diff --git a/Src/Dlhis.ScheduledTask/TaskAssignment/Services/Implements/AssignmentService.cs b/Src/Dlhis.ScheduledTask/TaskAssignment/Services/Implements/AssignmentService.cs
index 2d1a22e8..b1b2ebab 100644
--- a/Src/Dlhis.ScheduledTask/TaskAssignment/Services/Implements/AssignmentService.cs
+++ b/Src/Dlhis.ScheduledTask/TaskAssignment/Services/Implements/AssignmentService.cs
@@ -260,7 +260,7 @@ public class AssignmentService : IAssignmentService
                 .Where((deviceTask, device, ga, gaLeave, department, deviceRegistry) =>
                     device.HeartbeatInterval == 0 || SqlFunc.DateAdd(deviceRegistry.LastHeartbeatTime, device.HeartbeatInterval, DateType.Second) > DateTime.Now)
 #endif
-                .OrderBy(deviceTask => new { deviceTask.CreateTime, Priority = SqlFunc.Desc(deviceTask.Priority) })
+                .OrderBy(deviceTask => new { Priority = SqlFunc.Desc(deviceTask.Priority) , deviceTask.CreateTime  })
                 .Select((deviceTask, device, ga, gaLeave, department) => new TaskDto
                 {
                     UserId = deviceTask.UserId == 0 || deviceTask.UserId == null