diff --git a/WeexSDK.podspec b/WeexSDK.podspec
index f0ae7627d1..2f47a803fb 100644
--- a/WeexSDK.podspec
+++ b/WeexSDK.podspec
@@ -78,7 +78,6 @@ Pod::Spec.new do |s|
                           'ios/sdk/WeexSDK/Sources/Monitor/WXMonitor.h',
                           'ios/sdk/WeexSDK/Sources/Monitor/WXExceptionUtils.h',
                           'ios/sdk/WeexSDK/Sources/Monitor/WXAnalyzerCenter.h',
-                          'ios/sdk/WeexSDK/Sources/Manager/WXTracingManager.h',
                           'ios/sdk/WeexSDK/Sources/Manager/WXSDKManager.h',
                           'ios/sdk/WeexSDK/Sources/Manager/WXBridgeManager.h',
                           'ios/sdk/WeexSDK/Sources/Manager/WXComponentManager.h',
@@ -115,4 +114,4 @@ Pod::Spec.new do |s|
   
   s.libraries = 'c++'
 
-end
\ No newline at end of file
+end
diff --git a/ios/playground/Podfile b/ios/playground/Podfile
index 67a828175b..8a4debb984 100644
--- a/ios/playground/Podfile
+++ b/ios/playground/Podfile
@@ -4,7 +4,7 @@ platform :ios, '8.0'
 
 def common
     pod 'WeexSDK', :path=>'../../'
-    pod 'WXDevtool','0.16.3'
+    pod 'WXDevtool','0.20.0'
     pod 'SDWebImage', '3.7.5'
     pod 'SocketRocket', '0.4.2'
     pod 'ATSDK-Weex', '0.0.1',:configurations => ['Debug']
diff --git a/ios/playground/WeexDemo/WXDemoViewController.m b/ios/playground/WeexDemo/WXDemoViewController.m
index 02959719aa..69fb33d618 100644
--- a/ios/playground/WeexDemo/WXDemoViewController.m
+++ b/ios/playground/WeexDemo/WXDemoViewController.m
@@ -27,7 +27,6 @@
 #import "DemoDefine.h"
 #import "WXPrerenderManager.h"
 #import "WXMonitor.h"
-#import "WXTracingManager.h"
 
 @interface WXDemoViewController () <UIScrollViewDelegate, UIWebViewDelegate>
 @property (nonatomic, strong) WXSDKInstance *instance;