test
diff --git a/.travis.yml b/.travis.yml
index fdc1e26..5f3fe73 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -62,6 +62,12 @@
         fi
         ;;
       "ios")
+        echo "ios/Pods/WeexSDK/weex_core/Source/core/common/view_utils.h"
+        cat ios/Pods/WeexSDK/weex_core/Source/core/common/view_utils.h | while read line
+        do
+            echo $line
+        done
+
         hasIosFile=$(npm run danger -- run --dangerfile ./dangerfile-ios.js)
         echo "The value of hasIosFile is ${hasIosFile}"
         if [[ "$hasIosFile" =~ "hasIosFile" ]]; then
diff --git a/ios/Podfile b/ios/Podfile
index cc83427..46e047b 100644
--- a/ios/Podfile
+++ b/ios/Podfile
@@ -3,14 +3,14 @@
 #inhibit_all_warnings!
 
 
-def common
+def common   
     # check if weex-playground is a submodule
     if File.file?('../../.gitmodules') && File.readlines('../../.gitmodules').grep(/submodule \"weex-playground\"/).size > 0
     	pod 'WeexSDK', :path => '../../'
     else
         pod 'WeexSDK', :git => 'https://github.com/apache/incubator-weex.git'
     end
-    
+
     pod 'WXDevtool','0.20.0'
     pod 'SDWebImage', '3.7.5'
     pod 'SDWebImage/WebP'
diff --git a/ios/Podfile.lock b/ios/Podfile.lock
deleted file mode 100644
index 5eb3930..0000000
--- a/ios/Podfile.lock
+++ /dev/null
@@ -1,84 +0,0 @@
-PODS:
-  - ATSDK-Weex (0.0.1)
-  - BindingX (1.0.3):
-    - WeexPluginLoader
-    - WeexSDK
-  - libwebp (1.0.2):
-    - libwebp/core (= 1.0.2)
-    - libwebp/dec (= 1.0.2)
-    - libwebp/demux (= 1.0.2)
-    - libwebp/dsp (= 1.0.2)
-    - libwebp/enc (= 1.0.2)
-    - libwebp/mux (= 1.0.2)
-    - libwebp/utils (= 1.0.2)
-    - libwebp/webp (= 1.0.2)
-  - libwebp/core (1.0.2):
-    - libwebp/webp
-  - libwebp/dec (1.0.2):
-    - libwebp/core
-  - libwebp/demux (1.0.2):
-    - libwebp/core
-  - libwebp/dsp (1.0.2):
-    - libwebp/core
-  - libwebp/enc (1.0.2):
-    - libwebp/core
-  - libwebp/mux (1.0.2):
-    - libwebp/core
-  - libwebp/utils (1.0.2):
-    - libwebp/core
-  - libwebp/webp (1.0.2)
-  - SDWebImage (3.7.5):
-    - SDWebImage/Core (= 3.7.5)
-  - SDWebImage/Core (3.7.5)
-  - SDWebImage/WebP (3.7.5):
-    - libwebp
-    - SDWebImage/Core
-  - SocketRocket (0.4.2)
-  - WeexPluginLoader (0.0.1.9.1):
-    - WeexSDK
-  - WeexSDK (0.26.0)
-  - WXDevtool (0.20.0):
-    - SocketRocket
-    - WeexSDK
-
-DEPENDENCIES:
-  - ATSDK-Weex (= 0.0.1)
-  - BindingX (= 1.0.3)
-  - SDWebImage (= 3.7.5)
-  - SDWebImage/WebP
-  - SocketRocket (= 0.4.2)
-  - WeexSDK (from `https://github.com/apache/incubator-weex.git`)
-  - WXDevtool (= 0.20.0)
-
-SPEC REPOS:
-  https://github.com/cocoapods/specs.git:
-    - ATSDK-Weex
-    - BindingX
-    - libwebp
-    - SDWebImage
-    - SocketRocket
-    - WeexPluginLoader
-    - WXDevtool
-
-EXTERNAL SOURCES:
-  WeexSDK:
-    :git: https://github.com/apache/incubator-weex.git
-
-CHECKOUT OPTIONS:
-  WeexSDK:
-    :commit: 72c51f0763e24c9753d2935009da768e63ecf1ca
-    :git: https://github.com/apache/incubator-weex.git
-
-SPEC CHECKSUMS:
-  ATSDK-Weex: 1b27558f4336d77fb97704d34fc6ad1fd468592c
-  BindingX: b3c6c1c5dcd8e50277cfc5daad09d7010c227524
-  libwebp: b068a3bd7c45f7460f6715be7bed1a18fd5d6b48
-  SDWebImage: 69c6303e3348fba97e03f65d65d4fbc26740f461
-  SocketRocket: ffe08119b00ef982f6c37052a4705a057c8494ad
-  WeexPluginLoader: 85c1304f8ba29864e58531614a0acfeceef1b85c
-  WeexSDK: 5ef01c4ea4e94eba8be48b92c825b5668b30cfa0
-  WXDevtool: 833dd3e835df1f5f278fc8865c865d48196bfdab
-
-PODFILE CHECKSUM: 443561ccc3fb5ed92bd187a9a211ab82b55bfda8
-
-COCOAPODS: 1.7.4
diff --git a/ios/WeexDemo.xcworkspace/xcuserdata/wangrenmin.xcuserdatad/UserInterfaceState.xcuserstate b/ios/WeexDemo.xcworkspace/xcuserdata/wangrenmin.xcuserdatad/UserInterfaceState.xcuserstate
index 9d9fb2a..eae7233 100644
--- a/ios/WeexDemo.xcworkspace/xcuserdata/wangrenmin.xcuserdatad/UserInterfaceState.xcuserstate
+++ b/ios/WeexDemo.xcworkspace/xcuserdata/wangrenmin.xcuserdatad/UserInterfaceState.xcuserstate
Binary files differ
diff --git a/ios/WeexDemo/extend/component/WXSelectComponent.h b/ios/WeexDemo/extend/component/WXSelectComponent.h
index f9a4776..b4cacce 100644
--- a/ios/WeexDemo/extend/component/WXSelectComponent.h
+++ b/ios/WeexDemo/extend/component/WXSelectComponent.h
@@ -24,3 +24,4 @@
 
 @end
 
+