diff --git a/src/game/Helper.ts b/src/game/Helper.ts
index cd91f97..841bd6f 100644
--- a/src/game/Helper.ts
+++ b/src/game/Helper.ts
@@ -96,7 +96,7 @@ class Helper {
 
   drawNextBrick(ctx: CanvasRenderingContext2D, brick: IBrick) {
     ctx.clearRect(0, 0, ctx.canvas.width, ctx.canvas.height)
-    this.drawBrick(ctx, { ...brick, x: 0, y: 0 } as IBrick)
+    this.drawBrick(ctx, { ...brick, point: { x: 0, y: 0 } })
   }
   computeScore(eliminateNum: number) {
     switch (eliminateNum) {
diff --git a/src/game/Renderer.ts b/src/game/Renderer.ts
index 74e0526..a1c3f42 100644
--- a/src/game/Renderer.ts
+++ b/src/game/Renderer.ts
@@ -12,17 +12,17 @@ export default class Renderer implements IGameRenderer {
   private lastTime = 0
   private pauseTime = 0
   private game: IGame
-  private _brick: Brick
-  private _nextBrick: Brick
   private over: boolean = false
   private pause: boolean = false
-  _canvasWithMapCtx: ICanvasWithMapCtx
+  private _brick: Brick
+  private _nextBrick: Brick
+  private _canvasWithMapCtx: ICanvasWithMapCtx
   constructor(game: IGame) {
-    this._canvasWithMapCtx = new CanvasWithMapCtx()
     this.gameHelper = gameHelper
     this.game = game
     this._brick = new Brick(this.gameHelper.getRandomLetter())
     this._nextBrick = new Brick(this.gameHelper.getRandomLetter())
+    this._canvasWithMapCtx = new CanvasWithMapCtx()
     this.operation = new Operation(
       this.game,
       this._canvasWithMapCtx,