diff --git a/tcpserver/func.go b/tcpserver/func.go
index 27bdf65..10a33b6 100644
--- a/tcpserver/func.go
+++ b/tcpserver/func.go
@@ -64,13 +64,10 @@ func (s *Server) HandleAuth(client *Client, message []byte) error {
 		return fmt.Errorf("更新设备版本号失败")
 	}
 
-	if client.authTimer != nil {
-		client.authTimer.Stop()
-		client.authTimer = nil
-	}
-
+	// 设置客户端信息
 	client.Imei = msg.Imei
 	client.IsAuth = true
+	client.LastPing = time.Now()
 
 	//response := Message{
 	//	MessageType: MessageType{Type: "reg"},
@@ -86,7 +83,7 @@ func (s *Server) HandleAuth(client *Client, message []byte) error {
 
 	responseData, err := json.Marshal(response)
 	if err != nil {
-		return err
+		return fmt.Errorf("failed to marshal response: %w", err)
 	}
 
 	_, err = client.Conn.Write(append(responseData, '\r', '\n'))
diff --git a/tcpserver/handler.go b/tcpserver/handler.go
index 3a41692..598d21b 100644
--- a/tcpserver/handler.go
+++ b/tcpserver/handler.go
@@ -8,6 +8,7 @@ import (
 	"fmt"
 	"net"
 	"strings"
+	"time"
 )
 
 type TCPHandler struct {
@@ -18,17 +19,19 @@ type TCPHandler struct {
 func (h *TCPHandler) HandleClient(conn net.Conn) {
 	reader := bufio.NewReader(conn)
 	clientID := conn.RemoteAddr().String()
-	var client *Client
-	if value, ok := h.Server.GetClient(clientID); ok {
-		client = value
-	} else {
-		fmt.Println("找不到客户端:", clientID)
-		return
+	
+	// 创建临时客户端对象
+	tempClient := &Client{
+		ID:          clientID,
+		Conn:        conn,
+		ConnectedAt: time.Now(),
+		LastPing:    time.Now(),
+		Done:        make(chan struct{}),
 	}
 
 	broadcastMessage := func(data []byte) {
-		if h.Hub != nil {
-			h.Hub.Broadcast <- &ws.WsMessage{IMEI: client.Imei, Data: string(data)}
+		if h.Hub != nil && tempClient.IsAuth {
+			h.Hub.Broadcast <- &ws.WsMessage{IMEI: tempClient.Imei, Data: string(data)}
 		}
 	}
 
@@ -66,143 +69,146 @@ func (h *TCPHandler) HandleClient(conn net.Conn) {
 
 		switch msgType {
 		case "reg":
-			if err := h.Server.HandleAuth(client, message); err != nil {
+			// 处理注册
+			if err := h.Server.HandleAuth(tempClient, message); err != nil {
 				fmt.Printf("客户端授权失败: %v\n", err)
 				conn.Close()
 				return
 			}
-			fmt.Printf("客户端已授权: %s\n", client.Imei)
+			// 注册成功后，将客户端添加到 clients map
+			h.Server.addClient(tempClient)
+			fmt.Printf("客户端已授权并注册: %s\n", tempClient.Imei)
 			broadcastMessage(message)
 
 		case "ping":
-			if !client.IsAuth {
+			if !tempClient.IsAuth {
 				fmt.Printf("来自未授权客户端的心跳 %s\n", conn.RemoteAddr())
 				conn.Close()
 				return
 			}
-			if err := h.Server.HandleHeartbeat(client, message); err != nil {
+			if err := h.Server.HandleHeartbeat(tempClient, message); err != nil {
 				fmt.Printf("心跳错误: %v\n", err)
 				continue
 			}
 			broadcastMessage(message)
 
 		case "ota":
-			if !client.IsAuth {
+			if !tempClient.IsAuth {
 				fmt.Printf("来自未授权客户端的消息 %s\n", conn.RemoteAddr())
 				conn.Close()
 				return
 			}
-			if err := h.Server.HandleOta(client, message); err != nil {
+			if err := h.Server.HandleOta(tempClient, message); err != nil {
 				fmt.Printf("OTA 错误: %v\n", err)
 				continue
 			}
 			broadcastMessage(message)
 
