save project

my_Tetris.py

@@ -30,14 +30,14 @@ while True:
                     center[1]=center[1]-1
 
             elif event.key == locals.K_DOWN:
-                if center[0]< 25:
-                center[0]=center[0]+1
+                if center[0]<25:
+                    center[0]=center[0]+1
 
 
         
 
     # 将背景图画上去
-    screen.blit(backgroud,(0,0))
+    screen.blit(background,(0,0))
 
     pygame.draw.rect(screen,(255,0,0),(center[1]*20-20,center[0]*20-20,20,20),0)
     pygame.draw.rect(screen,(255,255,255),(center[1]*20-20,center[0]*20-20,20,20),1)