修改域名后，下载文件报错

服务器问题
1

修改了域名后，下载时报错，请问这是什么原因？
DEBUG 2023-12-20 09:04:31 ( 1703034271 ) HttpStatus Changed for Socket ( 1 ) HTTP_STATE_GET_SENT → HTTP_STATE_PARSING_HTTP_HEADER
DEBUG 2023-12-20 09:04:31 ( 1703034271 ) Status Code For Socket (1 ) = 400
ERROR 2023-12-20 09:04:31 ( 1703034271 ) Handling Error - Socket ( 1 ) - SocketState = HTTP_STATE_PARSING_HTTP_HEADER ErrorText = HTTP/1.1 400 Bad Request
ERROR 2023-12-20 09:04:31 ( 1703034271 ) HTTP/1.1 400 Bad Request
INFO 2023-12-20 09:04:31 ( 1703034271 ) DownloadEngine State Changed : Starting… ( 4 ) → Error
DEBUG 2023-12-20 09:04:31 ( 1703034271 ) Socket ( 1 ) All Headers have been Parsed. Now HttpStatus = HTTP_STATE_PARSING_HTTP_HEADER And StatusCode = 400
ERROR 2023-12-20 09:04:31 ( 1703034271 ) Error Occurred. HTTP/1.1 400 Bad Request
DEBUG 2023-12-20 09:04:31 ( 1703034271 ) DownloadEngine Is Terminating , EngineState = Error.
DEBUG 2023-12-20 09:04:31 ( 1703034271 ) HttpStatus Changed for Socket ( 1 ) HTTP_STATE_PARSING_HTTP_HEADER → HTTP_STATE_VOID
INFO 2023-12-20 09:04:31 ( 1703034271 ) Closing LogFile.

2

改一下系统管理-设置中的url