ON "AspNetUsers" ("NormalizedUserName");
-CREATE UNIQUE INDEX "RoleNameIndex" ON "AspNetRoles" ("NormalizedName");
-CREATE INDEX "IX_AspNetUserRoles_RoleId" ON "AspNetUserRoles" ("RoleId");
-CREATE INDEX "IX_AspNetUserLogins_UserId" ON "AspNetUserLogins" ("UserId");
-CREATE INDEX "IX_AspNetUserClaims_UserId" ON "AspNetUserClaims" ("UserId");
-CREATE INDEX "IX_AspNetRoleClaims_RoleId" ON "AspNetRoleClaims" ("RoleId");
-CREATE INDEX "EmailIndex" ON "AspNetUsers" ("NormalizedEmail");
-COMMIT;
diff --git a/samples/wxdemo.sqlite b/samples/wxdemo.sqlite
deleted file mode 100644
index 4356099..0000000
Binary files a/samples/wxdemo.sqlite and /dev/null differ
diff --git a/src/Weixin.Jssdk/Myvas.AspNetCore.Weixin.Jssdk.csproj b/src/Weixin.Jssdk/Myvas.AspNetCore.Weixin.Jssdk.csproj
index 1efd0b1..3c69d28 100644
--- a/src/Weixin.Jssdk/Myvas.AspNetCore.Weixin.Jssdk.csproj
+++ b/src/Weixin.Jssdk/Myvas.AspNetCore.Weixin.Jssdk.csproj
@@ -14,7 +14,7 @@
     <RepositoryUrl>https://github.com/myvas/AspNetCore.Weixin</RepositoryUrl>
   </PropertyGroup>
 
-  <ItemGroup>
-    <ProjectReference Include="..\Weixin\Myvas.AspNetCore.Weixin.csproj" />
+  <ItemGroup>
+    <ProjectReference Include="..\Weixin\Myvas.AspNetCore.Weixin.csproj" />
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/src/Weixin/AccessToken/WeixinAccessTokenOptions.cs b/src/Weixin/AccessToken/WeixinAccessTokenOptions.cs
index d55c066..8718b5f 100644
--- a/src/Weixin/AccessToken/WeixinAccessTokenOptions.cs
+++ b/src/Weixin/AccessToken/WeixinAccessTokenOptions.cs
@@ -1,6 +1,6 @@
-namespace Myvas.AspNetCore.Weixin
-{
-    public class WeixinAccessTokenOptions : WeixinOptions
-	{
-	}
-}
+namespace Myvas.AspNetCore.Weixin
+{
+    public class WeixinAccessTokenOptions : WeixinOptions
+	{
+	}
+}
diff --git a/src/Weixin/Apis/Menu/MenuApi.cs b/src/Weixin/Apis/Menu/MenuApi.cs
index e302546..21c5457 100644
--- a/src/Weixin/Apis/Menu/MenuApi.cs
+++ b/src/Weixin/Apis/Menu/MenuApi.cs
@@ -1,348 +1,349 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Net.Http;
-using System.Net.Http.Headers;
-using System.Text.Json;
-using System.Threading.Tasks;
-
-namespace Myvas.AspNetCore.Weixin
-{
-    public static class MenuApi
-    {
-        ///// <summary>
-        ///// 特殊符号转义
-        ///// </summary>
-        ///// <param name="name"></param>
-        ///// <returns></returns>
-        //private static string ButtonNameEncode(string name)
-        //{
-        //    //直接用UrlEncode不行，显示内容超长
-        //    return name.Replace("&", "%26");
-        //}
-
-        /// <summary>
-        /// 创建菜单
-        /// </summary>
-        /// <param name="accessToken"></param>
-        /// <param name="buttonData">菜单内容</param>
-        /// <returns></returns>
-        public static async Task<WeixinErrorJson> CreateMenu(string accessToken, ButtonGroup buttonData)
-        {
-            var api = "https://api.weixin.qq.com/cgi-bin/menu/create?access_token={0}";
-            api = string.Format(api, accessToken);
-
-
-            ////对特殊符号进行URL转义
-            //foreach (var button in buttonData.button)
-            //{
-            //    button.name = ButtonNameEncode(button.name);//button.name.UrlEncode();
-            //    if (button is SubButton)
-            //    {
-            //        var subButtonList = button as SubButton;
-            //        foreach (var subButton in subButtonList.sub_button)
-            //        {
-            //            subButton.name = ButtonNameEncode(button.name);//button.name.UrlEncode();
-            //        }
-            //    }
-            //}
-
-            var tokenRequestParameters = new Dictionary<string, string>()
-            {
-                //{ "client_id", Options.ClientId },
-                //{ "redirect_uri", redirectUri },
-                //{ "client_secret", Options.ClientSecret },
-                //{ "code", code },
-                //{ "grant_type", "authorization_code" },
-            };
-            var requestContent = new FormUrlEncodedContent(tokenRequestParameters);
-
-            var requestMessage = new HttpRequestMessage(HttpMethod.Post, api);
-            requestMessage.Headers.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
-            requestMessage.Content = requestContent;
-
-            var response = await new HttpClient().SendAsync(requestMessage);
-            response.EnsureSuccessStatusCode();
-
-            var json = await response.Content.ReadAsStringAsync();
-            return json.FromJson<WeixinErrorJson>();
-        }
-
-        /// <summary>
-        /// 创建菜单
-        /// </summary>
-        /// <param name="accessToken"></param>
-        /// <param name="buttonData">菜单内容</param>
-        /// <returns></returns>
-        public static async Task<WeixinErrorJson> CreateMenuAsync(string accessToken, string menuJson)
-        {
-            var api = "https://api.weixin.qq.com/cgi-bin/menu/create?access_token={0}";
-            api = string.Format(api, accessToken);
-
-            var requestContent = new StringContent(menuJson);
-
-            var requestMessage = new HttpRequestMessage(HttpMethod.Post, api);
-            requestMessage.Headers.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
-            requestMessage.Content = requestContent;
-
-            var response = await new HttpClient().SendAsync(requestMessage);
-            response.EnsureSuccessStatusCode();
-
-            var json = await response.Content.ReadAsStringAsync();
-            return json.FromJson<WeixinErrorJson>();
-        }
-
-
-        #region GetMenu
-        /// <summary>
-        /// 获取单击按钮
-        /// </summary>
-        /// <param name="objs"></param>
-        /// <returns></returns>
-        [Obsolete("配合GetMenuFromJson方法使用")]
-        private static ClickMenuButton GetSingleButtonFromJsonObject(Dictionary<string, object> objs)
-        {
-            var sb = new ClickMenuButton()
-            {
-                key = objs["key"] as string,
-                name = objs["name"] as string,
-                type = objs["UploadMediaType"] as string
-            };
-            return sb;
-        }
-
-
-        /// <summary>
-        /// 从JSON字符串获取菜单对象
-        /// </summary>
-        /// <param name="json"></param>
-        /// <returns></returns>
-        [Obsolete("此方法通过判断GetMenuResult并结合object类型转换得到结果。结果准确。但更推荐使用GetMenuFromJsonResult方法。")]
-        public static GetMenuResult GetMenuFromJson(string json)
-        {
-            var finalResult = new GetMenuResult();
-
-            try
-            {
-                //@"{""menu"":{""button"":[{""UploadMediaType"":""click"",""name"":""单击测试"",""key"":""OneClick"",""sub_button"":[]},{""name"":""二级菜单"",""sub_button"":[{""UploadMediaType"":""click"",""name"":""返回文本"",""key"":""SubClickRoot_Text"",""sub_button"":[]},{""UploadMediaType"":""click"",""name"":""返回图文"",""key"":""SubClickRoot_News"",""sub_button"":[]},{""UploadMediaType"":""click"",""name"":""返回音乐"",""key"":""SubClickRoot_Music"",""sub_button"":[]}]}]}}"
-                object jsonResult = null;
-
-                jsonResult = JsonSerializer.Deserialize<object>(json);
-
-                var fullResult = jsonResult as Dictionary<string, object>;
-                if (fullResult != null && fullResult.ContainsKey("menu"))
-                {
-                    //得到菜单
-                    var menu = fullResult["menu"];
-                    var buttons = (menu as Dictionary<string, object>)["button"] as object[];
-
-                    foreach (var rootButton in buttons)
