配置：DeepSeek官方API 
无论我问什么东西，都是 
API Error: 403 {"Message":"Invalid API Key format: Must start with pre-defined prefix"} · Please run /login

点开后报错为 
错误名称: AI_ProviderSpecificError
错误信息: Claude Code process exited with code 1
堆栈信息: AI_ProviderSpecificError: Claude Code process exited with code 1
    at AiSdkToChunkAdapter.convertAndEmitChunk (file:///C:/Users/myusername/AppData/Local/Programs/Cherry...