diff --git a/Src/Dlhis.ScheduledTask/TaskAssignment/Services/Implements/AssignmentService.cs b/Src/Dlhis.ScheduledTask/TaskAssignment/Services/Implements/AssignmentService.cs
index 5234b18c..4a068a8d 100644
--- a/Src/Dlhis.ScheduledTask/TaskAssignment/Services/Implements/AssignmentService.cs
+++ b/Src/Dlhis.ScheduledTask/TaskAssignment/Services/Implements/AssignmentService.cs
@@ -85,6 +85,7 @@ public class AssignmentService : IAssignmentService
                                 {
                                     UserId = item.UserId ?? 0,
                                     UserNo = item.UserNo,
+                                    OldUserNo = item.OldUserNo,
                                     UserCode = item.UserCode,
                                     UserName = item.UserName,
                                     DepartmentNo = item.DepartmentNo,