# LangBot Frequently Asked Questions ## Q: How to fill in the official bot IP whitelist? If you are running the bot on your own computer: Open the [IP138](https://ip38.com/) website to get your network's outbound IP, and fill in this IP as shown in the image. ![](/assets/image/error_q3.png) If it's not on your own computer (e.g., a cloud server), please check the public IP of the host yourself. ## Q: Various request failure error cases: 1. Your model API key is either not filled in or incorrect. ![](/assets/image/error_q4.png) 2. The relay station has run out of quota. ![](/assets/image/error_q5.png) 3. Check if the provider's address is correct (did you add /v1 at the end?). ![](/assets/image/error_q6.png) ## Q: Plugin installation failed? Try enabling a network proxy on the host. For Linux, you need to set the environment variables `http_proxy` and `https_proxy`.