diff --git a/proxy/shadowsocks/server.go b/proxy/shadowsocks/server.go
index b3745c50..9fccb255 100644
--- a/proxy/shadowsocks/server.go
+++ b/proxy/shadowsocks/server.go
@@ -25,18 +25,19 @@ type Server struct {
 	account *ShadowsocksAccount
 }
 
+// NewServer create a new Shadowsocks server.
 func NewServer(ctx context.Context, config *ServerConfig) (*Server, error) {
 	space := app.SpaceFromContext(ctx)
 	if space == nil {
-		return nil, errors.New("no space in context").Path("Shadowsocks", "Server")
+		return nil, errors.New("no space in context").Path("Proxy", "Shadowsocks", "Server")
 	}
 	if config.GetUser() == nil {
-		return nil, errors.New("user is not specified").Path("Shadowsocks", "Server")
+		return nil, errors.New("user is not specified").Path("Proxy", "Shadowsocks", "Server")
 	}
 
 	rawAccount, err := config.User.GetTypedAccount()
 	if err != nil {
-		return nil, errors.New("failed to get user account").Base(err).Path("Shadowsocks", "Server")
+		return nil, errors.New("failed to get user account").Base(err).Path("Proxy", "Shadowsocks", "Server")
 	}
 	account := rawAccount.(*ShadowsocksAccount)
 
@@ -66,7 +67,7 @@ func (s *Server) Process(ctx context.Context, network net.Network, conn internet
 	case net.Network_UDP:
 		return s.handlerUDPPayload(ctx, conn, dispatcher)
 	default:
-		return errors.New("unknown network: ", network).Path("Shadowsocks", "Server")
+		return errors.New("unknown network: ", network).Path("Proxy", "Shadowsocks", "Server")
 	}
 }
 
@@ -83,7 +84,7 @@ func (v *Server) handlerUDPPayload(ctx context.Context, conn internet.Connection
 		request, data, err := DecodeUDPPacket(v.user, payload)
 		if err != nil {
 			if source, ok := proxy.SourceFromContext(ctx); ok {
-				log.Trace(errors.New("dropping invalid UDP packet from: ", source).Base(err).Path("Shadowsocks", "Server"))
+				log.Trace(errors.New("dropping invalid UDP packet from: ", source).Base(err).Path("Proxy", "Shadowsocks", "Server"))
 				log.Access(source, "", log.AccessRejected, err)
 			}
 			payload.Release()
@@ -91,13 +92,13 @@ func (v *Server) handlerUDPPayload(ctx context.Context, conn internet.Connection
 		}
 
 		if request.Option.Has(RequestOptionOneTimeAuth) && v.account.OneTimeAuth == Account_Disabled {
-			log.Trace(errors.New("client payload enables OTA but server doesn't allow it").Path("Shadowsocks", "Server"))
+			log.Trace(errors.New("client payload enables OTA but server doesn't allow it").Path("Proxy", "Shadowsocks", "Server"))
 			payload.Release()
 			continue
 		}
 
 		if !request.Option.Has(RequestOptionOneTimeAuth) && v.account.OneTimeAuth == Account_Enabled {
-			log.Trace(errors.New("client payload disables OTA but server forces it").Path("Shadowsocks", "Server"))
+			log.Trace(errors.New("client payload disables OTA but server forces it").Path("Proxy", "Shadowsocks", "Server"))
 			payload.Release()
 			continue
 		}
@@ -106,7 +107,7 @@ func (v *Server) handlerUDPPayload(ctx context.Context, conn internet.Connection
 		if source, ok := proxy.SourceFromContext(ctx); ok {
 			log.Access(source, dest, log.AccessAccepted, "")
 		}
-		log.Trace(errors.New("tunnelling request to ", dest).Path("Shadowsocks", "Server"))
+		log.Trace(errors.New("tunnelling request to ", dest).Path("Proxy", "Shadowsocks", "Server"))
 
