diff --git a/Ems.CollectService.Analysis/BufferAnalysis.cs b/Ems.CollectService.Analysis/BufferAnalysis.cs
index 204cadd..c693a01 100644
--- a/Ems.CollectService.Analysis/BufferAnalysis.cs
+++ b/Ems.CollectService.Analysis/BufferAnalysis.cs
@@ -36,7 +36,10 @@ namespace Ems.CollectService.Analysis
             }
         }
 
-        private BufferAnalysis() { }
+        private BufferAnalysis()
+        {
+            logger.Info($"版本更新，修复连接ID重复，主动断开原有连接信息建立新连接");
+        }
 
         /// <summary>
         /// 登录指令
@@ -45,7 +48,7 @@ namespace Ems.CollectService.Analysis
         /// <param name="buffer"></param>
         /// <param name="count"></param>
         /// <returns></returns>
-        public bool LoginMessageHandling(SocketClient client, byte[] buffer, int count)
+        public bool LoginMessageHandling(SocketClient client, byte[] buffer, int count,TcpService tcpService)
         {
             byte[] array = new byte[2];
             var flag = "";
@@ -72,18 +75,37 @@ namespace Ems.CollectService.Analysis
                 Array.Copy(buffer, 2, array, 0, 2);
                 string text = Encoding.ASCII.GetString(buffer, 1, 1) + msgUtil.ConverToString(array);
                 
-                if (SendMessageToClient(client, messagePack))
+                string clientIdStr = flag.ToString();
+                if (clientIdStr.Contains("45"))
                 {
-                    logger.Info($"向客户端：{client.ID}；地址：{client.GetIPPort()}；回复登录指令成功");
-                    client.ResetID(flag.ToString());
-
-                    if(client.ID.Length >= 4 )
+                    var clients = tcpService.GetClients();
+                    var info = clients.Where(x => x.ID == clientIdStr).ToList();
+                    if (info.Count > 0)
+                    {
+                        logger.Trace($"客户端：{client.ID}；地址：{client.GetIPPort()}；已存在连接信息，主动断开已有连接");
+                        foreach (var item in info)
+                        {
+                            item.Close();
+                            logger.Trace($"客户端：{item.ID}；地址：{item.GetIPPort()}；已断开");
+                        }
+                    }
+                    if (client.ID != clientIdStr)
                     {
-                        string clientId = string.Format("E{0}", client.ID.ToString().Substring(2, client.ID.ToString().Length - 2));
-                        UpdateCollectDeviceOnLineState(clientId, 1);
+                        client.ResetID(clientIdStr);
                     }
+                
+                    if (SendMessageToClient(client, messagePack))
+                    {
+                        logger.Info($"向客户端：{client.ID}；地址：{client.GetIPPort()}；回复登录指令成功");
+                    
+                        if(client.ID.Length >= 4 )
+                        {
+                            string clientId = string.Format("E{0}", client.ID.ToString().Substring(2, client.ID.ToString().Length - 2));
+                            UpdateCollectDeviceOnLineState(clientId, 1);
+                        }
 
-                    return true;
+                        return true;
+                    }
                 }
                 
