save project

my_Tetris.py

@@ -86,7 +86,10 @@ while True:
                 if check(center) == False:
                     index = old_index
                     current_shape = shape[index]
-                    
+
+    center[0] = center[0] + 1
+    if check(center) == False:
+           center[0] = center[0] - 1
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 计算出所有小方块的行、列位置