优化若干代码

assets/FishSingle/script/engine/uicomponent/LoadingPrefab.ts

@@ -1,19 +1,10 @@
-import {
-	_decorator,
-	Component,
-	Node,
-	Prefab,
-	instantiate,
-	math,
-	Quat,
-	Vec3,
-} from 'cc'
-const { ccclass, property } = _decorator
-
+import { _decorator, Component, instantiate, Node, Prefab, Quat, Vec3 } from 'cc'
 import PrefabLoader from '../utils/PrefabLoader'
 import { GameConfig } from '../../game/config/GameConfig'
 import DialogBase from './DialogBase'
 
+const { ccclass, property } = _decorator
+
 @ccclass('LoadingPrefab')
 export default class LoadingPrefab extends Component {
 	public static instance: Node