diff --git a/ios/sdk/WeexSDK/Sources/Bridge/WXBridgeContext.m b/ios/sdk/WeexSDK/Sources/Bridge/WXBridgeContext.m
index 9e02cca50a..fb8f894556 100644
--- a/ios/sdk/WeexSDK/Sources/Bridge/WXBridgeContext.m
+++ b/ios/sdk/WeexSDK/Sources/Bridge/WXBridgeContext.m
@@ -838,7 +838,6 @@ - (void)executeJsFramework:(NSString *)script
         NSString *exception = [[self.jsBridge exception] toString];
         NSMutableString *errMsg = [NSMutableString stringWithFormat:@"[WX_KEY_EXCEPTION_SDK_INIT_JSFM_INIT_FAILED] %@",exception];
         [WXExceptionUtils commitCriticalExceptionRT:@"WX_KEY_EXCEPTION_SDK_INIT" errCode:[NSString stringWithFormat:@"%d", WX_KEY_EXCEPTION_SDK_INIT] function:@"" exception:errMsg extParams:nil];
-        WX_MONITOR_FAIL(WXMTJSFramework, WX_ERR_JSFRAMEWORK_EXECUTE, errMsg);
     } else {
         WX_MONITOR_SUCCESS(WXMTJSFramework);
         //the JSFramework has been load successfully.
@@ -952,7 +951,6 @@ - (void)executeJsService:(NSString *)script withName:(NSString *)name
             NSString *exception = [[self.jsBridge exception] toString];
             NSMutableString *errMsg = [NSMutableString stringWithFormat:@"[WX_KEY_EXCEPTION_INVOKE_JSSERVICE_EXECUTE] name:%@,arg:%@,exception :$@",name,exception];
             [WXExceptionUtils commitCriticalExceptionRT:@"WX_KEY_EXCEPTION_INVOKE" errCode:[NSString stringWithFormat:@"%d", WX_KEY_EXCEPTION_INVOKE] function:@"executeJsService" exception:errMsg extParams:nil];
-            WX_MONITOR_FAIL(WXMTJSService, WX_ERR_JSFRAMEWORK_EXECUTE, errMsg);
         } else {
             // success
         }
diff --git a/ios/sdk/WeexSDK/Sources/Engine/WXSDKEngine.m b/ios/sdk/WeexSDK/Sources/Engine/WXSDKEngine.m
index 518a8e0119..d2d9bd5936 100644
--- a/ios/sdk/WeexSDK/Sources/Engine/WXSDKEngine.m
+++ b/ios/sdk/WeexSDK/Sources/Engine/WXSDKEngine.m
@@ -265,7 +265,6 @@ + (void)initSDKEnvironment:(NSString *)script
     if (!script || script.length <= 0) {
         NSMutableString *errMsg = [NSMutableString stringWithFormat:@"[WX_KEY_EXCEPTION_SDK_INIT_JSFM_INIT_FAILED] script don't exist:%@",script];
         [WXExceptionUtils commitCriticalExceptionRT:@"WX_KEY_EXCEPTION_SDK_INIT" errCode:[NSString stringWithFormat:@"%d", WX_KEY_EXCEPTION_SDK_INIT] function:@"initSDKEnvironment" exception:errMsg extParams:nil];
-        WX_MONITOR_FAIL(WXMTJSFramework, WX_ERR_JSFRAMEWORK_LOAD, errMsg);
         return;
     }
     static dispatch_once_t onceToken;
diff --git a/ios/sdk/WeexSDK/Sources/Engine/WXSDKError.h b/ios/sdk/WeexSDK/Sources/Engine/WXSDKError.h
index 0909ab629a..bfe56d662b 100644
--- a/ios/sdk/WeexSDK/Sources/Engine/WXSDKError.h
+++ b/ios/sdk/WeexSDK/Sources/Engine/WXSDKError.h
@@ -33,10 +33,12 @@
 
 typedef NS_ENUM(int, WXSDKErrCode)
 {
-    WX_ERR_JSFRAMEWORK_START = -1001,
-    WX_ERR_JSFRAMEWORK_LOAD = -1002,
-    WX_ERR_JSFRAMEWORK_EXECUTE = -1003,
-    WX_ERR_JSFRAMEWORK_END = -1099,
+    WX_KEY_EXCEPTION_DEGRADE = -1000,
+    WX_KEY_EXCEPTION_DEGRADE_CHECK_CONTENT_LENGTH_FAILED = -1003,
+    WX_KEY_EXCEPTION_DEGRADE_BUNDLE_CONTENTTYPE_ERROR = -1004,
+    WX_KEY_EXCEPTION_DEGRADE_OTHER_CAUSE = -1005,
+    WX_KEY_EXCEPTION_DEGRADE_EAGLE_RENDER_ERROR = -1007,
+    WX_KEY_EXCEPTION_DEGRADE_NET_CODE_CAUSE = -1008,
     
     WX_ERR_JSBRIDGE_START = -2001,
     WX_ERR_JSFUNC_PARAM = -2009,
@@ -70,13 +72,6 @@ typedef NS_ENUM(int, WXSDKErrCode)
     WX_KEY_EXCEPTION_DOM = -9300,
     WX_KEY_EXCEPTION_WXBRIDGE=-9400,
     
