save project

my_game.py

@@ -61,10 +61,10 @@ while True:
     
     road_x-=8
     bg_x-=2
-    if road_x<=1000:
+    if road_x<=-1000:
         road_x=0
     
-    if bg_x<=1000:
+    if bg_x<=-1000:
         bg_x=0
     # 将背景图画上去
     screen.blit(background, (bg_x, 0))     # 远处背景