save project

my_game.py

@@ -68,7 +68,7 @@ while True:
     shan_x -=2
     shan_x -=2
     if shan_x <-1000:
     if shan_x <-1000:
         shan_x=0
         shan_x=0
-    screen.blit(background, (0, 0))     # 远处背景
+    screen.blit(background, (bg_x, 0))     # 远处背景
     road_x -=8
     road_x -=8
     if road_x <-1000:
     if road_x <-1000:
         road_x=0
         road_x=0