diff --git a/Assets/Scripts/UI/UITimeTip.cs b/Assets/Scripts/UI/UITimeTip.cs
index 9fe6fc39..1e78169c 100644
--- a/Assets/Scripts/UI/UITimeTip.cs
+++ b/Assets/Scripts/UI/UITimeTip.cs
@@ -36,6 +36,7 @@ namespace QFramework.Example
         public List<Sprite> sprites;
         bool isRun = false;
         List<TweenerCore<float, float, FloatOptions>> dotwens = new List<TweenerCore<float, float, FloatOptions>>();
+        TweenerCore<int, int, NoOptions> imgTwen;
         int index = 0;
         protected override void OnInit(IUIData uiData = null)
         {
@@ -74,18 +75,21 @@ namespace QFramework.Example
             mData = uiData as UITimeTipData ?? new UITimeTipData();
             index = 0;
             isRun = true;
-            int endIndex = sprites.Count;
+            int endIndex = sprites.Count - 1;
             if (mData.reverse)
             {
                 index = sprites.Count;
                 endIndex = 0;
             }
-            DOTween.To(() => index, v =>
+            imgTwen = DOTween.To(() => index, v =>
             {
                 index = v;
                 Img.sprite = sprites[index];
                 Img.SetNativeSize();
-            }, endIndex, mData.time).SetEase(Ease.Linear).onComplete = () =>
+
+            }, endIndex, mData.time);
+
+            imgTwen.SetEase(Ease.Linear).onComplete = () =>
             {
                 if (string.IsNullOrEmpty(mData.finishedEvent) == false)
                 {
@@ -129,6 +133,11 @@ namespace QFramework.Example
                 item.Kill();
             }
             dotwens.Clear();
+            if (imgTwen != null)
+            {
+                imgTwen.Kill();
+                imgTwen = null;
+            }
         }
 
         protected override void OnClose()