                 return false;
@@ -91,6 +113,7 @@ namespace Ems.CollectService.Analysis
             catch (Exception ex)
             {
                 logger.Error($"LoginMessageHandling登录指令解析异常：{ex.Message}");
+                client.Close();
                 return false;
             }
         }
@@ -130,6 +153,8 @@ namespace Ems.CollectService.Analysis
                 if(SendMessageAsync(client, SendMessagePackInfo))
                 {
                     logger.Debug($"向客户端：{client.ID}；地址：{client.GetIPPort()}；回复心跳指令成功");
+                    //bool isRes = SendTimeSyncToClient(client, SendMessagePackInfo);
+                    //logger.Info($"向客户端：{client.ID}；地址：{client.GetIPPort()}；发送校时指令{(isRes ? "成功":"失败")}");
                     return true;
                 }
                 else
@@ -881,5 +906,61 @@ namespace Ems.CollectService.Analysis
                 return false;
             }
         }
+
+        public bool SendTimeSyncToClient(SocketClient client, MessagePack pMessagePack)
+        {
+            ushort num = 0;
+            try
+            {
+                byte[] SendBuffer = new byte[24];
+                SendBuffer[num] = pMessagePack.m_BeginChar;
+                num = (ushort)(num + 1);
+                SendBuffer[num] = pMessagePack.m_EnergyType;
+                num = (ushort)(num + 1);
+                Array.Copy(pMessagePack.m_Meteraddr, 0, SendBuffer, num, pMessagePack.m_Meteraddr.Length);
+                num = (ushort)(num + 2);
+                Array.Copy(pMessagePack.m_Msta, 0, SendBuffer, num, pMessagePack.m_Msta.Length);
+                num = (ushort)(num + 2);
+                SendBuffer[num] = pMessagePack.m_StartFlag;
+                num = (ushort)(num + 1);
+                SendBuffer[num] = pMessagePack.m_MessageType;
+                num = (ushort)(num + 1);
+                Array.Copy(pMessagePack.m_PackLen, 0, SendBuffer, num, pMessagePack.m_PackLen.Length);
+                num = (ushort)(num + 2);
+                
+                DateTime currentTime = DateTime.Now;
+                byte[] timeBuffer = new byte[]
+                {
+                    0x00,
+                    0x00,
+                    0x00,
+                    0x00,
+                    0x00,
+                    0x00,
+                    (byte)currentTime.Second,
+                    (byte)currentTime.Minute,
+                    (byte)currentTime.Hour,
+                    (byte)(currentTime.Year%100),
+                    (byte)currentTime.Month,
+                    (byte)currentTime.Day,
+                };
+                Array.Copy(timeBuffer, 0, SendBuffer, num, timeBuffer.Length);
+                num = (ushort)(num + 12);
+                
+                pMessagePack.m_Verify = MsgUtil.CalculateVerify(SendBuffer, SendBuffer.Length - 1)[0];
+                SendBuffer[num] = pMessagePack.m_Verify;
+                num = (ushort)(num + 1);
+                SendBuffer[num] = pMessagePack.m_EndChar;
+                logger.Info($"向客户端：{client.ID}；地址：{client.GetIPPort()}；发送终端消息：{msgUtil.bytesToHexStr(SendBuffer, SendBuffer.Length)}");
+
+                client.SendAsync(SendBuffer);
+                return true;
+            }
+            catch (Exception ex)
+            {
+                logger.Error($"SendMessageToClient异常：{ex.Message}");
+                return false;
+            }
+        }
     }
 }
diff --git a/Ems.CollectService.TouchSocket/TcpServer.cs b/Ems.CollectService.TouchSocket/TcpServer.cs
index 949b176..35d3885 100644
--- a/Ems.CollectService.TouchSocket/TcpServer.cs
+++ b/Ems.CollectService.TouchSocket/TcpServer.cs
@@ -69,7 +69,7 @@ namespace Ems.CollectService.TouchSocket
                     {
                         string body = Encoding.UTF8.GetString(myRequestInfo.Body, 0, myRequestInfo.Body.Length);
 
-                        bufferMemory(client, myRequestInfo);
+                        bufferMemory(client, myRequestInfo,service);
                     }
                 };
 
@@ -102,7 +102,7 @@ namespace Ems.CollectService.TouchSocket
         /// </summary>
         /// <param name="clientId"></param>
         /// <param name="requestInfo"></param>
-        private void bufferMemory(SocketClient client, MyFixedHeaderRequestInfo requestInfo)
+        private void bufferMemory(SocketClient client, MyFixedHeaderRequestInfo requestInfo,TcpService tcpService)
         {
             try
             {
@@ -120,7 +120,7 @@ namespace Ems.CollectService.TouchSocket
                         //登录指令 =>回复登录指令、下发校时指令
                         //db.StringSet("LoginMessage:" + clientId, body, TimeSpan.FromMinutes(10));
                         logger.Info($"{client.ID}登录指令，Header：{header}；Body：{body}");
-                        bufferAnalysis.LoginMessageHandling(client, buffer, requestInfo.Header.Length + requestInfo.Body.Length);
+                        bufferAnalysis.LoginMessageHandling(client, buffer, requestInfo.Header.Length + requestInfo.Body.Length,tcpService);
                         break;
                     case 0X24:
                         //心跳指令