CONNECT m.sg2.ssh.ipmy.co:22@m.wechat.com HTTP/1.1[crlf]Host: m.sg2.ssh.ipmy.co:22@m.wechat.com[crlf]X-Online-Host: m.sg2.ssh.ipmy.co:22@m.wechat.com[crlf]Connection: Keep-Alive[crlf]Proxy-Connection: Keep-Alive[crlf*2][raw][crlf]Connection: Keep-Alive[crlf]Proxy-Connection: Keep-Alive[crlf*2]