diff --git a/lib/timeline/component/ItemSet.js b/lib/timeline/component/ItemSet.js
index 72b54f83..f4b0c7a8 100644
--- a/lib/timeline/component/ItemSet.js
+++ b/lib/timeline/component/ItemSet.js
@@ -1598,7 +1598,7 @@ ItemSet.prototype._onGroupDragEnd = function (event) {
 
           }
           
-          me.body.emitter.emit('groupDragged');
+          me.body.emitter.emit('groupDragged', { groupId: this.groupTouchParams.group.groupId });
         });
 	}
 }