save project

my_Tetris.py

@@ -69,9 +69,13 @@ while True:
             elif event.key == locals.K_RIGHT:    # 向右
                 if center[1] < 15:
                     center[1] += 1
+                    if check(center) == False:
+                     center[1] = center[1] -1
             elif event.key == locals.K_DOWN:    # 向下
                 if center[0] < 25:
                     center[0] += 1
+                    if check(center) == False:
+                     center[o] = center[0] -1
 
     # 将背景图画上去
     screen.blit(background, (0, 0))