 		case "start":
-			if !client.IsAuth {
+			if !tempClient.IsAuth {
 				fmt.Printf("来自未授权客户端的消息 %s\n", conn.RemoteAddr())
 				conn.Close()
 				return
 			}
-			if err := h.Server.RealTimeReporting(client, message); err != nil {
+			if err := h.Server.RealTimeReporting(tempClient, message); err != nil {
 				fmt.Printf("实时上报错误: %v\n", err)
 				continue
 			}
 			broadcastMessage(message)
 
 		case "stop":
-			if !client.IsAuth {
+			if !tempClient.IsAuth {
 				fmt.Printf("来自未授权客户端的消息 %s\n", conn.RemoteAddr())
 				conn.Close()
 				return
 			}
-			if err := h.Server.StopRealTimeReporting(client, message); err != nil {
+			if err := h.Server.StopRealTimeReporting(tempClient, message); err != nil {
 				fmt.Printf("客户端停止实时上报数据 错误: %v\n", err)
 				continue
 			}
 			broadcastMessage(message)
 
 		case "up":
-			if !client.IsAuth {
+			if !tempClient.IsAuth {
 				fmt.Printf("来自未授权客户端的消息 %s\n", conn.RemoteAddr())
 				conn.Close()
 				return
 			}
-			if err := h.Server.TimingReporting(client, message); err != nil {
+			if err := h.Server.TimingReporting(tempClient, message); err != nil {
 				fmt.Printf("客户端定时上报数据 错误: %v\n", err)
 				continue
 			}
 			broadcastMessage(message)
 		case "SetConfig":
-			if !client.IsAuth {
+			if !tempClient.IsAuth {
 				fmt.Printf("来自未授权客户端的消息 %s\n", conn.RemoteAddr())
 				conn.Close()
 				return
 			}
-			if err := h.Server.SetConfig(client, message); err != nil {
+			if err := h.Server.SetConfig(tempClient, message); err != nil {
 				fmt.Printf("客户端楼层设置 错误: %v\n", err)
 				continue
 			}
 			broadcastMessage(message)
 
 		case "GetConfig":
-			if !client.IsAuth {
+			if !tempClient.IsAuth {
 				fmt.Printf("来自未授权客户端的消息 %s\n", conn.RemoteAddr())
 				conn.Close()
 				return
 			}
-			if err := h.Server.GetConfig(client, message); err != nil {
+			if err := h.Server.GetConfig(tempClient, message); err != nil {
 				fmt.Printf("获取客户端楼层设置错误: %v\n", err)
 				continue
 			}
 			broadcastMessage(message)
 