-                    {
-                        var fullButton = rootButton as Dictionary<string, object>;
-                        if (fullButton.ContainsKey("key") && !string.IsNullOrEmpty(fullButton["key"] as string))
-                        {
-                            //按钮，无下级菜单
-                            finalResult.menu.button.Add(GetSingleButtonFromJsonObject(fullButton));
-                        }
-                        else
-                        {
-                            //二级菜单
-                            var subButton = new SubMenuButton(fullButton["name"] as string);
-                            finalResult.menu.button.Add(subButton);
-                            foreach (var sb in fullButton["sub_button"] as object[])
-                            {
-                                subButton.sub_button.Add(GetSingleButtonFromJsonObject(sb as Dictionary<string, object>));
-                            }
-                        }
-                    }
-                }
-                else if (fullResult != null && fullResult.ContainsKey("errmsg"))
-                {
-                    //菜单不存在
-                    throw new WeixinException(fullResult["errmsg"] as string, null, null);
-                }
-            }
-            catch (WeixinException)
-            {
-                finalResult = null;
-
-                //如果没有惨淡会返回错误代码：46003：menu no exist
-            }
-            catch (Exception)
-            {
-                //其他异常
-                finalResult = null;
-            }
-            return finalResult;
-        }
-
-
-        /// <summary>
-        /// 获取当前菜单，如果菜单不存在，将返回null
-        /// </summary>
-        /// <param name="accessToken"></param>
-        /// <returns></returns>
-        public static async Task<JsonDocument> GetMenuAsync(string accessToken)
-        {
-            var url = string.Format("https://api.weixin.qq.com/cgi-bin/menu/get?access_token={0}", accessToken);
-
-            var responseMessage = await new HttpClient().GetAsync(url);
-            responseMessage.EnsureSuccessStatusCode();
-            var s = await responseMessage.Content.ReadAsStringAsync();
-            var json = JsonDocument.Parse(s);
-            return json;
-        }
-
-        public static GetMenuResult Parse(string json)
-        {
-            GetMenuResult finalResult;
-            try
-            {
-                var jsonResult = JsonSerializer.Deserialize<GetMenuResultFull>(json);
-                if (jsonResult.menu == null || jsonResult.menu.button.Count == 0)
-                {
-                    throw new WeixinException(jsonResult.errmsg);
-                }
-
-                finalResult = GetMenuFromJsonResult(jsonResult);
-            }
-            catch (WeixinException)
-            {
-                finalResult = null;
-            }
-
-            return finalResult;
-        }
-
-        /// <summary>
-        /// 根据微信返回的Json数据得到可用的GetMenuResult结果
-        /// </summary>
-        /// <param name="resultFull"></param>
-        /// <returns></returns>
-        public static GetMenuResult GetMenuFromJsonResult(GetMenuResultFull resultFull)
-        {
-            GetMenuResult result = null;
-            try
-            {
-                //重新整理按钮信息
-                ButtonGroup bg = new ButtonGroup();
-                foreach (var rootButton in resultFull.menu.button)
-                {
-                    if (rootButton.name == null)
-                    {
-                        continue;//没有设置一级菜单
-                    }
-                    var availableSubButton = rootButton.sub_button.Count(z => !string.IsNullOrEmpty(z.name));//可用二级菜单按钮数量
-                    if (availableSubButton == 0)
-                    {
-                        //底部单击按钮
-                        if (rootButton.type == null ||
-                            (rootButton.type.Equals("CLICK", StringComparison.OrdinalIgnoreCase)
-                            && string.IsNullOrEmpty(rootButton.key)))
-                        {
-                            throw new WeixinException("单击按钮的key不能为空！");
-                        }
-
-                        if (rootButton.type.Equals("CLICK", StringComparison.OrdinalIgnoreCase))
-                        {
-                            //点击
-                            bg.button.Add(new ClickMenuButton()
-                            {
-                                name = rootButton.name,
-                                key = rootButton.key,
-                                type = rootButton.type
-                            });
-                        }
-                        else
-                        {
-                            //URL
-                            bg.button.Add(new ViewMenuButton()
-                            {
-                                name = rootButton.name,
-                                url = rootButton.url,
-                                type = rootButton.type
-                            });
-                        }
-                    }
-                    else if (availableSubButton < 2)
-                    {
-                        throw new WeixinException("子菜单至少需要填写2个！");
-                    }
-                    else
-                    {
-                        //底部二级菜单
-                        var subButton = new SubMenuButton(rootButton.name);
-                        bg.button.Add(subButton);
-
-                        foreach (var subSubButton in rootButton.sub_button)
-                        {
-                            if (subSubButton.name == null)
-                            {
-                                continue; //没有设置菜单
-                            }
-
-                            if (subSubButton.type.Equals("CLICK", StringComparison.OrdinalIgnoreCase)
-                                && string.IsNullOrEmpty(subSubButton.key))
-                            {
-                                throw new WeixinException("单击按钮的key不能为空！");
-                            }
-
-
-                            if (subSubButton.type.Equals("CLICK", StringComparison.OrdinalIgnoreCase))
-                            {
-                                //点击
-                                subButton.sub_button.Add(new ClickMenuButton()
-                                {
-                                    name = subSubButton.name,
-                                    key = subSubButton.key,
-                                    type = subSubButton.type
-                                });
-                            }
-                            else
-                            {
-                                //URL
-                                subButton.sub_button.Add(new ViewMenuButton()
-                                {
-                                    name = subSubButton.name,
-                                    url = subSubButton.url,
-                                    type = subSubButton.type
-                                });
-                            }
-                        }
-                    }
-                }
-
-                if (bg.button.Count < 2)
-                {
-                    throw new WeixinException("一级菜单按钮至少为2个！");
-                }
-
-                result = new GetMenuResult()
-                {
-                    menu = bg
-                };
-            }
-            catch (Exception ex)
-            {
-                throw new WeixinException(ex.Message, ex);
