diff --git a/modules/blogging/src/Volo.Blogging.Admin.Application/Volo/Blogging/Admin/BloggingAdminApplicationModule.cs b/modules/blogging/src/Volo.Blogging.Admin.Application/Volo/Blogging/Admin/BloggingAdminApplicationModule.cs
index 75a1c6e0cb..77ec9aa552 100644
--- a/modules/blogging/src/Volo.Blogging.Admin.Application/Volo/Blogging/Admin/BloggingAdminApplicationModule.cs
+++ b/modules/blogging/src/Volo.Blogging.Admin.Application/Volo/Blogging/Admin/BloggingAdminApplicationModule.cs
@@ -1,11 +1,8 @@
-using Microsoft.AspNetCore.Authorization;
-using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.DependencyInjection;
 using Volo.Abp.Application;
 using Volo.Abp.Mapperly;
 using Volo.Abp.Caching;
 using Volo.Abp.Modularity;
-using Volo.Blogging.Comments;
-using Volo.Blogging.Posts;
 
 namespace Volo.Blogging.Admin
 {
diff --git a/modules/blogging/src/Volo.Blogging.Domain/Volo/Blogging/Tagging/Tag.cs b/modules/blogging/src/Volo.Blogging.Domain/Volo/Blogging/Tagging/Tag.cs
index 452053dfec..fb8f97a4dc 100644
--- a/modules/blogging/src/Volo.Blogging.Domain/Volo/Blogging/Tagging/Tag.cs
+++ b/modules/blogging/src/Volo.Blogging.Domain/Volo/Blogging/Tagging/Tag.cs
@@ -15,7 +15,7 @@ namespace Volo.Blogging.Tagging
 
         public virtual int UsageCount { get; protected internal set; }
 
-        public Tag()
+        protected Tag()
         {
 
         }