save project

snake.py

@@ -57,8 +57,10 @@ while True:
     # 将背景图画上去
     screen.blit(background, (0, 0))
     if x == apple_x and y == apple_y:
-        apple_x = random.randint(1,22)
-        apple_y = random.randint(1,16)
+        num1 = random.randint(1,16)
+        num2 = random.randint(1,16)
+        apple_x = num1 * 30 - 30
+        apple_y = num2 * 30 - 30
 
     else
         position.pop(0)