diff --git a/internal/distributed/proxy/service.go b/internal/distributed/proxy/service.go
index 0059e684c9..a5ca2512d8 100644
--- a/internal/distributed/proxy/service.go
+++ b/internal/distributed/proxy/service.go
@@ -437,7 +437,10 @@ func (s *Server) init() error {
 		log.Warn("Proxy get available port when init", zap.Int("Port", Params.Port.GetAsInt()))
 	}
 
-	log.Debug("init Proxy's parameter table done", zap.String("internal address", Params.GetInternalAddress()), zap.String("external address", Params.GetAddress()))
+	log.Debug("init Proxy's parameter table done",
+		zap.String("internalAddress", Params.GetInternalAddress()),
+		zap.String("externalAddress", Params.GetAddress()),
+	)
 
 	serviceName := fmt.Sprintf("Proxy ip: %s, port: %d", Params.IP, Params.Port.GetAsInt())
 	log.Debug("init Proxy's tracer done", zap.String("service name", serviceName))
@@ -467,19 +470,21 @@ func (s *Server) init() error {
 		}
 	}
 	{
-		log.Info("Proxy server listen on tcp", zap.Int("port", Params.Port.GetAsInt()))
+		port := Params.Port.GetAsInt()
+		httpPort := HTTPParams.Port.GetAsInt()
+		log.Info("Proxy server listen on tcp", zap.Int("port", port))
 		var lis net.Listener
-		var listenErr error
 
-		log.Info("Proxy server already listen on tcp", zap.Int("port", Params.Port.GetAsInt()))
-		lis, listenErr = net.Listen("tcp", ":"+strconv.Itoa(Params.Port.GetAsInt()))
-		if listenErr != nil {
-			log.Error("Proxy server(grpc/http) failed to listen on", zap.Error(err), zap.Int("port", Params.Port.GetAsInt()))
+		log.Info("Proxy server already listen on tcp", zap.Int("port", port))
+		lis, err = net.Listen("tcp", ":"+strconv.Itoa(port))
+		if err != nil {
+			log.Error("Proxy server(grpc/http) failed to listen on", zap.Int("port", port), zap.Error(err))
 			return err
 		}
 
-		if HTTPParams.Enabled.GetAsBool() && Params.TLSMode.GetAsInt() == 0 &&
-			(HTTPParams.Port.GetValue() == "" || HTTPParams.Port.GetAsInt() == Params.Port.GetAsInt()) {
+		if HTTPParams.Enabled.GetAsBool() &&
+			Params.TLSMode.GetAsInt() == 0 &&
+			(HTTPParams.Port.GetValue() == "" || httpPort == port) {
 			s.tcpServer = cmux.New(lis)
 			s.grpcListener = s.tcpServer.MatchWithWriters(cmux.HTTP2MatchHeaderFieldSendSettings("content-type", "application/grpc"))
 			s.httpListener = s.tcpServer.Match(cmux.Any())
@@ -487,11 +492,13 @@ func (s *Server) init() error {
 			s.grpcListener = lis
 		}
 
-		if HTTPParams.Enabled.GetAsBool() && HTTPParams.Port.GetValue() != "" && HTTPParams.Port.GetAsInt() != Params.Port.GetAsInt() {
+		if HTTPParams.Enabled.GetAsBool() &&
+			HTTPParams.Port.GetValue() != "" &&
+			httpPort != port {
 			if Params.TLSMode.GetAsInt() == 0 {
-				s.httpListener, listenErr = net.Listen("tcp", ":"+strconv.Itoa(HTTPParams.Port.GetAsInt()))
-				if listenErr != nil {
-					log.Error("Proxy server(grpc/http) failed to listen on", zap.Error(err), zap.Int("port", Params.Port.GetAsInt()))
+				s.httpListener, err = net.Listen("tcp", ":"+strconv.Itoa(httpPort))
+				if err != nil {
+					log.Error("Proxy server(grpc/http) failed to listen on", zap.Int("port", port), zap.Error(err))
 					return err
 				}
 			} else if Params.TLSMode.GetAsInt() == 1 {
@@ -500,12 +507,12 @@ func (s *Server) init() error {
 					log.Error("proxy can't create creds", zap.Error(err))
 					return err
 				}
-				s.httpListener, listenErr = tls.Listen("tcp", ":"+strconv.Itoa(HTTPParams.Port.GetAsInt()), &tls.Config{
+				s.httpListener, err = tls.Listen("tcp", ":"+strconv.Itoa(httpPort), &tls.Config{
 					Certificates: []tls.Certificate{creds},
 				})
-				if listenErr != nil {
-					log.Error("Proxy server(grpc/http) failed to listen on", zap.Error(err), zap.Int("port", Params.Port.GetAsInt()))
-					return listenErr
+				if err != nil {
+					log.Error("Proxy server(grpc/http) failed to listen on", zap.Int("port", port), zap.Error(err))
+					return err
 				}
 			} else if Params.TLSMode.GetAsInt() == 2 {
 				cert, err := tls.LoadX509KeyPair(Params.ServerPemPath.GetValue(), Params.ServerKeyPath.GetValue())
@@ -531,10 +538,10 @@ func (s *Server) init() error {
 					ClientCAs:    certPool,
 					MinVersion:   tls.VersionTLS13,
 				}
-				s.httpListener, listenErr = tls.Listen("tcp", ":"+strconv.Itoa(HTTPParams.Port.GetAsInt()), tlsConf)
-				if listenErr != nil {
-					log.Error("Proxy server(grpc/http) failed to listen on", zap.Error(err), zap.Int("port", Params.Port.GetAsInt()))
-					return listenErr
+				s.httpListener, err = tls.Listen("tcp", ":"+strconv.Itoa(httpPort), tlsConf)
+				if err != nil {
+					log.Error("Proxy server(grpc/http) failed to listen on", zap.Int("port", port), zap.Error(err))
+					return err
 				}
 			}
 		}