diff --git a/src/views/system/Department/components/EditDepartmentDialog.vue b/src/views/system/Department/components/EditDepartmentDialog.vue
index c5a1fbe5..b3bb83b4 100644
--- a/src/views/system/Department/components/EditDepartmentDialog.vue
+++ b/src/views/system/Department/components/EditDepartmentDialog.vue
@@ -176,6 +176,9 @@ const form = reactive({
     submit: () => {
         const api = form.data.id ? updateDepartment_api : addDepartment_api;
         form.data.parentId =  form.data.parentId ? form.data.parentId : '';
+        if(form.data.id && form.data?.children){
+            delete(form.data.children)
+        }
         return api(form.data);
     },
 });