刚开始能正常使用，后来出现 dial IP:PORT, i/o timeout

[wsjackys]

[E1214/143401.204:client.go(409)] invalid SOCKS version (SOCKS5 only)
... 2 similar message(s)
[E1214/143405.066:client.go(184)] dial IP:PORT, i/o timeout
[E1214/143405.148:client.go(409)] invalid SOCKS version (SOCKS5 only)
[E1214/143405.468:client.go(184)] dial IP:PORT, i/o timeout
[E1214/143405.582:client.go(409)] invalid SOCKS version (SOCKS5 only)
[E1214/143408.501:client.go(184)] dial IP:PORT, i/o timeout
[E1214/143408.539:client.go(409)] invalid SOCKS version (SOCKS5 only)
[E1214/143410.163:client.go(184)] dial IP:PORT, i/o timeout
[E1214/143410.244:client.go(409)] invalid SOCKS version (SOCKS5 only)
[E1214/143418.368:client.go(184)] dial IP:PORT, i/o timeout
[E1214/143418.401:client.go(409)] invalid SOCKS version (SOCKS5 only)
[E1214/143420.720:client.go(184)] dial IP:PORT, i/o timeout

重启过客户端了，没有效果

[coyove]

用的是 SOCKS 5 协议吗？浏览器使用HTTP协议的代理是什么输出？