怎么样找回自己的号呀

各位大佬，我回坑发现自己号没了，变成一个新号，全部资源都没了，该怎么找回啊，之前是小米渠道服的，充了小几百😢😢😢😢😢😢😢😢😢😢😢😢😢😢😢😢😢😢😢😢😢😢😢😢😢😢😢😢😢😢😢😢😢😢