fix 任务根据设备心跳状态获取

Src/Dlhis.Basic/Device/Services/Implements/DeviceService.cs

@@ -274,25 +274,7 @@ public class DeviceService : IDeviceService
             _dbContext.Client.QueryFilter.Restore();
         }
     }
-
-    /// <summary>
-    /// 获取设备
-    /// </summary>
-    /// <param name="request"></param>
-    /// <returns></returns>
-    public async Task<DeviceResponse> GetDeviceByNoAsync(DeviceByNoRequest request)
-    {
-        var device = await _dbContext.Queryable<DeviceEntity>()
-            .Where(x => x.UniqueNo == request.UniqueNo)
-            .Select(device => new DeviceResponse
-            {
-                FuncsStr = device.Funcs.ToString(),
-                ConnectionInfoStr = device.ConnectionInfo
-            }, true)
-            .SingleAsync();
-
-        return device;
-    }
+    
 
     public async Task<List<DeviceResponse>> GetAttendanceDevicesAsync()
     {
@@ -347,7 +329,7 @@ public class DeviceService : IDeviceService
         var onlineDevices = deviceRegistries.Where(x =>
             {
                 if (x.HeartbeatInterval <= 0) return true;
-                return x.LastHeartbeatTime.AddSeconds(x.HeartbeatInterval * 3) >= now;
+                return x.LastHeartbeatTime.AddSeconds(x.HeartbeatInterval) >= now;
             })
             .Select(x => new
             {