diff --git a/Android/doric/src/main/java/pub/doric/engine/DoricJSEngine.java b/Android/doric/src/main/java/pub/doric/engine/DoricJSEngine.java
index 7cc40445..a4bf460f 100644
--- a/Android/doric/src/main/java/pub/doric/engine/DoricJSEngine.java
+++ b/Android/doric/src/main/java/pub/doric/engine/DoricJSEngine.java
@@ -96,6 +96,12 @@ public class DoricJSEngine implements Handler.Callback, DoricTimerExtension.Time
                 return null;
             }
         });
+        mDoricJSE.injectGlobalJSFunction(DoricConstant.INJECT_EMPTY, new JavaFunction() {
+            @Override
+            public JavaValue exec(JSDecoder[] args) {
+                return null;
+            }
+        });
         mDoricJSE.injectGlobalJSFunction(DoricConstant.INJECT_REQUIRE, new JavaFunction() {
             @Override
             public JavaValue exec(JSDecoder[] args) {
diff --git a/Android/doric/src/main/java/pub/doric/utils/DoricConstant.java b/Android/doric/src/main/java/pub/doric/utils/DoricConstant.java
index f4da7cdc..08a814b1 100644
--- a/Android/doric/src/main/java/pub/doric/utils/DoricConstant.java
+++ b/Android/doric/src/main/java/pub/doric/utils/DoricConstant.java
@@ -31,6 +31,7 @@ public class DoricConstant {
     public static final String INJECT_TIMER_SET = "nativeSetTimer";
     public static final String INJECT_TIMER_CLEAR = "nativeClearTimer";
     public static final String INJECT_BRIDGE = "nativeBridge";
+    public static final String INJECT_EMPTY = "nativeEmpty";
 
     public static final String TEMPLATE_CONTEXT_CREATE = "Reflect.apply(" +
             "function(doric,context,Entry,require,exports){" + "\n" +
diff --git a/iOS/Pod/Classes/Engine/DoricJSEngine.m b/iOS/Pod/Classes/Engine/DoricJSEngine.m
index 3559c0cb..12984ea8 100644
--- a/iOS/Pod/Classes/Engine/DoricJSEngine.m
+++ b/iOS/Pod/Classes/Engine/DoricJSEngine.m
@@ -59,7 +59,9 @@ - (void)initJSExecutor {
     [self.jsExecutor injectGlobalJSObject:INJECT_LOG obj:^(NSString *type, NSString *message) {
         DoricLog(@"JS:%@", message);
     }];
-
+    [self.jsExecutor injectGlobalJSObject:INJECT_EMPTY obj:^() {
+        
+    }];
     [self.jsExecutor injectGlobalJSObject:INJECT_REQUIRE obj:^(NSString *name) {
         __strong typeof(_self) self = _self;
         if (!self) return NO;
diff --git a/iOS/Pod/Classes/Util/DoricConstant.h b/iOS/Pod/Classes/Util/DoricConstant.h
index 8256c9a9..06b34fd2 100644
--- a/iOS/Pod/Classes/Util/DoricConstant.h
+++ b/iOS/Pod/Classes/Util/DoricConstant.h
@@ -32,6 +32,7 @@ extern NSString *const INJECT_REQUIRE;
 extern NSString *const INJECT_TIMER_SET;
 extern NSString *const INJECT_TIMER_CLEAR;
 extern NSString *const INJECT_BRIDGE;
+extern NSString *const INJECT_EMPTY;
 
 extern NSString *const TEMPLATE_CONTEXT_CREATE;
 
diff --git a/iOS/Pod/Classes/Util/DoricConstant.m b/iOS/Pod/Classes/Util/DoricConstant.m
index 6d936e1e..09a742a4 100644
--- a/iOS/Pod/Classes/Util/DoricConstant.m
+++ b/iOS/Pod/Classes/Util/DoricConstant.m
@@ -32,6 +32,7 @@
 NSString *const INJECT_TIMER_SET = @"nativeSetTimer";
 NSString *const INJECT_TIMER_CLEAR = @"nativeClearTimer";
 NSString *const INJECT_BRIDGE = @"nativeBridge";
+NSString *const INJECT_EMPTY = @"nativeEmpty";
 
 NSString *const TEMPLATE_CONTEXT_CREATE = @"Reflect.apply("
                                           "function(doric,context,Entry,require,exports){" "\n"
diff --git a/js-framework/src/ui/panel.ts b/js-framework/src/ui/panel.ts
index a1473451..32115c37 100644
--- a/js-framework/src/ui/panel.ts
+++ b/js-framework/src/ui/panel.ts
@@ -31,6 +31,8 @@ export function NativeCall(target: Panel, propertyKey: string, descriptor: Prope
 
 type Frame = { width: number, height: number }
 
+declare function nativeEmpty(): void
+
 export abstract class Panel {
     context?: any
     onCreate() { }
@@ -132,7 +134,7 @@ export abstract class Panel {
 
     private hookAfterNativeCall() {
         //Here insert a native call to ensure the promise is resolved done.
-        log('Check Dirty')
+        nativeEmpty()
         if (this.__root__.isDirty()) {
             const model = this.__root__.toModel()
             this.nativeRender(model)