diff --git a/Src/Dlhis.ScheduledTask/Jobs/HeartbeatJob.cs b/Src/Dlhis.ScheduledTask/Jobs/HeartbeatJob.cs
index 1ae4e240..6bd12e2c 100644
--- a/Src/Dlhis.ScheduledTask/Jobs/HeartbeatJob.cs
+++ b/Src/Dlhis.ScheduledTask/Jobs/HeartbeatJob.cs
@@ -2,6 +2,7 @@
 using System.Net.Sockets;
 using Dlhis.Entity.Basic.Entity;
 using Dlhis.Entity.Device.Entities;
+using Kurisu.AspNetCore.Utils;
 using Kurisu.Core.CustomClass;
 using Kurisu.Scheduled;
 using Kurisu.Scheduled.Attributes;
@@ -15,12 +16,18 @@ namespace Dlhis.ScheduledTask.Jobs;
 [RecurringJob(nameof(HeartbeatJob), "0/10 * * * * ?", Name = "设备心跳")]
 public class HeartbeatJob : BaseJob
 {
-    public HeartbeatJob(IServiceProvider serviceProvider) : base(serviceProvider)
+    private readonly RedisCache _redisCache;
+
+    public HeartbeatJob(IServiceProvider serviceProvider, RedisCache redisCache) : base(serviceProvider)
     {
+        _redisCache = redisCache;
     }
 
     public override async Task RunAsync(IServiceProvider serviceProvider)
     {
+        var key = "heardbeat-devices";
+        await _redisCache.KeyDeleteAsync(key);
+
         var devices = await DbContext.Queryable<DeviceEntity>().Where(x => x.Enable).Where(x => x.HeartbeatInterval > 0).ToListAsync();
         foreach (var device in devices)
         {
@@ -34,6 +41,8 @@ public class HeartbeatJob : BaseJob
 
                 await DbContext.Updateable<DeviceRegistryEntity>().SetColumns(x => x.LastHeartbeatTime == DateTime.Now)
                      .Where(x => x.DeviceUniqueNo == device.UniqueNo).ExecuteCommandAsync();
+
+                await _redisCache.ListLeftPushAsync(key, device.UniqueNo);
             }
             catch (Exception)
             {
diff --git a/Src/Dlhis.ScheduledTask/Program.cs b/Src/Dlhis.ScheduledTask/Program.cs
index c456425f..cfbd0021 100644
--- a/Src/Dlhis.ScheduledTask/Program.cs
+++ b/Src/Dlhis.ScheduledTask/Program.cs
@@ -1,4 +1,5 @@
 using Kurisu.AspNetCore.Startup;
+using Kurisu.AspNetCore.Utils;
 using Kurisu.AspNetCore.Utils.Extensions;
 using Kurisu.Startup;
 
@@ -25,6 +26,6 @@ public class Startup : DefaultStartup
     public override void Configure(IApplicationBuilder app, IWebHostEnvironment env)
     {
         base.Configure(app, env);
-        app.UseSnowFlakeDistributedInitialize();
+        SnowFlakeHelper.Initialize(2, 1);
     }
 }
\ No newline at end of file
diff --git a/Src/Dlhis.ScheduledTask/TaskAssignment/Services/Implements/AssignmentService.cs b/Src/Dlhis.ScheduledTask/TaskAssignment/Services/Implements/AssignmentService.cs
index eabf443b..c94954c5 100644
--- a/Src/Dlhis.ScheduledTask/TaskAssignment/Services/Implements/AssignmentService.cs
+++ b/Src/Dlhis.ScheduledTask/TaskAssignment/Services/Implements/AssignmentService.cs
@@ -14,6 +14,7 @@ using Kurisu.SqlSugar.Extensions;
 using Newtonsoft.Json.Linq;
 using Kurisu.Core.CustomClass;
 using Kurisu.AspNetCore;
+using Kurisu.AspNetCore.Utils;
 
 namespace Dlhis.ScheduledTask.TaskAssignment.Services.Implements;
 
@@ -21,15 +22,21 @@ public class AssignmentService : IAssignmentService
 {
     private readonly IDbContext _dbContext;
     private readonly ILogger<AssignmentService> _logger;
+    private readonly RedisCache _redisCache;
 
-    public AssignmentService(IDbContext dbContext, ILogger<AssignmentService> logger)
+    public AssignmentService(IDbContext dbContext, ILogger<AssignmentService> logger, RedisCache redisCache)
     {
         _dbContext = dbContext;
         _logger = logger;
+        _redisCache = redisCache;
     }
 
     public async Task<List<DeviceTaskToDeviceByDeviceResponse>> DeviceGetTasksAsync(DeviceTaskGetRequest request)
     {
+        //获取心跳设备
+        var key = "heardbeat-devices";
+        var heartbeatDeviceNos = (await _redisCache.ListRangeAsync(key))?.Select(x => x.ToString()).ToList();
+
         var data = await ContinueUpdateAsync(async () =>
         {
             var page = await _dbContext.Queryable<DeviceTaskEntity>()
@@ -42,6 +49,7 @@ public class AssignmentService : IAssignmentService
              .WhereIF(request.Types.IsPresent(), deviceTask => request.Types.Contains(deviceTask.Type))
              .WhereIF(!request.IsProcess, deviceTask => deviceTask.Status == DeviceTaskStatusEnumType.Wait)
              .WhereIF(request.IsProcess, deviceTask => deviceTask.Status == DeviceTaskStatusEnumType.Process)
+             .Where(deviceTask => heartbeatDeviceNos.Contains(deviceTask.DeviceUniqueNo))
              .OrderBy(deviceTask => deviceTask.CreateTime)
              .Select((deviceTask, deivce, deivceTamplate, ga, department) => new
              {