-            }
-            return result;
-        }
-
-        #endregion
-
-        /// <summary>
-        /// 删除菜单
-        /// </summary>
-        /// <param name="accessToken"></param>
-        /// <returns></returns>
-        public static async Task<WeixinErrorJson> DeleteMenu(string accessToken)
-        {
-            var url = string.Format("https://api.weixin.qq.com/cgi-bin/menu/delete?access_token={0}", accessToken);
-            var response = await new HttpClient().GetAsync(url);
-            response.EnsureSuccessStatusCode();
-            var json = await response.Content.ReadAsStringAsync();
-            return JsonSerializer.Deserialize<WeixinErrorJson>(json);
-        }
-    }
-}
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net.Http;
+using Myvas.AspNetCore.Weixin;
+using System.Net.Http.Headers;
+using System.Text.Json;
+using System.Threading.Tasks;
+
+namespace Myvas.AspNetCore.Weixin
+{
+    public static class MenuApi
+    {
+        ///// <summary>
+        ///// 特殊符号转义
+        ///// </summary>
+        ///// <param name="name"></param>
+        ///// <returns></returns>
+        //private static string ButtonNameEncode(string name)
+        //{
+        //    //直接用UrlEncode不行，显示内容超长
+        //    return name.Replace("&", "%26");
+        //}
+
+        /// <summary>
+        /// 创建菜单
+        /// </summary>
+        /// <param name="accessToken"></param>
+        /// <param name="buttonData">菜单内容</param>
+        /// <returns></returns>
+        public static async Task<WeixinErrorJson> CreateMenu(string accessToken, ButtonGroup buttonData)
+        {
+            var api = "https://api.weixin.qq.com/cgi-bin/menu/create?access_token={0}";
+            api = string.Format(api, accessToken);
+
+
+            ////对特殊符号进行URL转义
+            //foreach (var button in buttonData.button)
+            //{
+            //    button.name = ButtonNameEncode(button.name);//button.name.UrlEncode();
+            //    if (button is SubButton)
+            //    {
+            //        var subButtonList = button as SubButton;
+            //        foreach (var subButton in subButtonList.sub_button)
+            //        {
+            //            subButton.name = ButtonNameEncode(button.name);//button.name.UrlEncode();
+            //        }
+            //    }
+            //}
+
+            var tokenRequestParameters = new Dictionary<string, string>()
+            {
+                //{ "client_id", Options.ClientId },
+                //{ "redirect_uri", redirectUri },
+                //{ "client_secret", Options.ClientSecret },
+                //{ "code", code },
+                //{ "grant_type", "authorization_code" },
+            };
+            var requestContent = new FormUrlEncodedContent(tokenRequestParameters);
+
+            var requestMessage = new HttpRequestMessage(HttpMethod.Post, api);
+            requestMessage.Headers.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
+            requestMessage.Content = requestContent;
+
+            var response = await new HttpClient().SendAsync(requestMessage);
+            response.EnsureSuccessStatusCode();
+
+            var json = await response.Content.ReadAsStringAsync();
+            return json.FromJson<WeixinErrorJson>();
+        }
+
+        /// <summary>
+        /// 创建菜单
+        /// </summary>
+        /// <param name="accessToken"></param>
+        /// <param name="buttonData">菜单内容</param>
+        /// <returns></returns>
+        public static async Task<WeixinErrorJson> CreateMenuAsync(string accessToken, string menuJson)
+        {
+            var api = "https://api.weixin.qq.com/cgi-bin/menu/create?access_token={0}";
+            api = string.Format(api, accessToken);
+
+            var requestContent = new StringContent(menuJson);
+
+            var requestMessage = new HttpRequestMessage(HttpMethod.Post, api);
+            requestMessage.Headers.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
+            requestMessage.Content = requestContent;
+
+            var response = await new HttpClient().SendAsync(requestMessage);
+            response.EnsureSuccessStatusCode();
+
+            var json = await response.Content.ReadAsStringAsync();
+            return json.FromJson<WeixinErrorJson>();
+        }
+
+
+        #region GetMenu
+        /// <summary>
+        /// 获取单击按钮
+        /// </summary>
+        /// <param name="objs"></param>
+        /// <returns></returns>
+        [Obsolete("配合GetMenuFromJson方法使用")]
+        private static ClickMenuButton GetSingleButtonFromJsonObject(Dictionary<string, object> objs)
+        {
+            var sb = new ClickMenuButton()
+            {
+                key = objs["key"] as string,
+                name = objs["name"] as string,
+                type = objs["UploadMediaType"] as string
+            };
+            return sb;
+        }
+
+
+        /// <summary>
+        /// 从JSON字符串获取菜单对象
+        /// </summary>
+        /// <param name="json"></param>
+        /// <returns></returns>
+        [Obsolete("此方法通过判断GetMenuResult并结合object类型转换得到结果。结果准确。但更推荐使用GetMenuFromJsonResult方法。")]
+        public static GetMenuResult GetMenuFromJson(string json)
+        {
+            var finalResult = new GetMenuResult();
+
+            try
+            {
+                //@"{""menu"":{""button"":[{""UploadMediaType"":""click"",""name"":""单击测试"",""key"":""OneClick"",""sub_button"":[]},{""name"":""二级菜单"",""sub_button"":[{""UploadMediaType"":""click"",""name"":""返回文本"",""key"":""SubClickRoot_Text"",""sub_button"":[]},{""UploadMediaType"":""click"",""name"":""返回图文"",""key"":""SubClickRoot_News"",""sub_button"":[]},{""UploadMediaType"":""click"",""name"":""返回音乐"",""key"":""SubClickRoot_Music"",""sub_button"":[]}]}]}}"
+                object jsonResult = null;
+
+                jsonResult = JsonSerializer.Deserialize<object>(json);
+
+                var fullResult = jsonResult as Dictionary<string, object>;
+                if (fullResult != null && fullResult.ContainsKey("menu"))
+                {
+                    //得到菜单
+                    var menu = fullResult["menu"];
+                    var buttons = (menu as Dictionary<string, object>)["button"] as object[];
+
+                    foreach (var rootButton in buttons)
+                    {
+                        var fullButton = rootButton as Dictionary<string, object>;
+                        if (fullButton.ContainsKey("key") && !string.IsNullOrEmpty(fullButton["key"] as string))
+                        {
+                            //按钮，无下级菜单
+                            finalResult.menu.button.Add(GetSingleButtonFromJsonObject(fullButton));
+                        }
+                        else
+                        {
+                            //二级菜单
+                            var subButton = new SubMenuButton(fullButton["name"] as string);
+                            finalResult.menu.button.Add(subButton);
+                            foreach (var sb in fullButton["sub_button"] as object[])
+                            {
+                                subButton.sub_button.Add(GetSingleButtonFromJsonObject(sb as Dictionary<string, object>));
+                            }
+                        }
+                    }
+                }
+                else if (fullResult != null && fullResult.ContainsKey("errmsg"))
+                {
+                    //菜单不存在
+                    throw new WeixinException(fullResult["errmsg"] as string, null, null);