 		ctx = protocol.ContextWithUser(ctx, request.User)
 		udpServer.Dispatch(ctx, dest, data, func(payload *buf.Buffer) {
@@ -114,7 +115,7 @@ func (v *Server) handlerUDPPayload(ctx context.Context, conn internet.Connection
 
 			data, err := EncodeUDPPacket(request, payload)
 			if err != nil {
-				log.Trace(errors.New("failed to encode UDP packet").Base(err).Path("Shadowsocks", "Server").AtWarning())
+				log.Trace(errors.New("failed to encode UDP packet").Base(err).Path("Proxy", "Shadowsocks", "Server").AtWarning())
 				return
 			}
 			defer data.Release()
@@ -132,7 +133,7 @@ func (s *Server) handleConnection(ctx context.Context, conn internet.Connection,
 	request, bodyReader, err := ReadTCPSession(s.user, bufferedReader)
 	if err != nil {
 		log.Access(conn.RemoteAddr(), "", log.AccessRejected, err)
-		return errors.New("failed to create request from: ", conn.RemoteAddr()).Base(err).Path("Shadowsocks", "Server")
+		return errors.New("failed to create request from: ", conn.RemoteAddr()).Base(err).Path("Proxy", "Shadowsocks", "Server")
 	}
 	conn.SetReadDeadline(time.Time{})
 
@@ -140,7 +141,7 @@ func (s *Server) handleConnection(ctx context.Context, conn internet.Connection,
 
 	dest := request.Destination()
 	log.Access(conn.RemoteAddr(), dest, log.AccessAccepted, "")
-	log.Trace(errors.New("tunnelling request to ", dest).Path("Shadowsocks", "Server"))
+	log.Trace(errors.New("tunnelling request to ", dest).Path("Proxy", "Shadowsocks", "Server"))
 
 	ctx = protocol.ContextWithUser(ctx, request.User)
 
@@ -155,7 +156,7 @@ func (s *Server) handleConnection(ctx context.Context, conn internet.Connection,
 		bufferedWriter := buf.NewBufferedWriter(conn)
 		responseWriter, err := WriteTCPResponse(request, bufferedWriter)
 		if err != nil {
-			return errors.New("failed to write response").Base(err).Path("Shadowsocks", "Server")
+			return errors.New("failed to write response").Base(err).Path("Proxy", "Shadowsocks", "Server")
 		}
 
 		mergeReader := buf.NewMergingReader(ray.InboundOutput())
@@ -173,7 +174,7 @@ func (s *Server) handleConnection(ctx context.Context, conn internet.Connection,
 		}
 
 		if err := buf.PipeUntilEOF(timer, mergeReader, responseWriter); err != nil {
-			return errors.New("failed to transport all TCP response").Base(err).Path("Shadowsocks", "Server")
+			return errors.New("failed to transport all TCP response").Base(err).Path("Proxy", "Shadowsocks", "Server")
 		}
 
 		return nil
@@ -183,7 +184,7 @@ func (s *Server) handleConnection(ctx context.Context, conn internet.Connection,
 		defer ray.InboundInput().Close()
 
 		if err := buf.PipeUntilEOF(timer, bodyReader, ray.InboundInput()); err != nil {
-			return errors.New("failed to transport all TCP request").Base(err).Path("Shadowsocks", "Server")
+			return errors.New("failed to transport all TCP request").Base(err).Path("Proxy", "Shadowsocks", "Server")
 		}
 		return nil
 	})
@@ -191,7 +192,7 @@ func (s *Server) handleConnection(ctx context.Context, conn internet.Connection,
 	if err := signal.ErrorOrFinish2(ctx, requestDone, responseDone); err != nil {
 		ray.InboundInput().CloseError()
 		ray.InboundOutput().CloseError()
-		return errors.New("connection ends").Base(err).Path("Shadowsocks", "Server")
+		return errors.New("connection ends").Base(err).Path("Proxy", "Shadowsocks", "Server")
 	}
 
 	runtime.KeepAlive(timer)