diff --git a/Src/Dlhis.ScheduledTask/TaskAssignment/Services/Implements/DeviceTaskAssignmentService.cs b/Src/Dlhis.ScheduledTask/TaskAssignment/Services/Implements/DeviceTaskAssignmentService.cs
index b9e7b0d4..ec343847 100644
--- a/Src/Dlhis.ScheduledTask/TaskAssignment/Services/Implements/DeviceTaskAssignmentService.cs
+++ b/Src/Dlhis.ScheduledTask/TaskAssignment/Services/Implements/DeviceTaskAssignmentService.cs
@@ -111,6 +111,7 @@ public class DeviceTaskAssignmentService : IDeviceTaskAssignmentService
             .LeftJoin<GainfoLeaveEntity>((deviceTask, device, ga, gaLeave) => deviceTask.UserNo == gaLeave.No)
             .LeftJoin<DeviceRegistryEntity>((deviceTask, device, ga, gaLeave, deviceRegistry) => deviceRegistry.DeviceUniqueNo == deviceTask.DeviceUniqueNo)
             .Where(deviceTask => deviceTask.TenantId == request.Factory)
+            .WhereIF(request.Type.HasValue, deviceTask => deviceTask.DeviceType == request.Type)
             .WhereIF(!request.Search.IsEmpty(), (deviceTask, device, ga) =>
                 ga.Name == request.Search
                 || ga.Code == request.Search