diff --git a/Src/Dlhis.ScheduledTask/TaskAssignment/Services/Implements/AssignmentService.cs b/Src/Dlhis.ScheduledTask/TaskAssignment/Services/Implements/AssignmentService.cs
index 4a068a8d..e0c4f58a 100644
--- a/Src/Dlhis.ScheduledTask/TaskAssignment/Services/Implements/AssignmentService.cs
+++ b/Src/Dlhis.ScheduledTask/TaskAssignment/Services/Implements/AssignmentService.cs
@@ -242,7 +242,8 @@ public class AssignmentService : IAssignmentService
 
             oldData.ForEach(d =>
             {
-                var task = deviceTasks.FirstOrDefault(x => x.UserNo == d.No && x.DeviceUniqueNo == d.DeviceUniqueNo);
+                var current = dCodes.First(x => x.Code == d.Code);
+                var task = deviceTasks.FirstOrDefault(x => x.UserNo == current.No && x.DeviceUniqueNo == current.DeviceUniqueNo);
                 if (task != null)
                 {
                     d.Status = task.Status == DeviceTaskStatusEnumType.Success