save project

snake.py

@@ -60,6 +60,7 @@ while True:
         C2=random.randint(1,16)
         apple_x=C1*30-30
         apple_y=C2*30-30
+        score+=10
     else:
         position.pop(0)
     position.append((x, y))
@@ -78,6 +79,8 @@ while True:
     info="score"+str(score)
     text=my_font.render(info,True,(0,0,0))
     screen.blit(text,(540,10))
-    # 刷新画面
+    if x<0 or x>630 or y<0 or y>450:
+        exit()
+    # 刷新 画面
     pygame.display.update()
     FPSCLOCK.tick(3)
\ No newline at end of file