+                }
+            }
+            catch (WeixinException)
+            {
+                finalResult = null;
+
+                //如果没有惨淡会返回错误代码：46003：menu no exist
+            }
+            catch (Exception)
+            {
+                //其他异常
+                finalResult = null;
+            }
+            return finalResult;
+        }
+
+
+        /// <summary>
+        /// 获取当前菜单，如果菜单不存在，将返回null
+        /// </summary>
+        /// <param name="accessToken"></param>
+        /// <returns></returns>
+        public static async Task<JsonDocument> GetMenuAsync(string accessToken)
+        {
+            var url = string.Format("https://api.weixin.qq.com/cgi-bin/menu/get?access_token={0}", accessToken);
+
+            var responseMessage = await new HttpClient().GetAsync(url);
+            responseMessage.EnsureSuccessStatusCode();
+            var s = await responseMessage.Content.ReadAsStringAsync();
+            var json = JsonDocument.Parse(s);
+            return json;
+        }
+
+        public static GetMenuResult Parse(string json)
+        {
+            GetMenuResult finalResult;
+            try
+            {
+                var jsonResult = JsonSerializer.Deserialize<GetMenuResultFull>(json);
+                if (jsonResult.menu == null || jsonResult.menu.button.Count == 0)
+                {
+                    throw new WeixinException(jsonResult.errmsg);
+                }
+
+                finalResult = GetMenuFromJsonResult(jsonResult);
+            }
+            catch (WeixinException)
+            {
+                finalResult = null;
+            }
+
+            return finalResult;
+        }
+
+        /// <summary>
+        /// 根据微信返回的Json数据得到可用的GetMenuResult结果
+        /// </summary>
+        /// <param name="resultFull"></param>
+        /// <returns></returns>
+        public static GetMenuResult GetMenuFromJsonResult(GetMenuResultFull resultFull)
+        {
+            GetMenuResult result = null;
+            try
+            {
+                //重新整理按钮信息
+                ButtonGroup bg = new ButtonGroup();
+                foreach (var rootButton in resultFull.menu.button)
+                {
+                    if (rootButton.name == null)
+                    {
+                        continue;//没有设置一级菜单
+                    }
+                    var availableSubButton = rootButton.sub_button.Count(z => !string.IsNullOrEmpty(z.name));//可用二级菜单按钮数量
+                    if (availableSubButton == 0)
+                    {
+                        //底部单击按钮
+                        if (rootButton.type == null ||
+                            (rootButton.type.Equals("CLICK", StringComparison.OrdinalIgnoreCase)
+                            && string.IsNullOrEmpty(rootButton.key)))
+                        {
+                            throw new WeixinException("单击按钮的key不能为空！");
+                        }
+
+                        if (rootButton.type.Equals("CLICK", StringComparison.OrdinalIgnoreCase))
+                        {
+                            //点击
+                            bg.button.Add(new ClickMenuButton()
+                            {
+                                name = rootButton.name,
+                                key = rootButton.key,
+                                type = rootButton.type
+                            });
+                        }
+                        else
+                        {
+                            //URL
+                            bg.button.Add(new ViewMenuButton()
+                            {
+                                name = rootButton.name,
+                                url = rootButton.url,
+                                type = rootButton.type
+                            });
+                        }
+                    }
+                    else if (availableSubButton < 2)
+                    {
+                        throw new WeixinException("子菜单至少需要填写2个！");
+                    }
+                    else
+                    {
+                        //底部二级菜单
+                        var subButton = new SubMenuButton(rootButton.name);
+                        bg.button.Add(subButton);
+
+                        foreach (var subSubButton in rootButton.sub_button)
+                        {
+                            if (subSubButton.name == null)
+                            {
+                                continue; //没有设置菜单
+                            }
+
+                            if (subSubButton.type.Equals("CLICK", StringComparison.OrdinalIgnoreCase)
+                                && string.IsNullOrEmpty(subSubButton.key))
+                            {
+                                throw new WeixinException("单击按钮的key不能为空！");
+                            }
+
+
+                            if (subSubButton.type.Equals("CLICK", StringComparison.OrdinalIgnoreCase))
+                            {
+                                //点击
+                                subButton.sub_button.Add(new ClickMenuButton()
+                                {
+                                    name = subSubButton.name,
+                                    key = subSubButton.key,
+                                    type = subSubButton.type
+                                });
+                            }
+                            else
+                            {
+                                //URL
+                                subButton.sub_button.Add(new ViewMenuButton()
+                                {
+                                    name = subSubButton.name,
+                                    url = subSubButton.url,
+                                    type = subSubButton.type
+                                });
+                            }
+                        }
+                    }
+                }
+
+                if (bg.button.Count < 2)
+                {
+                    throw new WeixinException("一级菜单按钮至少为2个！");
+                }
+
+                result = new GetMenuResult()
+                {
+                    menu = bg
+                };
+            }
+            catch (Exception ex)
+            {
+                throw new WeixinException(ex.Message, ex);
+            }
+            return result;
+        }
+
+        #endregion
+
+        /// <summary>
+        /// 删除菜单
+        /// </summary>
+        /// <param name="accessToken"></param>
+        /// <returns></returns>
+        public static async Task<WeixinErrorJson> DeleteMenu(string accessToken)
+        {
+            var url = string.Format("https://api.weixin.qq.com/cgi-bin/menu/delete?access_token={0}", accessToken);
+            var response = await new HttpClient().GetAsync(url);
+            response.EnsureSuccessStatusCode();
+            var json = await response.Content.ReadAsStringAsync();
+            return JsonSerializer.Deserialize<WeixinErrorJson>(json);
+        }
+    }
+}
diff --git a/src/Weixin/Basic/Events/Context/WeixinReceivedContext.cs b/src/Weixin/Basic/Events/Context/WeixinReceivedContext.cs
index a40d263..585196d 100644
--- a/src/Weixin/Basic/Events/Context/WeixinReceivedContext.cs
+++ b/src/Weixin/Basic/Events/Context/WeixinReceivedContext.cs
@@ -1,41 +1,50 @@
-namespace Myvas.AspNetCore.Weixin
-{
-    /// <summary>
-    /// Contains information about the login session as well as the user <see cref="System.Security.Claims.ClaimsIdentity"/>.
