save project

my_game.py

@@ -64,7 +64,7 @@ while True:
     if bg_x<=-1000:
         bg_x=0
     screen.blit(background, (bg_x, 0))
-    road_x=0
+    road_x-=8
     if road_x<=-1000:
         road_x=0     # 远处背景
     screen.blit(road, (road_x, 500))     # 路