检索知识库报错，信息如下：
node path: [Indexer]

2025-06-23T17:42:21.721+08:00 [INFO] {25ca9e73aca24b1847f91e6fe0fa64cf} ragReq: &{rag 5 1.2 测试知识库 [] 0}

2025-06-23T17:42:21.737+08:00 {25ca9e73aca24b1847f91e6fe0fa64cf} 200 "POST http localhost:8000 /v1/retriever HTTP/1.1" 16407.376, 172.18.0.1, "http://localhost:8000/", "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36 Edg/137.0.0.0", -1, "", ""

Stack:

failed to create chat completion: error, status code: 401, status: 401 Unauthorized, message: json: cannot unmarshal string into Go value of type openai.ErrorResponse, body: "Api key is invalid"

不知道这个Api key是在哪里设置