diff --git a/inventory-backend/app/services/permission_service.py b/inventory-backend/app/services/permission_service.py
index 9024154..a89c5ba 100644
--- a/inventory-backend/app/services/permission_service.py
+++ b/inventory-backend/app/services/permission_service.py
@@ -152,6 +152,9 @@ class PermissionService:
                     )
                 ).all()
 
+            crossDomain_deleted = any(p.target_code == 'crossDomain' for p in old_perms)
+            print(f"[权限保存] company_name={repr(company_name)} role={role_code}")
+            print(f"[权限保存] 删除旧权限 {len(old_perms)} 条, crossDomain 在其中: {crossDomain_deleted}")
             for p in old_perms:
                 db.session.delete(p)
 
@@ -180,8 +183,16 @@ class PermissionService:
                 if new_records:
                     session.add_all(new_records)
 
+            crossDomain_inserted = 'crossDomain' in (permissions or [])
+            print(f"[权限保存] 新权限 {len(permissions or [])} 条, crossDomain 在提交列表中: {crossDomain_inserted}")
+
             # 4. 提交
             session.commit()
+            # 验证：提交后 crossDomain 是否还在
+            after = SysRolePermission.query.filter_by(
+                role_code=role_code, target_code='crossDomain'
+            ).first()
+            print(f"[权限保存] 提交后 crossDomain 仍在: {after is not None} (company_name={repr(after.company_name) if after else 'N/A'})")
             return True
 
         except SQLAlchemyError as e: