diff --git a/cocos/editor-support/cocostudio/ActionTimeline/CCFrame.cpp b/cocos/editor-support/cocostudio/ActionTimeline/CCFrame.cpp
index d0f698d419..f1dc53a7af 100644
--- a/cocos/editor-support/cocostudio/ActionTimeline/CCFrame.cpp
+++ b/cocos/editor-support/cocostudio/ActionTimeline/CCFrame.cpp
@@ -36,6 +36,7 @@ NS_TIMELINE_BEGIN
 Frame::Frame()
     : _frameIndex(0)
     , _tween(true)
+    , _enterWhenPassed(false)
     , _timeline(nullptr)
     , _node(nullptr)
 {
@@ -554,6 +555,7 @@ EventFrame* EventFrame::create()
     EventFrame* frame = new (std::nothrow) EventFrame();
     if (frame)
     {
+        frame->init();
         frame->autorelease();
         return frame;
     }
@@ -561,6 +563,11 @@ EventFrame* EventFrame::create()
     return nullptr;
 }
 
+void EventFrame::init()
+{
+    _enterWhenPassed = true;
+}
+
 EventFrame::EventFrame()
     : _event("")
 {
diff --git a/cocos/editor-support/cocostudio/ActionTimeline/CCFrame.h b/cocos/editor-support/cocostudio/ActionTimeline/CCFrame.h
index 46022f7f0e..10b72d36a4 100644
--- a/cocos/editor-support/cocostudio/ActionTimeline/CCFrame.h
+++ b/cocos/editor-support/cocostudio/ActionTimeline/CCFrame.h
@@ -54,6 +54,8 @@ public:
     virtual void setTween(bool tween) { _tween = tween; }
     virtual bool isTween() const { return _tween; }
 
+    virtual bool isEnterWhenPassed() { return _enterWhenPassed; }
+
     virtual void onEnter(Frame *nextFrame) = 0;
     virtual void apply(float percent) {}
 
@@ -68,6 +70,7 @@ protected:
 
     unsigned int    _frameIndex;
     bool            _tween;
+    bool            _enterWhenPassed;
 
     Timeline* _timeline;
     cocos2d::Node*  _node;
@@ -300,6 +303,7 @@ class CC_STUDIO_DLL EventFrame : public Frame
 {
 public:
     static EventFrame* create();
+    void init();
 
     EventFrame();
 
diff --git a/cocos/editor-support/cocostudio/ActionTimeline/CCTimeLine.cpp b/cocos/editor-support/cocostudio/ActionTimeline/CCTimeLine.cpp
index db0e78af9b..4f4719db96 100644
--- a/cocos/editor-support/cocostudio/ActionTimeline/CCTimeLine.cpp
+++ b/cocos/editor-support/cocostudio/ActionTimeline/CCTimeLine.cpp
@@ -210,10 +210,9 @@ void Timeline::updateCurrentKeyFrame(int frameIndex)
             }
             else if(frameIndex >= _frames.at(length - 1)->getFrameIndex())
             {
-                from = to = _frames.at(length - 1);
-                _currentKeyFrameIndex = _frames.at(length - 1)->getFrameIndex();
-                _betweenDuration = 0;
-                break;
+                int lastFrameIndex = _frames.at(length - 1)->getFrameIndex();
+                if(_currentKeyFrameIndex >= lastFrameIndex)
+                    return;
             }
 
             do
@@ -229,14 +228,20 @@ void Timeline::updateCurrentKeyFrame(int frameIndex)
                 }
 
                 to = _frames.at(_toIndex);
-
-                if (frameIndex == from->getFrameIndex())
-                {
+                if(from->getFrameIndex() == 19)
+                    int a = 0;
+                if(frameIndex == from->getFrameIndex())
                     break;
-                }
+                if(frameIndex > from->getFrameIndex() && frameIndex < to->getFrameIndex())
+                    break;
+                if(from->isEnterWhenPassed())
+                    from->onEnter(to);
             }
-            while (frameIndex < from->getFrameIndex() || frameIndex >= to->getFrameIndex());
+            while (true);
 
+            if(_fromIndex == length)
+                to = from;
+            
             _betweenDuration = to->getFrameIndex() - from->getFrameIndex();
 
         } while (0);