通过cc switch配置君的公益站，用codex 
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这是我用的 config.toml内容 
model_provider = “custom” 
model = “glm-5.2” 
model_reasoning_effort = “high” 
disable_response_storage = true 
[model_providers.custom] 
name = “My Codex” 
base_url = “https://muyuan.do/v1” 
wire_api = “responses” 
requires_openai_auth = true 
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现在的问题就是，不管我开不开路由，映射模型，他都报同一个502的错误 
unexpected status 502 Bad Gateway: Unknown error, url: ht...