diff --git a/.swift-version b/.swift-version
new file mode 100644
index 0000000..9f55b2c
--- /dev/null
+++ b/.swift-version
@@ -0,0 +1 @@
+3.0
diff --git a/demo/Podfile.lock b/demo/Podfile.lock
new file mode 100644
index 0000000..d847e44
--- /dev/null
+++ b/demo/Podfile.lock
@@ -0,0 +1,23 @@
+PODS:
+  - CocoaAsyncSocket (7.6.1)
+  - CocoaLumberjack (3.2.0):
+    - CocoaLumberjack/Default (= 3.2.0)
+    - CocoaLumberjack/Extensions (= 3.2.0)
+  - CocoaLumberjack/Default (3.2.0)
+  - CocoaLumberjack/Extensions (3.2.0):
+    - CocoaLumberjack/Default
+  - KSYMediaPlayer_iOS (2.2.0)
+
+DEPENDENCIES:
+  - CocoaAsyncSocket
+  - CocoaLumberjack
+  - KSYMediaPlayer_iOS
+
+SPEC CHECKSUMS:
+  CocoaAsyncSocket: 7eadd3f59e1a6c84e2aefc93e9ff7b55156fe174
+  CocoaLumberjack: 9b4aed7073d242f29cc2f62068d995faf67f703a
+  KSYMediaPlayer_iOS: c51d5440bfd17b4caea3c53a3b34ba1af42d97c5
+
+PODFILE CHECKSUM: 176926f0f0dd92a6d60406808337bc1af03f61a1
+
+COCOAPODS: 1.2.1
diff --git a/demo/demo.xcworkspace/contents.xcworkspacedata b/demo/demo.xcworkspace/contents.xcworkspacedata
new file mode 100644
index 0000000..b72a852
--- /dev/null
+++ b/demo/demo.xcworkspace/contents.xcworkspacedata
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "group:demo.xcodeproj">
+   </FileRef>
+   <FileRef
+      location = "group:Pods/Pods.xcodeproj">
+   </FileRef>
+</Workspace>
diff --git a/ksyhttpcache_ios.podspec b/ksyhttpcache_ios.podspec
new file mode 100644
index 0000000..3e3adf5
--- /dev/null
+++ b/ksyhttpcache_ios.podspec
@@ -0,0 +1,27 @@
+
+Pod::Spec.new do |s|
+  s.name         = 'ksyhttpcache_ios'
+  s.version      = '1.0.3'
+  s.license      = {
+:type => 'Proprietary',
+:text => <<-LICENSE
+      Copyright 2015 kingsoft Ltd. All rights reserved.
+      LICENSE
+  }
+  s.homepage     = 'https://github.com/ksvc/ksyhttpcache_ios'
+  s.authors      = { 'ksyun' => 'zengfanping@kingsoft.com' }
+  s.summary      = 'KSYHTTPCache 金山云iOS平台http缓存SDK.'
+  s.description  = <<-DESC
+      * 金山云ios平台http缓存SDK，可方便地与播放器集成，实现http视频边播放边下载（缓存）功能。
+      * ksyun http cache sdk for ios platform, it's easy to integrated with media players to provide caching capability when watching http videos.
+  DESC
+  s.platform     = :ios, '7.0'
+  s.requires_arc = true
+  s.source       = { 
+    :git => 'https://github.com/ksvc/ksyhttpcache_ios.git', 
+    :tag => 'v'+s.version.to_s 
+  }
+  s.dependency 'CocoaAsyncSocket'
+  s.dependency 'CocoaLumberjack'
+  s.vendored_frameworks = 'framework/KSYHTTPCache.framework'
+end