-    /// </summary>
-    public class WeixinReceivedContext<TEventArgs> //: BaseWeixinContext
-		where TEventArgs : ReceivedEventArgs
-	{
-		/// <summary>
-		/// Initializes a <see cref="WeixinMessageEventReceivedContext"/>
-		/// </summary>
-		/// <param name="context">The HTTP environment</param>
-		/// <param name="options">The options for Weixin</param>
-		/// <param name="sender">The sender respective for <see cref="MessageHandler{TC}}"/></param>
-		/// <param name="args"><see cref="TEventArgs"/></param>
-		public WeixinReceivedContext(
-			WeixinMessageHandler sender,
-			TEventArgs args,
-			bool needEncrypt)
-		{
-			Sender = sender;
-			Args = args;
-			NeedEncrypt = needEncrypt;
-		}
-
-		/// <summary>
-		/// Gets the sender
-		/// </summary>
-		public WeixinMessageHandler Sender { get; }
-
-		/// <summary>
-		/// Gets the event args
-		/// </summary>
-		public TEventArgs Args { get; }
-
-		/// <summary>
-		/// Gets whether WeixinMessageEncryptor is must.
-		/// </summary>
-		public bool NeedEncrypt { get; }
-	}
-}
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Http.Authentication;
+using Newtonsoft.Json.Linq;
+using System;
+using System.Collections.Generic;
+using System.Net.Http;
+using System.Security.Claims;
+using System.Text;
+
+namespace Myvas.AspNetCore.Weixin
+{
+    /// <summary>
+    /// Contains information about the login session as well as the user <see cref="System.Security.Claims.ClaimsIdentity"/>.
+    /// </summary>
+    public class WeixinReceivedContext<TEventArgs> //: BaseWeixinContext
+		where TEventArgs : ReceivedEventArgs
+	{
+		/// <summary>
+		/// Initializes a <see cref="WeixinMessageEventReceivedContext"/>
+		/// </summary>
+		/// <param name="context">The HTTP environment</param>
+		/// <param name="options">The options for Weixin</param>
+		/// <param name="sender">The sender respective for <see cref="MessageHandler{TC}}"/></param>
+		/// <param name="args"><see cref="TEventArgs"/></param>
+		public WeixinReceivedContext(
+			WeixinMessageHandler sender,
+			TEventArgs args,
+			bool needEncrypt)
+		{
+			Sender = sender;
+			Args = args;
+			NeedEncrypt = needEncrypt;
+		}
+
+		/// <summary>
+		/// Gets the sender
+		/// </summary>
+		public WeixinMessageHandler Sender { get; }
+
+		/// <summary>
+		/// Gets the event args
+		/// </summary>
+		public TEventArgs Args { get; }
+
+		/// <summary>
+		/// Gets whether WeixinMessageEncryptor is must.
+		/// </summary>
+		public bool NeedEncrypt { get; }
+	}
+}
diff --git a/src/Weixin/Builder/WeixinOptions.cs b/src/Weixin/Builder/WeixinOptions.cs
index 3f458db..c5674e2 100644
--- a/src/Weixin/Builder/WeixinOptions.cs
+++ b/src/Weixin/Builder/WeixinOptions.cs
@@ -1,8 +1,11 @@
-namespace Myvas.AspNetCore.Weixin
-{
-    public class WeixinOptions
-    {
-        public string AppId { get; set; }
-        public string AppSecret { get; set; }
-    }
-}
+using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.Http;
+
+namespace Myvas.AspNetCore.Weixin
+{
+    public class WeixinOptions
+    {
+        public string AppId { get; set; }
+        public string AppSecret { get; set; }
+    }
+}
diff --git a/src/Weixin/Extras/Extensions/MessageBase.Xml.cs b/src/Weixin/Extras/Extensions/MessageBase.Xml.cs
index d3beb03..2265c76 100644
--- a/src/Weixin/Extras/Extensions/MessageBase.Xml.cs
+++ b/src/Weixin/Extras/Extensions/MessageBase.Xml.cs
@@ -1,257 +1,256 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Reflection;
-using System.Xml.Linq;
-
-namespace Myvas.AspNetCore.Weixin
-{
-
-    internal static class Extensions
-    {
-        /// <summary>
-        /// 根据XML信息填充实实体
-        /// </summary>
-        /// <typeparam name="T">MessageBase为基类的类型，Response和Request都可以</typeparam>
-        /// <param name="entity">实体</param>
-        /// <param name="doc">XML</param>
-        public static void FillEntityWithXml<T>(this T entity, XDocument doc) where T : /*MessageBase*/ class, new()
-        {
-            entity = entity ?? new T();
-            var root = doc.Root;
-
-            var props = entity.GetType().GetProperties();
-            foreach (var prop in props)
-            {
-                var propName = prop.Name;
-                if (root.Element(propName) != null)
-                {
-                    if (prop.PropertyType == typeof(DateTime))
-                    {
-                        prop.SetValue(entity, WeixinTimestampHelper.ToLocalTime(root.Element(propName).Value), null);
-                    }
-                    else if (prop.PropertyType == typeof(Boolean) && (propName == "FuncFlag"))
-                    {
-                        prop.SetValue(entity, root.Element(propName).Value == "1", null);
-                    }
-                    else if (prop.PropertyType == typeof(Int32))
-                    {
-                        prop.SetValue(entity, int.Parse(root.Element(propName).Value), null);
-                    }
-                    else if (prop.PropertyType == typeof(Int64))
-                    {
-
-                        prop.SetValue(entity, long.Parse(root.Element(propName).Value), null);
-                    }
-                    else if (prop.PropertyType == typeof(Decimal))
-                    {
-                        prop.SetValue(entity, decimal.Parse(root.Element(propName).Value), null);
-                    }
-                    else if (prop.PropertyType == typeof(Double))
-                    {
-                        prop.SetValue(entity, double.Parse(root.Element(propName).Value), null);
-                    }
-                    else if (prop.PropertyType == typeof(ReceivedMsgType))
-                    {
-                        //已设为只读
-                        //prop.SetValue(entity, MsgTypeHelper.GetRequestMsgType(root.Element(propName).Value), null);
-                    }
-                    else if (prop.PropertyType == typeof(ResponseMsgType))
-                    {
-                        //已设为只读
-                        //prop.SetValue(entity, MsgTypeHelper.GetResponseMsgType(root.Element(propName).Value), null);
-                    }
-                    else if (prop.PropertyType == typeof(ReceivedEventType))
-                    {
-                        //已设为只读
-                        //prop.SetValue(entity, EventHelper.GetEventType(root.Element(propName).Value), null);
-                    }
-                    else if (prop.PropertyType == typeof(List<Article>))
-                    {
-                        //var genericArguments = prop.PropertyType.GetGenericArguments();
-                        //if (genericArguments[0].Name == "Article")//ResponseMessageNews适用
-                        {
-                            //文章下属节点item
-                            List<Article> articles = new List<Article>();
-                            foreach (var item in root.Element(propName).Elements("item"))
-                            {
-                                var article = new Article();
-                                FillEntityWithXml(article, new XDocument(item));
-                                articles.Add(article);
-                            }
-                            prop.SetValue(entity, articles, null);
-                        }
-                    }
-                    else if (prop.PropertyType == typeof(Music))
