diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..97932f0
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,19 @@
+Copyright (C) 2012 by Kyle Fang
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/README.md b/README.md
index c262200..5c84539 100644
--- a/README.md
+++ b/README.md
@@ -35,7 +35,28 @@ all of its delegate method are optional.
 [ZGPullDragTableView]: https://github.com/zhigang1992/ZGPullDragTableView
 
 
-####Licsen-MIT
 ####Contact:
   * [@F_ZG](http://twitter.com/F_ZG)
   * [zhigang1992@gmail.com]
+
+
+####Licsen-MIT
+Copyright (C) 2012 by Kyle Fang
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/ZGPullDragTableView.podspec b/ZGPullDragTableView.podspec
index a95152f..19063d8 100644
--- a/ZGPullDragTableView.podspec
+++ b/ZGPullDragTableView.podspec
@@ -38,11 +38,12 @@ all of its delegate method are optional.
                    DESC
   s.homepage     = "https://github.com/zhigang1992/ZGPullDragTableView"
 
-  s.license      = 'MIT'
+  s.license      = { :type => 'MIT', :file => 'LICENSE' }
   s.author       = { "Kyle Fang" => "zhigang1992@gmail.com" }
   s.source       = { :git => "https://github.com/zhigang1992/ZGPullDragTableView.git", :tag => "0.0.1" }
   s.platform     = :ios, '5.0'
   s.source_files = 'Classes', 'ZGPullDragTableViewClass/**/*.{h,m}'
 
   s.public_header_files = 'ZGPullDragTableViewClass/**/*.h'
+  s.requires_arc = true
 end