diff --git a/Src/Dlhis.Basic/Organization/Services/Implements/DepartmentService.cs b/Src/Dlhis.Basic/Organization/Services/Implements/DepartmentService.cs
index fd4f8e74..a7cfd72d 100644
--- a/Src/Dlhis.Basic/Organization/Services/Implements/DepartmentService.cs
+++ b/Src/Dlhis.Basic/Organization/Services/Implements/DepartmentService.cs
@@ -35,7 +35,7 @@ public class DepartmentService : IDepartmentService
         {
             Name = x.Name,
             No = x.Code,
-            PNo = x.PCode,
+            PNo = null,
             Tenant = x.Code,
             _Next = tops.Select(item =>
             {