diff --git a/src/JT1078.Gateway.Tests/JT1078.Gateway.TestNormalHosting/Program.cs b/src/JT1078.Gateway.Tests/JT1078.Gateway.TestNormalHosting/Program.cs
index 56e4035..22acca0 100644
--- a/src/JT1078.Gateway.Tests/JT1078.Gateway.TestNormalHosting/Program.cs
+++ b/src/JT1078.Gateway.Tests/JT1078.Gateway.TestNormalHosting/Program.cs
@@ -30,10 +30,10 @@ namespace JT1078.Gateway.TestNormalHosting
                     services.AddSingleton(typeof(ILogger<>), typeof(Logger<>));
                     //使用内存队列实现会话通知
                     services.AddJT1078Gateway(hostContext.Configuration)
-                            .AddHttp()
-                            .AddUdp()
                             .AddTcp()
-                            //.AddCoordinatorHttpClient()
+                            .AddUdp()
+                            .AddHttp()
+                            .AddCoordinatorHttpClient()
                             .AddNormal()
                             .AddMsgProducer()
                             .AddMsgConsumer();
diff --git a/src/JT1078.Gateway/JT1078CoordinatorHttpClient.cs b/src/JT1078.Gateway/JT1078CoordinatorHttpClient.cs
index f983a62..f87e878 100644
--- a/src/JT1078.Gateway/JT1078CoordinatorHttpClient.cs
+++ b/src/JT1078.Gateway/JT1078CoordinatorHttpClient.cs
@@ -43,5 +43,17 @@ namespace JT1078.Gateway
         {
             await httpClient.PostAsync($"{endpoint}/heartbeat", new StringContent(content));
         }
+
+        /// <summary>
+        /// 发送设备号和通道给协调器中
+        /// </summary>
+        /// <param name="terminalPhoneNo"></param>
+        /// <param name="channelNo"></param>
+        public async ValueTask ChannelClose(string terminalPhoneNo,int channelNo)
+        {
+            //todo:通过自维护，当协调重启导致集群内网关未关闭的情况下，通过轮询的方式再去调用
+            string json = $"{{\"TerminalPhoneNo\":\"{terminalPhoneNo}\",\"ChannelNo\":\"{channelNo}\"}}";
+            await httpClient.PostAsync($"{endpoint}/ChannelClose", new StringContent(json));
+        }
     }
 }
diff --git a/src/JT1078.Gateway/Jobs/JT1078SessionNoticeJob.cs b/src/JT1078.Gateway/Jobs/JT1078SessionNoticeJob.cs
index 5a9c2d4..3de8190 100644
--- a/src/JT1078.Gateway/Jobs/JT1078SessionNoticeJob.cs
+++ b/src/JT1078.Gateway/Jobs/JT1078SessionNoticeJob.cs
@@ -1,8 +1,11 @@
-using JT1078.Gateway.Services;
+using JT1078.Gateway.Abstractions;
+using JT1078.Gateway.Services;
+using JT1078.Gateway.Sessions;
 using Microsoft.Extensions.Hosting;
 using Microsoft.Extensions.Logging;
 using System;
 using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
 using System.Text;
 using System.Text.Json;
 using System.Threading;
@@ -15,12 +18,15 @@ namespace JT1078.Gateway.Jobs
     {
         private readonly ILogger logger;
         private JT1078SessionNoticeService SessionNoticeService;
+        private JT1078HttpSessionManager HttpSessionManager;
         public JT1078SessionNoticeJob(
             JT1078SessionNoticeService sessionNoticeService,
-            ILoggerFactory loggerFactory)
+            ILoggerFactory loggerFactory,
+            [AllowNull]JT1078HttpSessionManager jT1078HttpSessionManager=null)
         {
             logger = loggerFactory.CreateLogger<JT1078SessionNoticeJob>();
             SessionNoticeService = sessionNoticeService;
+            HttpSessionManager = jT1078HttpSessionManager;
         }
 
         protected override async Task ExecuteAsync(CancellationToken stoppingToken)
@@ -34,6 +40,14 @@ namespace JT1078.Gateway.Jobs
                         {
                             logger.LogInformation($"[Notice]:{notice.TerminalPhoneNo}-{notice.ProtocolType}-{notice.SessionType}");
                         }
+                        if(JT1078GatewayConstants.SessionOffline== notice.SessionType)
+                        {
+                            if (HttpSessionManager != null)
+                            {
+                                //当1078设备主动断开的情况下，需要关闭所有再观看的连接
+                                HttpSessionManager.TryRemoveBySim(notice.TerminalPhoneNo);
+                            }
+                        }
                     }
                 }
                 catch
diff --git a/src/JT1078.Gateway/Sessions/JT1078HttpSessionManager.cs b/src/JT1078.Gateway/Sessions/JT1078HttpSessionManager.cs
index 27ab7a4..fef4040 100644
--- a/src/JT1078.Gateway/Sessions/JT1078HttpSessionManager.cs
+++ b/src/JT1078.Gateway/Sessions/JT1078HttpSessionManager.cs
@@ -48,18 +48,40 @@ namespace JT1078.Gateway.Sessions
                 {
 
                 }
-                finally
+            }
+        }
+
+        public async void TryRemoveBySim(string sim)
+        {
+            var keys=Sessions.Where(f => f.Value.Sim == sim).Select(s => s.Key);
+            foreach(var key in keys)
+            {
+                if (Sessions.TryRemove(key, out JT1078HttpContext session))
                 {
-                    //todo:session close notice
+                    try
+                    {
+                        if (session.IsWebSocket)
+                        {
+                            await session.WebSocketClose("close");
+                        }
+                        else
+                        {
+
+                            await session.HttpClose();
+                        }
+                    }
+                    catch (Exception)
+                    {
+
+                    }
                 }
-            }
+            }  
         }
 
         private void remove(string sessionId)
         {
             if (Sessions.TryRemove(sessionId, out JT1078HttpContext session))
             {
-                //todo:session close notice
             }
         }