diff --git a/Service/Job/SendWaterCoolJob.cs b/Service/Job/SendWaterCoolJob.cs
new file mode 100644
index 0000000..875c39d
--- /dev/null
+++ b/Service/Job/SendWaterCoolJob.cs
@@ -0,0 +1,49 @@
+using System.Collections.Concurrent;
+using HybirdFrameworkCore.Autofac.Attribute;
+using HybirdFrameworkCore.Job;
+using log4net;
+using Service.WaterCool.Client;
+
+namespace Service.Job;
+
+/// <summary>
+/// 每秒发送水冷固定帧
+/// </summary>
+[Scope]
+public class SendWaterCoolJob : AbstractCronJob
+{
+    private static readonly ILog Log = LogManager.GetLogger(typeof(SendWaterCoolJob));
+
+
+    protected override Task Handle()
+    {
+        ConcurrentDictionary<string, WaterCoolClient> waterCool = WaterCoolClientMgr.Dictionary;
+        
+        if (waterCool.Values.Count <= 0)
+        {
+            return Task.CompletedTask;
+        }
+        
+        foreach (var waterCoolClient in waterCool)
+        {
+            WaterCoolClient client = waterCoolClient.Value;
+            if (client.IsConnect && client.IsWaterCoolSend)
+            {
+                client.Send();
+                Log.Info($"水冷固定帧发送成功");
+            }
+        }
+
+        return Task.CompletedTask;
+    }
+
+    protected override string Key()
+    {
+        return "SendWaterCoolJob";
+    }
+
+    protected override string Cron()
+    {
+        return "* * * * * ? *";
+    }
+}
\ No newline at end of file
diff --git a/Service/WaterCool/Client/WaterCoolClient.cs b/Service/WaterCool/Client/WaterCoolClient.cs
index 6fb6347..b992312 100644
--- a/Service/WaterCool/Client/WaterCoolClient.cs
+++ b/Service/WaterCool/Client/WaterCoolClient.cs
@@ -4,6 +4,7 @@ using HybirdFrameworkDriver.TcpClient;
 using log4net;
 using Service.Charger.Common;
 using Service.Charger.Handler;
+using Service.WaterCool.Msg.Host;
 using Service.WaterCool.Msg.WaterCool;
 using Decoder = Service.Charger.Codec.Decoder;
 using Encoder = Service.Charger.Codec.Encoder;
@@ -25,6 +26,11 @@ public class WaterCoolClient : TcpClient<IBaseHandler, Decoder, Encoder>
     /// </summary>
     public bool IsConnect { get; set; } = false;
 
+    /// <summary>
+    /// 是否发送水冷固定帧
+    /// </summary>
+    public bool IsWaterCoolSend { get; set; } = true;
+    
     private ILog Log()
     {
         var name = "WaterCool" + this.Sn;
@@ -38,6 +44,30 @@ public class WaterCoolClient : TcpClient<IBaseHandler, Decoder, Encoder>
     /// 水冷机编号
     /// </summary>
     public string Sn { get; set; }
+    
+    /// <summary>
+    /// 无参固定发送
+    /// </summary>
+    public void Send()
+    {
+        ModeMsg modeMsg=new ModeMsg();
+        Channel.WriteAndFlushAsync(modeMsg);
+    }
+    /// <summary>
+    /// 发送
+    /// </summary>
+    /// <param name="mode">BMS 请求设定模式</param>
+    /// <param name="highTension">高压请求</param>
+    /// <param name="chargState">充电状态</param>
+    /// <param name="bmsState">BMS 高压继电器状态</param>
+    /// <param name="setTemperature">设定温度</param>
+    /// <param name="hp">生命帧</param>
+    /// <param name="crcCheckValue">CRC 效验值</param>
+    public void Send(byte mode,byte highTension,byte chargState,byte bmsState,sbyte setTemperature,byte hp,byte crcCheckValue)
+    {
+        ModeMsg modeMsg=new ModeMsg(mode,highTension,chargState,bmsState,setTemperature,hp,crcCheckValue);
+        Channel.WriteAndFlushAsync(modeMsg);
+    }
 
     /// <summary>
     ///
diff --git a/Service/WaterCool/Msg/Host/ModeMsg.cs b/Service/WaterCool/Msg/Host/ModeMsg.cs
index 3cfb1ff..2927b0f 100644
--- a/Service/WaterCool/Msg/Host/ModeMsg.cs
+++ b/Service/WaterCool/Msg/Host/ModeMsg.cs
@@ -93,5 +93,18 @@ public class ModeMsg : BaseMsg
         HP = hp;
         CrcCheckValue = crcCheckValue;
     }
+    public ModeMsg()
+    {
+        Id = 0x18FF45A7;
+        Mode = 0;
+        HighTension = 3;
+        ChargState= 0;
+        BMSState= 3;
+        SetTemperature = 0;
+        BMSHighByte = 0;
+        BMSLowByte = 0;
+        HP = 0;
+        CrcCheckValue = 0;
+    }
     
 }
\ No newline at end of file
diff --git a/WebStarter/appsettings.dev.json b/WebStarter/appsettings.dev.json
index 5bcf292..a6fd422 100644
--- a/WebStarter/appsettings.dev.json
+++ b/WebStarter/appsettings.dev.json
@@ -33,7 +33,7 @@
     "Days": 7
   },
   "Job": {
-    "Enabled": false
+    "Enabled": true
   },
   "AllowedHosts": "*"
 }