diff --git a/services/JiShe.CollectBus.Application.Contracts/Samples/SampleDto.cs b/services/JiShe.CollectBus.Application.Contracts/Samples/SampleDto.cs
index 12f46d1..c32d892 100644
--- a/services/JiShe.CollectBus.Application.Contracts/Samples/SampleDto.cs
+++ b/services/JiShe.CollectBus.Application.Contracts/Samples/SampleDto.cs
@@ -14,3 +14,12 @@ public class SampleDto2
 {
     public int Value { get; set; }
 }
+
+
+public class KafkaSendDto
+{
+    public string Address { get; set; }
+
+    public string Frame { get; set; }
+
+}
diff --git a/services/JiShe.CollectBus.Application/Plugins/TcpMonitor.cs b/services/JiShe.CollectBus.Application/Plugins/TcpMonitor.cs
index 25d16f3..049db1f 100644
--- a/services/JiShe.CollectBus.Application/Plugins/TcpMonitor.cs
+++ b/services/JiShe.CollectBus.Application/Plugins/TcpMonitor.cs
@@ -100,16 +100,17 @@ namespace JiShe.CollectBus.Plugins
         {
             //todo: 删除Redis缓存
             var tcpSessionClient = (ITcpSessionClient)client;
-            var entity = await _deviceRepository.FindAsync(a => a.ClientId == tcpSessionClient.Id);
-            if (entity != null)
-            {
-                entity.UpdateByOnClosed();
-                await _deviceRepository.UpdateAsync(entity);
-            }
-            else
-            {
-                _logger.LogWarning($"[TCP] ID:{tcpSessionClient.Id} IP:{client.GetIPPort()}已关闭连接,但采集程序检索失败");
-            }
+            //var entity = await _deviceRepository.FindAsync(a => a.ClientId == tcpSessionClient.Id);
+            //if (entity != null)
+            //{
+            //    entity.UpdateByOnClosed();
+            //    await _deviceRepository.UpdateAsync(entity);
+            //}
+            //else
+            //{
+            //_logger.LogWarning($"[TCP] ID:{tcpSessionClient.Id} IP:{client.GetIPPort()}已关闭连接,但采集程序检索失败");
+            //}
+            _logger.LogWarning($"[TCP] ID:{tcpSessionClient.Id} IP:{client.GetIPPort()}已关闭连接");
 
             await e.InvokeNext();
         }
diff --git a/services/JiShe.CollectBus.Application/Samples/SampleAppService.cs b/services/JiShe.CollectBus.Application/Samples/SampleAppService.cs
index ea2415e..4cb325c 100644
--- a/services/JiShe.CollectBus.Application/Samples/SampleAppService.cs
+++ b/services/JiShe.CollectBus.Application/Samples/SampleAppService.cs
@@ -14,6 +14,7 @@ using JiShe.CollectBus.IotSystems.Ammeters;
 using JiShe.CollectBus.IotSystems.PrepayModel;
 using JiShe.CollectBus.Kafka.Attributes;
 using JiShe.CollectBus.Kafka.Internal;
+using JiShe.CollectBus.Kafka.Producer;
 using JiShe.CollectBus.Protocol.Interfaces;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
@@ -24,6 +25,7 @@ using System;
 using System.Collections.Generic;
 using System.Diagnostics;
 using System.Threading.Tasks;
+using TouchSocket.Sockets;
 
 namespace JiShe.CollectBus.Samples;
 
@@ -35,14 +37,18 @@ public class SampleAppService : CollectBusAppService, ISampleAppService, IKafkaS
     private readonly IoTDbOptions _options;
     private readonly IRedisDataCacheService _redisDataCacheService;
 
+    private readonly IProducerService _producerService;
+    private readonly ITcpService _tcpService;
     public SampleAppService(IIoTDbProvider iotDBProvider, IOptions<IoTDbOptions> options,
-        IoTDBRuntimeContext dbContext, ILogger<SampleAppService> logger, IRedisDataCacheService redisDataCacheService)
+        IoTDBRuntimeContext dbContext, ILogger<SampleAppService> logger, IRedisDataCacheService redisDataCacheService, IProducerService producerService, ITcpService tcpService)
     {
         _iotDBProvider = iotDBProvider;
         _options = options.Value;
         _dbContext = dbContext;
         _logger = logger;
         _redisDataCacheService = redisDataCacheService;
+        _producerService =producerService;
+        _tcpService=tcpService;
     }
 
     /// <summary>
@@ -399,5 +405,44 @@ public class SampleAppService : CollectBusAppService, ISampleAppService, IKafkaS
         _logger.LogWarning($"收到订阅消息： {obj}");
        return SubscribeAck.Success();
     }
+
+    /// <summary>
+    /// 测试Kafka下发报文
+    /// </summary>
+    /// <param name="input"></param>
+    /// <returns></returns>
+    [AllowAnonymous]
+    public async Task<bool> KafkaSendAsync(KafkaSendDto input)
+    {
+         ArgumentException.ThrowIfNullOrWhiteSpace(input.Address);
+        ArgumentException.ThrowIfNullOrWhiteSpace(input.Frame);
+        input.Frame = input.Frame.Replace(" ", "");
+        await _producerService.ProduceAsync<KafkaSendDto>(ProtocolConst.TESTSENDTOPIC, input);
+        return await Task.FromResult(true);
+    }
+
+
+    /// <summary>
+    /// 订阅下发的数据
+    /// </summary>
+    /// <param name="dto"></param>
+    /// <returns></returns>
+    [KafkaSubscribe(ProtocolConst.TESTSENDTOPIC)]
+
+    public async Task<ISubscribeAck> KafkaSubscribeTestSendAsync(KafkaSendDto dto)
+    {
+        if (_tcpService.ClientExists(dto.Address))
+        {
+            // 发送给设备
+            await _tcpService.SendAsync(dto.Address, dto.Frame);
+            _logger.LogWarning($"{dto.Address}下发消息报文：{dto.Frame}");
+        }
+        else
+        {
+            _logger.LogWarning($"{dto.Address}集中器未上线： {dto.Serialize()}");
+        }
+            // 测试不管是否上线都ACK
+        return SubscribeAck.Success();
+    }
 }
 
diff --git a/shared/JiShe.CollectBus.Common/Consts/ProtocolConst.cs b/shared/JiShe.CollectBus.Common/Consts/ProtocolConst.cs
index 95c2c44..0758899 100644
--- a/shared/JiShe.CollectBus.Common/Consts/ProtocolConst.cs
+++ b/shared/JiShe.CollectBus.Common/Consts/ProtocolConst.cs
@@ -170,5 +170,10 @@ namespace JiShe.CollectBus.Common.Consts
         /// 测试主题格式
         /// </summary>
         public const string TESTTOPIC = "test-topic";
+
+        /// <summary>
+        /// 测试下发主题格式
+        /// </summary>
+        public const string TESTSENDTOPIC = "test-send-topic";
     }
 }
diff --git a/web/JiShe.CollectBus.Host/Pages/Monitor.cshtml b/web/JiShe.CollectBus.Host/Pages/Monitor.cshtml
index 30e91e8..a58ded5 100644
--- a/web/JiShe.CollectBus.Host/Pages/Monitor.cshtml
+++ b/web/JiShe.CollectBus.Host/Pages/Monitor.cshtml
@@ -16,7 +16,6 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <link href="libs/bootstrap/css/bootstrap.min.css" rel="stylesheet" />
     <title>后端服务</title>
-
 </head>
    
 <body>