-                    {
-                        Music music = new Music();
-                        FillEntityWithXml(music, new XDocument(root.Element(propName)));
-                        prop.SetValue(entity, music, null);
-                    }
-                    else if (prop.PropertyType == typeof(Image))
-                    {
-                        Image image = new Image();
-                        FillEntityWithXml(image, new XDocument(root.Element(propName)));
-                        prop.SetValue(entity, image, null);
-                    }
-                    else if (prop.PropertyType == typeof(Voice))
-                    {
-                        Voice voice = new Voice();
-                        FillEntityWithXml(voice, new XDocument(root.Element(propName)));
-                        prop.SetValue(entity, voice, null);
-                    }
-                    else if (prop.PropertyType == typeof(Video))
-                    {
-                        Video video = new Video();
-                        FillEntityWithXml(video, new XDocument(root.Element(propName)));
-                        prop.SetValue(entity, video, null);
-                    }
-                    else
-                    {
-                        prop.SetValue(entity, root.Element(propName).Value, null);
-                    }
-                }
-            }
-        }
-
-        /// <summary>
-        /// 将实体转为XML
-        /// </summary>
-        /// <typeparam name="T">RequestMessage或ResponseMessage</typeparam>
-        /// <param name="entity">实体</param>
-        /// <returns></returns>
-        public static XDocument ConvertEntityToXml<T>(this T entity) where T : class , new()
-        {
-            entity = entity ?? new T();
-            var doc = new XDocument();
-            doc.Add(new XElement("xml"));
-            var root = doc.Root;
-
-            /* 注意！
-             * 经过测试，微信对字段排序有严格要求，这里对排序进行强制约束
-            */
-            var propNameOrder = new List<string>() { "ToUserName", "FromUserName", "CreateTime", "MsgType" };
-            //不同返回类型需要对应不同特殊格式的排序
-            if (entity is ResponseMessageNews)
-            {
-                propNameOrder.AddRange(new[] { "ArticleCount", "Articles", "FuncFlag",/*以下是Atricle属性*/ "Title ", "Description ", "PicUrl", "Url" });
-            }
-            else if (entity is ResponseMessageMusic)
-            {
-                propNameOrder.AddRange(new[] { "Music", "FuncFlag", "ThumbMediaId",/*以下是Music属性*/ "Title ", "Description ", "MusicUrl", "HQMusicUrl" });
-            }
-            else if (entity is ResponseMessageImage)
-            {
-                propNameOrder.AddRange(new[] { "Image",/*以下是Image属性*/ "MediaId " });
-            }
-            else if (entity is ResponseMessageVoice)
-            {
-                propNameOrder.AddRange(new[] { "Voice",/*以下是Voice属性*/ "MediaId " });
-            }
-            else if (entity is ResponseMessageVideo)
-            {
-                propNameOrder.AddRange(new[] { "Video",/*以下是Video属性*/ "MediaId ", "Title", "Description" });
-            }
-            else
-            {
-                //如Text类型
-                propNameOrder.AddRange(new[] { "Content", "FuncFlag" });
-            }
-
-            Func<string, int> orderByPropName = propNameOrder.IndexOf;
-
-            var props = entity.GetType().GetProperties().OrderBy(p => orderByPropName(p.Name)).ToList();
-            foreach (var prop in props)
-            {
-                var propName = prop.Name;
-                if (propName == "Articles")
-                {
-                    //文章列表
-                    var atriclesElement = new XElement("Articles");
-                    var articales = prop.GetValue(entity, null) as List<Article>;
-                    foreach (var articale in articales)
-                    {
-                        var subNodes = ConvertEntityToXml(articale).Root.Elements();
-                        atriclesElement.Add(new XElement("item", subNodes));
-                    }
-                    root.Add(atriclesElement);
-                }
-                else if (propName == "Music" || propName == "Image" || propName == "Video" || propName == "Voice")
-                {
-                    //音乐、图片、视频、语音格式
-                    var musicElement = new XElement(propName);
-                    var media = prop.GetValue(entity, null);// as Music;
-                    var subNodes = ConvertEntityToXml(media).Root.Elements();
-                    musicElement.Add(subNodes);
-                    root.Add(musicElement);
-                }
-                else
-                {
-                    switch (prop.PropertyType.Name)
-                    {
-                        case "String":
-                            root.Add(new XElement(propName,
-                                                  new XCData(prop.GetValue(entity, null) as string ?? "")));
-                            break;
-                        case "DateTime":
-                            root.Add(new XElement(propName, WeixinTimestampHelper.FromBeijingTime((DateTime)prop.GetValue(entity, null))));
-                            break;
-                        case "Boolean":
-                            if (propName == "FuncFlag")
-                            {
-                                root.Add(new XElement(propName, (bool)prop.GetValue(entity, null) ? "1" : "0"));
-                            }
-                            else
-                            {
-                                goto default;
-                            }
-                            break;
-                        case "ResponseMsgType":
-                            root.Add(new XElement(propName, new XCData(prop.GetValue(entity, null).ToString().ToLower())));
-                            break;
-                        case "Article":
-                            root.Add(new XElement(propName, prop.GetValue(entity, null).ToString().ToLower()));
-                            break;
-                        default:
-                            root.Add(new XElement(propName, prop.GetValue(entity, null)));
-                            break;
-                    }
-                }
-            }
-            return doc;
-        }
-
-        /// <summary>
-        /// 将实体转为XML字符串
-        /// </summary>
-        /// <typeparam name="T">RequestMessage或ResponseMessage</typeparam>
-        /// <param name="entity">实体</param>
-        /// <returns></returns>
-        public static string ConvertEntityToXmlString<T>(this T entity) where T : class , new()
-        {
-            return entity.ConvertEntityToXml().ToString();
-        }
-
-        /// <summary>
-        /// ResponseMessageBase.CreateFromRequestMessage<T>(requestMessage)的扩展方法
-        /// </summary>
-        /// <typeparam name="T">需要生成的ResponseMessage类型</typeparam>
-        /// <param name="requestMessage">IRequestMessageBase接口下的接收信息类型</param>
-        /// <returns></returns>
-        public static T CreateResponseMessage<T>(this IRequestMessageBase requestMessage) where T : ResponseMessageBase
-        {
-            return ResponseMessageBase.CreateFromRequestMessage<T>(requestMessage);
-        }
-
-        /// <summary>
-        /// ResponseMessageBase.CreateFromResponseXml(xml)的扩展方法