-    WX_KEY_EXCEPTION_DEGRADE = -9500,
-    WX_KEY_EXCEPTION_DEGRADE_CHECK_CONTENT_LENGTH_FAILED = -9501,
-    WX_KEY_EXCEPTION_DEGRADE_BUNDLE_CONTENTTYPE_ERROR = -9502,
-    WX_KEY_EXCEPTION_DEGRADE_OTHER_CAUSE = -9503,
-    WX_KEY_EXCEPTION_DEGRADE_NET_CODE_CAUSE = -9504,
-    WX_KEY_EXCEPTION_DEGRADE_EAGLE_RENDER_ERROR = -9505,
-    
     WX_KEY_EXCEPTION_ABILITY_DOWN = -9600,
     WX_KEY_EXCEPTION_ABILITY_DOWN_IMAGE = -9601,
     WX_KEY_EXCEPTION_ABILITY_DOWN_TOH5 = -9602,
diff --git a/ios/sdk/WeexSDK/Sources/Engine/WXSDKError.m b/ios/sdk/WeexSDK/Sources/Engine/WXSDKError.m
index 9db189530d..a26f767c5b 100644
--- a/ios/sdk/WeexSDK/Sources/Engine/WXSDKError.m
+++ b/ios/sdk/WeexSDK/Sources/Engine/WXSDKError.m
@@ -51,12 +51,7 @@ +(NSDictionary *) getMap
     
     dispatch_once(&onceToken, ^{
         
-        codeMap=@{
-                @(WX_ERR_JSFRAMEWORK_START):@{ERROR_TYPE:@(WX_NATIVE_ERROR),ERROR_GROUP:@(WX_NATIVE)},
-                @(WX_ERR_JSFRAMEWORK_LOAD):@{ERROR_TYPE:@(WX_NATIVE_ERROR),ERROR_GROUP:@(WX_NATIVE)},
-                @(WX_ERR_JSFRAMEWORK_EXECUTE):@{ERROR_TYPE:@(WX_NATIVE_ERROR),ERROR_GROUP:@(WX_NATIVE)},
-                @(WX_ERR_JSFRAMEWORK_END):@{ERROR_TYPE:@(WX_NATIVE_ERROR),ERROR_GROUP:@(WX_NATIVE)},
-                
+        codeMap=@{                
                 @(WX_ERR_JSBRIDGE_START):@{ERROR_TYPE:@(WX_NATIVE_ERROR),ERROR_GROUP:@(WX_NATIVE)},
                 @(WX_ERR_RENDER_CREATEBODY):@{ERROR_TYPE:@(WX_NATIVE_ERROR),ERROR_GROUP:@(WX_NATIVE)},
                 @(WX_ERR_INVOKE_NATIVE):@{ERROR_TYPE:@(WX_NATIVE_ERROR),ERROR_GROUP:@(WX_NATIVE)},
@@ -64,7 +59,6 @@ +(NSDictionary *) getMap
                 @(WX_ERR_JSBRIDGE_END):@{ERROR_TYPE:@(WX_JS_ERROR),ERROR_GROUP:@(WX_JS)},
                 
                 @(WX_ERR_RENDER_START):@{ERROR_TYPE:@(WX_NATIVE_ERROR),ERROR_GROUP:@(WX_NATIVE)},
-                @(WX_ERR_JSFRAMEWORK_START):@{ERROR_TYPE:@(WX_NATIVE_ERROR),ERROR_GROUP:@(WX_NATIVE)},
                 @(WX_ERR_RENDER_UPDATTR):@{ERROR_TYPE:@(WX_NATIVE_ERROR),ERROR_GROUP:@(WX_NATIVE)},
                 @(WX_ERR_RENDER_UPDSTYLE):@{ERROR_TYPE:@(WX_NATIVE_ERROR),ERROR_GROUP:@(WX_NATIVE)},
                 @(WX_ERR_RENDER_ADDELEMENT):@{ERROR_TYPE:@(WX_NATIVE_ERROR),ERROR_GROUP:@(WX_NATIVE)},
@@ -99,7 +93,6 @@ +(NSDictionary *) getMap
                 @(WX_KEY_EXCEPTION_ABILITY_DOWN):@{ERROR_TYPE:@(WX_NATIVE_ERROR),ERROR_GROUP:@(WX_NATIVE)},
                 @(WX_KEY_EXCEPTION_ABILITY_DOWN_IMAGE):@{ERROR_TYPE:@(WX_NATIVE_ERROR),ERROR_GROUP:@(WX_NATIVE)},
                 @(WX_KEY_EXCEPTION_ABILITY_DOWN_TOH5):@{ERROR_TYPE:@(WX_NATIVE_ERROR),ERROR_GROUP:@(WX_NATIVE)},
-                @(WX_ERR_JSFRAMEWORK_START):@{ERROR_TYPE:@(WX_NATIVE_ERROR),ERROR_GROUP:@(WX_NATIVE)},
                 @(WX_KEY_EXCEPTION_ABILITY_DOWN_):@{ERROR_TYPE:@(WX_NATIVE_ERROR),ERROR_GROUP:@(WX_NATIVE)},
                 @(WX_KEY_EXCEPTION_EMPTY_SCREEN_JS):@{ERROR_TYPE:@(WX_RENDER_ERROR),ERROR_GROUP:@(WX_JS)},
                 @(WX_KEY_EXCEPTION_EMPTY_SCREEN_NATIVE):@{ERROR_TYPE:@(WX_RENDER_ERROR),ERROR_GROUP:@(WX_NATIVE)},