具体错误如下：

12/05 20:53:14 [WARN] Neither --rpc-secret nor a combination of --rpc-user and --rpc-passwd is set. This is insecure. It is extremely recommended to specify --rpc-secret with the adequate secrecy or now deprecated --rpc-user and --rpc-passwd.

12/05 20:53:14 [ERROR] IPv4 RPC: failed to bind TCP port 10086

Exception: [SocketCore.cc:312] errorCode=1 Failed to bind a socket, cause: Address already in use

12/05 20:53:14 [ERROR] Exception caught

Exception: [DownloadEngineFactory.cc:219] errorCode=1 Failed to setup RPC server.

root@XiaoQiang:~#