使用 cc switch 的时候连接站内的中转站一直出现连接服务器失败，设置了 setting.json 仍然连接失败。 
错误日志： 
 Unable to connect to Anthropic services

 Failed to connect to api.anthropic.com: ERR_BAD_REQUEST

 Please check your internet connection and network settings.

 Note: Claude Code might not be available in your country. Check
 supported countries at https://anthropic.com/supported-countries

解决方案： 
在用户目录下 C:\Users\xxx\.claude.js...