同一个接口，同一端代码， 小于 7KB 文件能上传成功 ， 大于7KB抛错，而且为什么不是http status 中返回400或者403，而是要在200的body 中给我返回一个包含错误的XML.... <Error> <Code>AccessDenied</Code> <Message>Access Denied.</Message> <ServerTime>2020-06-11T06:43:11Z</ServerTime> <Resource>cos.ap-shanghai.myqcloud.com/6465-development-iy5s8-1302174527/imports/pdd99.text</Resource> <RequestId>NWVlMWQyN2ZfMzk0MzIyMDlfOTJjZF8zNTcxOTEw</RequestId> <TraceId>OGVmYzZiMmQzYjA2OWNhODk0NTRkMTBiOWVmMDAxODc0OWRkZjk0ZDM1NmI1M2E2MTRlY2MzZDhmNmI5MWI1OTQyYWVlY2QwZTk2MDVmZDQ3MmI2Y2I4ZmI5ZmM4ODFjYjEzMGU3N2I0OTJjYTAwYWExNjJhODI1NTRkOGZlM2Y=</TraceId> </Error> 偶尔还报 <Error> <Code>InvalidAccessKeyId</Code> <Message>The Access Key Id you provided does not exist in our records</Message> <Resource>cos.ap-shanghai.myqcloud.com/6465-development-iy5s8-1302174527/imports/pdd99.text</Resource> <RequestId>NWVlMWQyOTJfMTg5ZDA4MDlfOWVhM18yZTgwNzhm</RequestId> <TraceId>OGVmYzZiMmQzYjA2OWNhODk0NTRkMTBiOWVmMDAxODc0OWRkZjk0ZDM1NmI1M2E2MTRlY2MzZDhmNmI5MWI1OTQyYWVlY2QwZTk2MDVmZDQ3MmI2Y2I4ZmI5ZmM4ODFjZWEzNjIyNDdiZTcyYTgzMzlmMWEwYmU4YjI5MTMyMjk=</TraceId> </Error>