save project

my_Tetris.py

@@ -32,7 +32,7 @@ while True:
                     center[1]-=1
             elif event.key==locals.K_DOWN:
                 if center[0]<25:
-                    center[0]+=15
+                    center[0]+=1
 
     # 将背景图画上去
     screen.blit(background,(0,0))