save project

diy1.py

@@ -2,7 +2,7 @@ import pygame
 from pygame import locals
 from pygame import locals
 #初始化
 #初始化
 
 
-backgrond=pygame.image.load('bg.pny')
+background=pygame.image.load('bg.pny')
 right=pygame.image.load('right.pny')
 right=pygame.image.load('right.pny')
 food=pygame.image.load('apple.pny')
 food=pygame.image.load('apple.pny')
 
 
@@ -16,6 +16,6 @@ while True:
     screen.blit(background,(0,0))
     screen.blit(background,(0,0))
     screen.blit(right,(240,120))
     screen.blit(right,(240,120))
     screen.blit(food,(360,300))
     screen.blit(food,(360,300))
-
+    pygame.display.update()
 
 
    
    
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