save project

snake.py

@@ -69,6 +69,7 @@ while True:
         position.pop(0)
         position.pop(0)
 
 
     if x<0 or x>630 or y<0 or <0 or y>450:
     if x<0 or x>630 or y<0 or <0 or y>450:
+        exit()
 
 
 
 
     # 将背景图画上去
     # 将背景图画上去