save project

my_game.py

@@ -84,11 +84,11 @@ while True:
         if num > 20:
             obstacle = Block(bush,cacti,stone)
             block_list.add(obstacle)
-        for sprite in block_list:
-            sprite.rect.x -= 8
-            screen.blit(sprite.image,(sprite.rect.x,sprite.rect.y))
-            if sprite.rect.x <= 0-sprite.rect.width:      # 障碍物消失
-                sprite.kill()
+    for sprite in block_list:
+        sprite.rect.x -= 8
+        screen.blit(sprite.image,(sprite.rect.x,sprite.rect.y))
+        if sprite.rect.x <= 0-sprite.rect.width:      # 障碍物消失
+            sprite.kill()
     # 刷新画面
     pygame.display.update()
     FPS.tick(60)
\ No newline at end of file