diff --git a/ios/playground/Podfile b/ios/playground/Podfile
index c6b3964cd7..30623a99b2 100644
--- a/ios/playground/Podfile
+++ b/ios/playground/Podfile
@@ -4,7 +4,7 @@ platform :ios, '7.0'
 
 def common
     pod 'WeexSDK', :path=>'../sdk/'
-    pod 'WXDevtool', '0.8.0''
+    pod 'WXDevtool', '0.8.0'
     pod 'SDWebImage', '3.7.5'
     pod 'SocketRocket', '0.4.2'
     pod 'ATSDK-Weex', '0.0.1'
diff --git a/ios/sdk/WeexSDK/Sources/Component/WXSliderNeighborComponent.m b/ios/sdk/WeexSDK/Sources/Component/WXSliderNeighborComponent.m
index c5ab35cc96..04a9399dcc 100644
--- a/ios/sdk/WeexSDK/Sources/Component/WXSliderNeighborComponent.m
+++ b/ios/sdk/WeexSDK/Sources/Component/WXSliderNeighborComponent.m
@@ -1686,7 +1686,6 @@ - (void)sliderNeighbor:(WXSliderNeighborView *)sliderView didScrollToItemAtIndex
     
     if (_sliderChangeEvent) {
         [self fireEvent:@"change" params:@{@"index":@(index)} domChanges:@{@"attrs": @{@"index": @(index)}}];
-        NSLog(@"index %ld",index);
     }
 }
 
diff --git a/ios/sdk/WeexSDK/Sources/Utility/WXUtility.h b/ios/sdk/WeexSDK/Sources/Utility/WXUtility.h
index 8ce349a4ae..6a9d7bacb5 100644
--- a/ios/sdk/WeexSDK/Sources/Utility/WXUtility.h
+++ b/ios/sdk/WeexSDK/Sources/Utility/WXUtility.h
@@ -8,7 +8,6 @@
 
 #import <Foundation/Foundation.h>
 #import <UIKit/UIKit.h>
-#import <CommonCrypto/CommonCrypto.h>
 #import "WXDefine.h"
 #import "WXType.h"
 #import "WXLog.h"