diff --git a/modules/cms-kit/host/Volo.CmsKit.Web.Unified/Volo.CmsKit.Web.Unified.csproj b/modules/cms-kit/host/Volo.CmsKit.Web.Unified/Volo.CmsKit.Web.Unified.csproj
index dd8c3e8460..996655cc62 100644
--- a/modules/cms-kit/host/Volo.CmsKit.Web.Unified/Volo.CmsKit.Web.Unified.csproj
+++ b/modules/cms-kit/host/Volo.CmsKit.Web.Unified/Volo.CmsKit.Web.Unified.csproj
@@ -5,7 +5,8 @@
     <RootNamespace>Volo.CmsKit</RootNamespace>
     <PreserveCompilationReferences>true</PreserveCompilationReferences>
     <UserSecretsId>Volo.CmsKit-c2d31439-b723-48e2-b061-5ebd7aeb6010</UserSecretsId>
-    <DefineConstants>$(DefineConstants);MongoDB</DefineConstants>
+    <!-- Options for DB: MongoDB, EntityFrameworkCore -->
+    <DefineConstants>$(DefineConstants);MongoDB</DefineConstants> 
   </PropertyGroup>
 
   <ItemGroup>