使用go 开发，并且确定密钥与appid 配置都正确，但是就是提示签名错误

{200 OK 200 HTTP/1.1 1 1 map[Cache-Control:[no-cache, must-revalidate] Connection:[keep-alive] Content-Length:[126] Content-Type:[text/plain] Date:[Thu, 28 Mar 2024 14:05:07 GMT] Err_code:[270283348] Keep-Alive:[timeout=8] Mmlas-Verifyresult:[CAAwhYII]