diff --git a/ace/ace_ets_component_two/entry/src/main/ets/MainAbility/pages/imageAnimator.ets b/ace/ace_ets_component_two/entry/src/main/ets/MainAbility/pages/imageAnimator.ets
index 9dd6b5158baf1abb9a1f536262bbfaf8eded2ec5..5145f03546e42fe0bc108d3a480368356933d925 100755
--- a/ace/ace_ets_component_two/entry/src/main/ets/MainAbility/pages/imageAnimator.ets
+++ b/ace/ace_ets_component_two/entry/src/main/ets/MainAbility/pages/imageAnimator.ets
@@ -97,7 +97,7 @@ struct ImageAnimatorExample {
           console.info('Finish')
         })
       Row() {
-        Button('start').key('button').width(100).padding(5).onClick(() => {
+        Button('start').key('buttonStart').width(100).padding(5).onClick(() => {
           this.state = AnimationStatus.Running
           try {
             var backData = {