save project

my_Tetris.py

@@ -30,7 +30,7 @@ while True:
                     center[1]-=1
                 if event.key == locals.K_DOWN:
                     if center[0]<15:
-                    center[0]+=1
+                        center[0]+=1
 
     # 将背景图画上去
     screen.blit(background,(0,0))