fix delay fragment drop

assets/scripts/GamePlay/BreakingJarController.ts

@@ -80,8 +80,8 @@ export default class BreakingJarController extends cc.Component {
 
         cc.tween(this.hammerNode)
             .to(0.5, { position: cc.v3(newPos.x, newPos.y, 0) })
-            .delay(0.3)
-            .to(0.3, { position: cc.v3(400, -400) })
+            .delay(0.1)
+            .to(0.2, { position: cc.v3(400, -400) })
             .call(() => this.hammerNode.active = false)
             .start();
     }

assets/scripts/GamePlay/FragmentJarController.ts

@@ -79,13 +79,13 @@ export default class FragmentJarController extends cc.Component {
     private dropFragment() {
         this._isDropped = true;
         const pos = this.node.position;
-        this.node.setSiblingIndex(-1);
         eventTarget.emit(CHECK_FRAGMENT, this.node);
 
         cc.tween(this.node)
             .delay(0.5)
             .call(() => {
                 eventTarget.emit(PLAY_DROP_SOUND);
+                this.node.setSiblingIndex(-1);
             })
             .to(0.1, { scale: 0.9 })
             .to(0.1, { scale: 1.05 })