diff --git a/modules/cms-kit/src/Volo.CmsKit.Domain/Volo/CmsKit/MarkedItems/MarkedItemManager.cs b/modules/cms-kit/src/Volo.CmsKit.Domain/Volo/CmsKit/MarkedItems/MarkedItemManager.cs
index 13510be7ac..8be3bfdeca 100644
--- a/modules/cms-kit/src/Volo.CmsKit.Domain/Volo/CmsKit/MarkedItems/MarkedItemManager.cs
+++ b/modules/cms-kit/src/Volo.CmsKit.Domain/Volo/CmsKit/MarkedItems/MarkedItemManager.cs
@@ -6,8 +6,10 @@ using Volo.Abp;
 namespace Volo.CmsKit.MarkedItems;
 public class MarkedItemManager : CmsKitDomainServiceBase
 {
-    IMarkedItemDefinitionStore MarkedItemDefinitionStore { get; set; }
-    IUserMarkedItemRepository UserMarkedItemRepository { get; set; }
+    protected IMarkedItemDefinitionStore MarkedItemDefinitionStore { get; set; }
+
+    protected IUserMarkedItemRepository UserMarkedItemRepository { get; set; }
+
     public MarkedItemManager(
         IUserMarkedItemRepository userMarkedItemRepository,
         IMarkedItemDefinitionStore markedItemDefinitionStore)