 		case "mp3a", "mp3b", "mp3c":
-			if !client.IsAuth {
+			if !tempClient.IsAuth {
 				fmt.Printf("来自未授权客户端的消息 %s\n", conn.RemoteAddr())
 				conn.Close()
 				return
 			}
-			if err := h.Server.Mp3(client, message); err != nil {
+			if err := h.Server.Mp3(tempClient, message); err != nil {
 				fmt.Printf("客户端设置语音内容错误: %v\n", err)
 				continue
 			}
 			broadcastMessage(message)
 		case "SetVoiceConf":
-			if !client.IsAuth {
+			if !tempClient.IsAuth {
 				fmt.Printf("来自未授权客户端的消息 %s\n", conn.RemoteAddr())
 				conn.Close()
 				return
 			}
-			if err := h.Server.SetVoiceConf(client, message); err != nil {
+			if err := h.Server.SetVoiceConf(tempClient, message); err != nil {
 				fmt.Printf("客户端语音配置错误: %v\n", err)
 				continue
 			}
 			broadcastMessage(message)
 		case "GetVoiceConf":
-			if !client.IsAuth {
+			if !tempClient.IsAuth {
 				fmt.Printf("来自未授权客户端的消息 %s\n", conn.RemoteAddr())
 				conn.Close()
 				return
 			}
-			if err := h.Server.GetVoiceConf(client, message); err != nil {
+			if err := h.Server.GetVoiceConf(tempClient, message); err != nil {
 				fmt.Printf("获取客户端语音配置错误: %v\n", err)
 				continue
 			}
 			broadcastMessage(message)
 		case "db":
-			if !client.IsAuth {
+			if !tempClient.IsAuth {
 				fmt.Printf("来自未授权客户端的消息 %s\n", conn.RemoteAddr())
 				conn.Close()
 				return
 			}
-			if err := h.Server.Db(client, message); err != nil {
+			if err := h.Server.Db(tempClient, message); err != nil {
 				fmt.Printf("获取客户端音量分贝错误: %v\n", err)
 				continue
 			}
 			broadcastMessage(message)
 		default:
-			if !client.IsAuth {
+			if !tempClient.IsAuth {
 				fmt.Printf("来自未授权客户端的消息 %s\n", conn.RemoteAddr())
 				conn.Close()
 				return
diff --git a/tcpserver/tcpserver.go b/tcpserver/tcpserver.go
index 021c5a4..df6e395 100644
--- a/tcpserver/tcpserver.go
+++ b/tcpserver/tcpserver.go
@@ -60,7 +60,6 @@ func (s *Server) Start() error {
 	go s.handleShutdown()
 
 	for {
-
 		select {
 		case <-s.stopChan:
 			return nil
@@ -78,21 +77,36 @@ func (s *Server) Start() error {
 			}
 		}
 
-		s.connections.Store(conn.RemoteAddr(), conn)
-		client := s.addClient(conn)
-		fmt.Printf("客户端已连接: %s\n", client.ID)
+		// 创建临时客户端，不加入 clients map
+		tempClient := &Client{
+			ID:          conn.RemoteAddr().String(),
+			Conn:        conn,
+			ConnectedAt: time.Now(),
+			LastPing:    time.Now(),
+			Done:        make(chan struct{}),
+		}
+
+		// 设置认证超时
+		time.AfterFunc(time.Minute, func() {
+			if !tempClient.IsAuth {
+				fmt.Printf("Client %s authentication timeout\n", tempClient.ID)
+				conn.Close()
+			}
+		})
 
 		s.wg.Add(1)
-		go func(c net.Conn, clientID string) {
+		go func(c net.Conn, client *Client) {
 			defer s.wg.Done()
 			defer func() {
 				s.connections.Delete(c.RemoteAddr())
-				s.removeClient(clientID)
+				if client.IsAuth {
+					s.removeClient(client.ID)
+				}
 				c.Close()
-				fmt.Printf("客户端已断开连接: %s\n", clientID)
+				fmt.Printf("客户端已断开连接: %s\n", client.ID)
 			}()
 			s.Handler(c)
-		}(conn, client.ID)
+		}(conn, tempClient)
 	}
 }
 
@@ -126,29 +140,13 @@ func (s *Server) GetOnlineClients() []map[string]interface{} {
 }
 
 // addClient 添加新客户端
-func (s *Server) addClient(conn net.Conn) *Client {
+func (s *Server) addClient(client *Client) {
 	s.clientsMux.Lock()
 	defer s.clientsMux.Unlock()
 
-	client := &Client{
-		ID:          conn.RemoteAddr().String(),
-		Conn:        conn,
-		ConnectedAt: time.Now(),
-		LastPing:    time.Now(),
-		Done:        make(chan struct{}),
-	}
-	s.clients[client.ID] = client
-
+	// 使用 IMEI 作为 key
+	s.clients[client.Imei] = client
 	go client.startHeartbeat(s)
-
-	client.authTimer = time.AfterFunc(time.Minute, func() {
-		if !client.IsAuth {
-			fmt.Printf("Client %s authentication timeout\n", client.ID)
-			client.Conn.Close() // 强制关闭连接
-		}
-	})
-
-	return client
 }
 
 // removeClient 移除客户端