fix time beat jar

assets/scripts/GamePlay/FragmentJarController.ts

@@ -60,10 +60,15 @@ export default class FragmentJarController extends cc.Component {
             return;
         }
 
+        this._numberOfBeats--;
         if (this._slots.length > 0) {
-            this._slots[Math.min(3 - this._numberOfBeats, 1)].active = true;
+            cc.tween(this)
+                .delay(0.5)
+                .call(() => {
+                    this._slots[Math.min(2 - this._numberOfBeats, 1)].active = true
+                })
+                .start();
         }
-        this._numberOfBeats--;
         eventTarget.emit(HAMMER, point);
 
         if (this._numberOfBeats <= 0) {