[Feature] 能否添加填写多key的功能

[Unreal-Null]

为了提高交流效率，我们设立了官方 QQ 群和 QQ 频道，如果你在使用或者搭建过程中遇到了任何问题，请先第一时间加群或者频道咨询解决，除非是可以稳定复现的 Bug 或者较为有创意的功能建议，否则请不要随意往 Issue 区发送低质无意义帖子。

点击加入官方群聊

这个功能与现有的问题有关吗？
如果有关，请在此列出链接或者描述问题。

你想要什么功能或者有什么建议？
尽管告诉我们。
能否填写多个5刀key进行负载均衡，避免多人共用频繁出现超速现象。

有没有可以参考的同类竞品？
可以给出参考产品的链接或者截图。

其他信息
可以说说你的其他考虑。

[Issues-translate-bot]

Bot detected the issue body's language is not English, translate it automatically.

---

Title: [Feature] Can you add the function of filling in multiple keys?

In order to improve communication efficiency, we have set up an official QQ group and QQ channel. If you encounter any problems during use or construction, please join the group or channel for consultation as soon as possible, unless it is a bug that can be stably reproduced or More creative feature suggestions, otherwise please do not send low-quality and meaningless posts to the Issue area.

Click to join the official group chat

**Is this feature related to an existing issue? **
If relevant, please list the link here or describe the problem.

**What features do you want or have any suggestions? **
Just tell us.
Can you fill in multiple 5-dollar keys for load balancing to avoid frequent overspeeding when shared by multiple people?

**Are there any similar competing products that we can refer to? **
Links or screenshots of reference products can be given.

other information
Can you tell me about your other considerations.

[QAbot-zh]

这是作者的付费内容了：https://mp.weixin.qq.com/s/L8HMOqkjflh9gAIiRpSKZQ
或者通过 one-api 进行多key部署