Merge pull request #576 from gtt116/master

Close connection if frpc can't connection to local server

client/proxy.go

@@ -434,6 +434,7 @@ func HandleTcpWorkConnection(localInfo *config.LocalSvrConf, proxyPlugin plugin.
 		localConn, err := frpNet.ConnectServer("tcp", fmt.Sprintf("%s:%d", localInfo.LocalIp, localInfo.LocalPort))
 		if err != nil {
 			workConn.Error("connect to local service [%s:%d] error: %v", localInfo.LocalIp, localInfo.LocalPort, err)
+			remote.Close()
 			return
 		}