可能是网的原因,也可能是内存不足(可能性不大),可以换个网试试,或者开个代理
Error code 56 indicates a curl
receive error of CURLE_RECV_ERROR
which means there was some issue that prevented the data from being received during the clone process. Typically this is caused by a network setting, firewall, VPN client, or anti-virus that is terminating the connection before all data has been transferred.