diff --git a/README.md b/README.md
index adbc821d..8d880c36 100644
--- a/README.md
+++ b/README.md
@@ -1,23 +1,21 @@
 # oicq
 
-[![npm version](https://img.shields.io/npm/v/oicq/beta.svg)](https://www.npmjs.com/package/oicq)
+[![npm version](https://img.shields.io/npm/v/oicq/latest.svg)](https://www.npmjs.com/package/oicq)
 [![dm](https://shields.io/npm/dm/oicq)](https://www.npmjs.com/package/oicq)
-[![node engine](https://img.shields.io/node/v/oicq/beta.svg)](https://nodejs.org)
+[![node engine](https://img.shields.io/node/v/oicq/latest.svg)](https://nodejs.org)
 [![discord](https://img.shields.io/static/v1?label=chat&message=on%20discord&color=7289da&logo=discord)](https://discord.gg/gKnU7BARzv)
 
 * QQ(安卓)协议基于Node.js的实现，支持最低node版本为 v14
 * 若你不熟悉Node.js或不会组织代码，可通过 [template](https://github.com/takayama-lily/oicq-template) 创建一个简单的应用程序
 * [API Reference](#api-reference) / [Type Docs](https://takayama-lily.github.io/oicq/)
-* [从v1.x升级](https://github.com/takayama-lily/oicq/projects/3#column-16638290)
+* [从v1.x升级](https://github.com/takayama-lily/oicq/projects/3#column-16638290) (v1在master分支)
 
 ----
 
 **Install:**
 
-> 此分支(v2.0)暂时处于beta状态
-
 ```bash
-> npm i oicq@beta  # or > yarn add oicq@beta
+> npm i oicq  # or > yarn add oicq
 ```
 
 **Usage:**
@@ -28,12 +26,12 @@ const account = 147258369
 const client = createClient(account)
 
 client.on("system.online", () => console.log("Logged in!"))
-client.on("message", msg => {
-  console.log(msg)
-  msg.reply("hello world")
+client.on("message", e => {
+  console.log(e)
+  e.reply("hello world", true) //true表示引用对方的消息
 })
 
-client.on("system.login.qrcode", function (event) {
+client.on("system.login.qrcode", function (e) {
   //扫码后按回车登录
   process.stdin.once("data", () => {
     this.login()
@@ -146,7 +144,7 @@ client.on("system.login.qrcode", function (event) {
 
 ### Class: Group
 
-> 所有的`notice.group`和`message.group`事件中含有此实例
+> 所有的`notice.group`和`message.group`事件的上报数据中含有此实例 (`e.group`访问)
 
 |Method|Description|
 |-|-|
@@ -212,7 +210,7 @@ client.on("system.login.qrcode", function (event) {
 ### Class: Friend
 
 > 继承 [User](#class-user) 的所有方法和属性  
-> 所有的`notice.friend`和`message.private`事件中含有此实例
+> 所有的`notice.friend`和`message.private`事件中含有此实例 (`e.friend`访问)
 
 |Method|Description|
 |-|-|
@@ -235,7 +233,7 @@ client.on("system.login.qrcode", function (event) {
 ### Class: Member
 
 > 继承 [User](#class-user) 的所有方法和属性  
-> 所有的`message.group`事件中含有此实例
+> 所有的`message.group`事件中含有此实例 (`e.member`访问)
 
 |Method|Description|
 |-|-|
diff --git a/lib/index.ts b/lib/index.ts
index f9fd0299..e297d191 100644
--- a/lib/index.ts
+++ b/lib/index.ts
@@ -10,7 +10,7 @@ export { Message, PrivateMessage, GroupMessage, DiscussMessage, ForwardMessage,
 	MusicPlatform, Sendable, Anonymous, MessageElem, FileElem, ReplyElem,
 	TextElem, AtElem, FaceElem, BfaceElem, MfaceElem, ImageElem, MiraiElem,
 	FlashElem, PttElem, VideoElem, XmlElem, JsonElem, ShareElem, LocationElem, PokeElem,
-	parseDmMessageId, parseGroupMessageId, parseImageFileParam, segment } from "./message"
+	parseDmMessageId, parseGroupMessageId, parseImageFileParam, getGroupImageUrl, segment } from "./message"
 export { PrivateMessageEvent, GroupMessageEvent, DiscussMessageEvent, MessageRet,
 	MessageEvent, RequestEvent, FriendNoticeEvent, GroupNoticeEvent,
 	FriendRequestEvent, GroupRequestEvent, GroupInviteEvent, EventMap,
@@ -19,7 +19,3 @@ export { PrivateMessageEvent, GroupMessageEvent, DiscussMessageEvent, MessageRet
 	GroupAdminEvent, GroupMuteEvent, GroupTransferEvent } from "./events"
 export { ApiRejection, Device, Apk, Platform, Domain } from "./core"
 export * as core from "./core"
-
-export function getGroupImageUrl(md5: string) {
-	return `https://gchat.qpic.cn/gchatpic_new/0/0-0-${md5.toUpperCase()}/0`
-}
diff --git a/lib/message/index.ts b/lib/message/index.ts
index ed45da6c..c42c76a6 100644
--- a/lib/message/index.ts
+++ b/lib/message/index.ts
@@ -2,4 +2,5 @@ export * from "./message"
 export * from "./elements"
 export * from "./image"
 export * from "./converter"
+export * from "./parser"
 export * from "./music"
diff --git a/lib/message/parser.ts b/lib/message/parser.ts
index e6ea83e5..5b93c029 100644
--- a/lib/message/parser.ts
+++ b/lib/message/parser.ts
@@ -314,7 +314,7 @@ export class Parser {
 			elem = {
 				type,
 				file: buildImageFileParam(proto[13].toHex(), proto[25], proto[22], proto[23], proto[20]),
-				url: proto[16] ? `https://gchat.qpic.cn${proto[16]}` : `https://gchat.qpic.cn/gchatpic_new/0/0-0-${proto[13].toHex().toUpperCase()}/0`,
+				url: proto[16] ? `https://gchat.qpic.cn${proto[16]}` : getGroupImageUrl(proto[13].toHex()),
 			}
 			if (elem.type === "image")
 				elem.asface = proto[34]?.[1] === 1
@@ -322,3 +322,7 @@ export class Parser {
 		return elem
 	}
 }
+
+export function getGroupImageUrl(md5: string) {
+	return `https://gchat.qpic.cn/gchatpic_new/0/0-0-${md5.toUpperCase()}/0`
+}
diff --git a/package.json b/package.json
index 68f466f6..222a5506 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "oicq",
-  "version": "2.1.2-beta",
-  "upday": "2021/11/01",
+  "version": "2.1.3",
+  "upday": "2021/11/07",
   "description": "QQ protocol!",
   "main": "lib/index.js",
   "types": "lib/index.d.ts",