diff --git a/my_Tetris.py b/my_Tetris.py
index 7eb9f59..eea237b 100644
--- a/my_Tetris.py
+++ b/my_Tetris.py
@@ -4,10 +4,8 @@ from pygame import locals
 pygame.init()   # 初始化
 score = 0
 grid_size = 20  # 格子大小
-
-grid_num_width = 20     # 横向格子数量
-grid_num_height = 30      # 纵向格子数量
-
+grid_num_width = 15     # 横向格子数量
+grid_num_height = 25      # 纵向格子数量
 FPS = 30
 
 # 创建窗口
@@ -17,43 +15,20 @@ clock = pygame.time.Clock()  # pygame时钟，控制游戏速度（帧数）
 # 载入素材
 background = pygame.image.load('bg.png')
 font = pygame.font.Font('STKAITI.TTF', 60)  # 字体
-center=[2,8]
-curr_shape=[(0,-1),(0,0),(0,1),(0,2)]
+
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
             exit()
-        if event.type == locals.KEYDOWN:
-            if event.key == locals.K_RIGHT:
-                if center[1]<15:
-                    center[1]+=1
-            elif event.key==locals.K_LEFT:
-                if center[1]>1:
-                    center[1]-=1
-            elif event.key==locals.K_DOWN:
-                if center[0]<25:
-                    center[0]+=1
-    curr_pos = []
-    for cube in curr_shape:
-         aa = (cube[0] + center[0],cube[1] + center[1])
-         curr_pos.append(aa)
-     for cube in curr_pos:
-        pygame.draw.rect(screen,(153,0,102),
-                            (cube[1]*20-20,cube[0]*20-20,
-                            grid_size,grid_size),
-                            0) 
-        pygame.draw.rect(screen,(255,255,255),
-                            (cube[1]*20-20,cube[0]*20-20,
-                            grid_size,grid_size),
-                            1)        
-
-            
 
     # 将背景图画上去
     screen.blit(background,(0,0))
-    score_text=font.render(str(score),True,(0,0,0))
-    screen.blit(score_text,(350,70))
-    
+    pygame.draw.rect(screen,(255,0,0),(100,100,20,20),0)
+    pygame.draw.rect(screen,(0,0,0),(100,100,20,20),1)
+
+    # 得分
+    sc =font.render(str(score),True,(0,0,0))
+    screen.blit(sc,(330,60))
     # 刷新画面
     pygame.display.update()
     clock.tick(FPS)