整理代码格式

src/views/Difficulty.ts

@@ -34,11 +34,11 @@ export class Difficulty extends Laya.Script {
     })
   }
 
-destroyUI(): void {
+  destroyUI(): void {
     Laya.Tween.to(this.mask, { alpha: 0 }, 400, Utility_EaseOut_2, Laya.Handler.create(this, () => {
       this.owner.destroy()
     }))
-}
+  }
 
   onStart(): void {
     Laya.Tween.to(this.offset, { y: 0 }, 200)