-        /// </summary>
-        /// <param name="xml">返回给服务器的Response Xml</param>
-        /// <returns></returns>
-        public static IResponseMessageBase CreateResponseMessage(this string xml)
-        {
-            return ResponseMessageBase.CreateFromResponseXml(xml);
-        }
-    }
-
-}
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+using System.Xml.Linq;
+
+namespace Myvas.AspNetCore.Weixin
+{
+    internal static class Extensions
+    {
+        /// <summary>
+        /// 根据XML信息填充实实体
+        /// </summary>
+        /// <typeparam name="T">MessageBase为基类的类型，Response和Request都可以</typeparam>
+        /// <param name="entity">实体</param>
+        /// <param name="doc">XML</param>
+        public static void FillEntityWithXml<T>(this T entity, XDocument doc) where T : /*MessageBase*/ class, new()
+        {
+            entity = entity ?? new T();
+            var root = doc.Root;
+
+            var props = entity.GetType().GetProperties();
+            foreach (var prop in props)
+            {
+                var propName = prop.Name;
+                if (root.Element(propName) != null)
+                {
+                    if (prop.PropertyType == typeof(DateTime))
+                    {
+                        prop.SetValue(entity, WeixinTimestampHelper.ToLocalTime(root.Element(propName).Value), null);
+                    }
+                    else if (prop.PropertyType == typeof(Boolean) && (propName == "FuncFlag"))
+                    {
+                        prop.SetValue(entity, root.Element(propName).Value == "1", null);
+                    }
+                    else if (prop.PropertyType == typeof(Int32))
+                    {
+                        prop.SetValue(entity, int.Parse(root.Element(propName).Value), null);
+                    }
+                    else if (prop.PropertyType == typeof(Int64))
+                    {
+
+                        prop.SetValue(entity, long.Parse(root.Element(propName).Value), null);
+                    }
+                    else if (prop.PropertyType == typeof(Decimal))
+                    {
+                        prop.SetValue(entity, decimal.Parse(root.Element(propName).Value), null);
+                    }
+                    else if (prop.PropertyType == typeof(Double))
+                    {
+                        prop.SetValue(entity, double.Parse(root.Element(propName).Value), null);
+                    }
+                    else if (prop.PropertyType == typeof(ReceivedMsgType))
+                    {
+                        //已设为只读
+                        //prop.SetValue(entity, MsgTypeHelper.GetRequestMsgType(root.Element(propName).Value), null);
+                    }
+                    else if (prop.PropertyType == typeof(ResponseMsgType))
+                    {
+                        //已设为只读
+                        //prop.SetValue(entity, MsgTypeHelper.GetResponseMsgType(root.Element(propName).Value), null);
+                    }
+                    else if (prop.PropertyType == typeof(ReceivedEventType))
+                    {
+                        //已设为只读
+                        //prop.SetValue(entity, EventHelper.GetEventType(root.Element(propName).Value), null);
+                    }
+                    else if (prop.PropertyType == typeof(List<Article>))
+                    {
+                        //var genericArguments = prop.PropertyType.GetGenericArguments();
+                        //if (genericArguments[0].Name == "Article")//ResponseMessageNews适用
+                        {
+                            //文章下属节点item
+                            List<Article> articles = new List<Article>();
+                            foreach (var item in root.Element(propName).Elements("item"))
+                            {
+                                var article = new Article();
+                                FillEntityWithXml(article, new XDocument(item));
+                                articles.Add(article);
+                            }
+                            prop.SetValue(entity, articles, null);
+                        }
+                    }
+                    else if (prop.PropertyType == typeof(Music))
+                    {
+                        Music music = new Music();
+                        FillEntityWithXml(music, new XDocument(root.Element(propName)));
+                        prop.SetValue(entity, music, null);
+                    }
+                    else if (prop.PropertyType == typeof(Image))
+                    {
+                        Image image = new Image();
+                        FillEntityWithXml(image, new XDocument(root.Element(propName)));
+                        prop.SetValue(entity, image, null);
+                    }
+                    else if (prop.PropertyType == typeof(Voice))
+                    {
+                        Voice voice = new Voice();
+                        FillEntityWithXml(voice, new XDocument(root.Element(propName)));
+                        prop.SetValue(entity, voice, null);
+                    }
+                    else if (prop.PropertyType == typeof(Video))
+                    {
+                        Video video = new Video();
+                        FillEntityWithXml(video, new XDocument(root.Element(propName)));
+                        prop.SetValue(entity, video, null);
+                    }
+                    else
+                    {
+                        prop.SetValue(entity, root.Element(propName).Value, null);
+                    }
+                }
+            }
+        }
+
+        /// <summary>
+        /// 将实体转为XML
+        /// </summary>
+        /// <typeparam name="T">RequestMessage或ResponseMessage</typeparam>
+        /// <param name="entity">实体</param>
+        /// <returns></returns>
+        public static XDocument ConvertEntityToXml<T>(this T entity) where T : class , new()
+        {
+            entity = entity ?? new T();
+            var doc = new XDocument();
+            doc.Add(new XElement("xml"));
+            var root = doc.Root;
+
+            /* 注意！
+             * 经过测试，微信对字段排序有严格要求，这里对排序进行强制约束
+            */
+            var propNameOrder = new List<string>() { "ToUserName", "FromUserName", "CreateTime", "MsgType" };
+            //不同返回类型需要对应不同特殊格式的排序
+            if (entity is ResponseMessageNews)
+            {
+                propNameOrder.AddRange(new[] { "ArticleCount", "Articles", "FuncFlag",/*以下是Atricle属性*/ "Title ", "Description ", "PicUrl", "Url" });
+            }
+            else if (entity is ResponseMessageMusic)
+            {
+                propNameOrder.AddRange(new[] { "Music", "FuncFlag", "ThumbMediaId",/*以下是Music属性*/ "Title ", "Description ", "MusicUrl", "HQMusicUrl" });
+            }
+            else if (entity is ResponseMessageImage)
+            {
+                propNameOrder.AddRange(new[] { "Image",/*以下是Image属性*/ "MediaId " });
+            }
+            else if (entity is ResponseMessageVoice)
+            {
+                propNameOrder.AddRange(new[] { "Voice",/*以下是Voice属性*/ "MediaId " });
+            }
+            else if (entity is ResponseMessageVideo)
+            {
+                propNameOrder.AddRange(new[] { "Video",/*以下是Video属性*/ "MediaId ", "Title", "Description" });
