save project

my_game.py

@@ -82,11 +82,11 @@ while True:
             obstacle =Block(bush, stone, cacti)
             block_list.add(obstacle)
         time=0
-    for prop in block_list:
-        prop.rect.x-=8
-        screen.blit(prop.image, (prop.rect.x, prop.rect.y))
-        if prop.rect.x<=0-prop.rect.width:
-             prop.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:
+             sprite.kill()
     # 刷新画面
     pygame.display.update()
     FPS.tick(60)
\ No newline at end of file