diff --git a/my_Tetris.py b/my_Tetris.py
index 684e8ff..1181178 100644
--- a/my_Tetris.py
+++ b/my_Tetris.py
@@ -24,8 +24,12 @@ while True:
     # 将背景图画上去
     screen.blit(background,(0,0))
 
-    pygame.draw.rect(screen,(255,0,0),(140,20,20,20),0)
-    pygame.draw.rect(screen,(255,255,255),(140,20,20,20),1)
+    curr_pos.append(aa)
+    for cube in curr_pos:
+        aa = (cube[0] + center[0],cube[1] + center[1])
+    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),0)
         # 得分
     score_text = font.render(str(score)),True,(0,0,0))
     screen.blit(score_text,(350,70))