+            }
+            else
+            {
+                //如Text类型
+                propNameOrder.AddRange(new[] { "Content", "FuncFlag" });
+            }
+
+            Func<string, int> orderByPropName = propNameOrder.IndexOf;
+
+            var props = entity.GetType().GetProperties().OrderBy(p => orderByPropName(p.Name)).ToList();
+            foreach (var prop in props)
+            {
+                var propName = prop.Name;
+                if (propName == "Articles")
+                {
+                    //文章列表
+                    var atriclesElement = new XElement("Articles");
+                    var articales = prop.GetValue(entity, null) as List<Article>;
+                    foreach (var articale in articales)
+                    {
+                        var subNodes = ConvertEntityToXml(articale).Root.Elements();
+                        atriclesElement.Add(new XElement("item", subNodes));
+                    }
+                    root.Add(atriclesElement);
+                }
+                else if (propName == "Music" || propName == "Image" || propName == "Video" || propName == "Voice")
+                {
+                    //音乐、图片、视频、语音格式
+                    var musicElement = new XElement(propName);
+                    var media = prop.GetValue(entity, null);// as Music;
+                    var subNodes = ConvertEntityToXml(media).Root.Elements();
+                    musicElement.Add(subNodes);
+                    root.Add(musicElement);
+                }
+                else
+                {
+                    switch (prop.PropertyType.Name)
+                    {
+                        case "String":
+                            root.Add(new XElement(propName,
+                                                  new XCData(prop.GetValue(entity, null) as string ?? "")));
+                            break;
+                        case "DateTime":
+                            root.Add(new XElement(propName, WeixinTimestampHelper.FromBeijingTime((DateTime)prop.GetValue(entity, null))));
+                            break;
+                        case "Boolean":
+                            if (propName == "FuncFlag")
+                            {
+                                root.Add(new XElement(propName, (bool)prop.GetValue(entity, null) ? "1" : "0"));
+                            }
+                            else
+                            {
+                                goto default;
+                            }
+                            break;
+                        case "ResponseMsgType":
+                            root.Add(new XElement(propName, new XCData(prop.GetValue(entity, null).ToString().ToLower())));
+                            break;
+                        case "Article":
+                            root.Add(new XElement(propName, prop.GetValue(entity, null).ToString().ToLower()));
+                            break;
+                        default:
+                            root.Add(new XElement(propName, prop.GetValue(entity, null)));
+                            break;
+                    }
+                }
+            }
+            return doc;
+        }
+
+        /// <summary>
+        /// 将实体转为XML字符串
+        /// </summary>
+        /// <typeparam name="T">RequestMessage或ResponseMessage</typeparam>
+        /// <param name="entity">实体</param>
+        /// <returns></returns>
+        public static string ConvertEntityToXmlString<T>(this T entity) where T : class , new()
+        {
+            return entity.ConvertEntityToXml().ToString();
+        }
+
+        /// <summary>
+        /// ResponseMessageBase.CreateFromRequestMessage<T>(requestMessage)的扩展方法
+        /// </summary>
+        /// <typeparam name="T">需要生成的ResponseMessage类型</typeparam>
+        /// <param name="requestMessage">IRequestMessageBase接口下的接收信息类型</param>
+        /// <returns></returns>
+        public static T CreateResponseMessage<T>(this IRequestMessageBase requestMessage) where T : ResponseMessageBase
+        {
+            return ResponseMessageBase.CreateFromRequestMessage<T>(requestMessage);
+        }
+
+        /// <summary>
+        /// ResponseMessageBase.CreateFromResponseXml(xml)的扩展方法
+        /// </summary>
+        /// <param name="xml">返回给服务器的Response Xml</param>
+        /// <returns></returns>
+        public static IResponseMessageBase CreateResponseMessage(this string xml)
+        {
+            return ResponseMessageBase.CreateFromResponseXml(xml);
+        }
+    }
+
+}
diff --git a/src/Weixin/Myvas.AspNetCore.Weixin.csproj b/src/Weixin/Myvas.AspNetCore.Weixin.csproj
index cd05e49..01b79ba 100644
--- a/src/Weixin/Myvas.AspNetCore.Weixin.csproj
+++ b/src/Weixin/Myvas.AspNetCore.Weixin.csproj
@@ -1,19 +1,19 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-  <PropertyGroup>
-    <TargetFrameworks>netcoreapp3.1</TargetFrameworks>
-    <PackageId>Myvas.AspNetCore.Weixin</PackageId>
-    <Version>3.1.100.5</Version>
-    <PackageLicenseExpression>MIT</PackageLicenseExpression>
-    <AssemblyName>Myvas.AspNetCore.Weixin</AssemblyName>
-    <Authors>Myvas</Authors>
-    <Description>An AspNetCore middleware for Tencent Weixin(aka. Wechat) message handler and apis.</Description>
-    <PackageProjectUrl>https://github.com/myvas/AspNetCore.Weixin</PackageProjectUrl>
-    <PackageTags>myvas;AspNetCore;Weixin</PackageTags>
-    <RepositoryUrl>https://github.com/myvas/AspNetCore.Weixin</RepositoryUrl>
-  </PropertyGroup>
-
-  <ItemGroup>
-    <PackageReference Include="Microsoft.AspNetCore.TestHost" Version="3.1.0" />
-  </ItemGroup>
-</Project>
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFrameworks>netcoreapp3.1</TargetFrameworks>
+    <PackageId>Myvas.AspNetCore.Weixin</PackageId>
+    <Version>3.1.100.5</Version>
+    <PackageLicenseExpression>MIT</PackageLicenseExpression>
+    <AssemblyName>Myvas.AspNetCore.Weixin</AssemblyName>
+    <Authors>Myvas</Authors>
+    <Description>An AspNetCore middleware for Tencent Weixin(aka. Wechat) message handler and apis.</Description>
+    <PackageProjectUrl>https://github.com/myvas/AspNetCore.Weixin</PackageProjectUrl>
+    <PackageTags>myvas;AspNetCore;Weixin</PackageTags>
+    <RepositoryUrl>https://github.com/myvas/AspNetCore.Weixin</RepositoryUrl>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.AspNetCore.TestHost" Version="3.1.0" />
+  </ItemGroup>
+</Project>
\ No newline at end of file
diff --git a/src/Weixin/WelcomePage/MessageProtection/WeixinMessageEncodingTypes.cs b/src/Weixin/WelcomePage/MessageProtection/WeixinMessageEncodingTypes.cs
index c43187f..0c03b7c 100644
--- a/src/Weixin/WelcomePage/MessageProtection/WeixinMessageEncodingTypes.cs
+++ b/src/Weixin/WelcomePage/MessageProtection/WeixinMessageEncodingTypes.cs
@@ -1,9 +1,11 @@
-namespace Myvas.AspNetCore.Weixin
-{
-    public static class WeixinMessageEncodingTypes
-	{
-		public const string Compatible = "Compatible";
-		public const string Clear = "Clear";
-		public const string Encrypted = "Encrypted";
-	}
-}
+using Microsoft.AspNetCore.Http;
+
+namespace Myvas.AspNetCore.Weixin
+{
+    public static class WeixinMessageEncodingTypes
+	{
+		public const string Compatible = "Compatible";
+		public const string Clear = "Clear";
+		public const string Encrypted = "Encrypted";
+	}
+}