网关接口异常（比如鉴权失败，命中频控，网关调用后端上传服务出现异常等）
返回的code，以10开头
| http code | code | message | 含义 |
|---|---|---|---|
| 200 | 2000 | success | 请求正常 |
| 200 | 10405 | The specified action is not supported. | action不支持 |
| 200 | 10406 | he input parameter %s that is mandatory for processing this request is not supplied. | 缺少参数 |
| 200 | 10407 | The specified psm,cluster,action is not support,please check params. | 缺少参数 |
| 200 | 10501 | The request processing has failed due to some unknown error, exception or failure. | 后端服务异常 |
| 200 | 10502 | The request has failed due to a temporary failure of the server. | 后端服务异常 |
| 200 | 10503 | Internal error,please contact videoarch. | 内部错误 |
| 403 | 10401 | the signature we calculated does not match the one you provided. Please refer to the API reference about authentication for details. | 签名校验失败 |
| 403 | 10402 | The Access Key ID provided does not exist in our records. | Access Key不存在 |
| 403 | 10403 | Miss the Authorization header | 缺少签名头 |
| 403 | 10404 | Request was denied due to request throttling. | 命中频控 |
这种异常会返回一个tttrace_id字段， 上传sdk在处理app_log之时，带上这个参数。