diff --git a/YaeBlog.Core/Builder/BlogApplicationBuilder.cs b/YaeBlog.Core/Builder/BlogApplicationBuilder.cs
index 0b18ee1..0d358ab 100644
--- a/YaeBlog.Core/Builder/BlogApplicationBuilder.cs
+++ b/YaeBlog.Core/Builder/BlogApplicationBuilder.cs
@@ -31,8 +31,10 @@ public sealed class BlogApplicationBuilder : IHostApplicationBuilder
 
     public BlogApplication Build()
     {
-        this.ConfigureBlogApplication();
-        return new BlogApplication(_hostApplicationBuilder.Build());
+        this.ConfigureDefaultBlogApplicationBuilder();
+        BlogApplication application = new(_hostApplicationBuilder.Build());
+        application.ConfigureDefaultBlogApplication();
+        return application;
     }
 
     public void ConfigureContainer<TContainerBuilder>(
diff --git a/YaeBlog.Core/Extensions/BlogApplicationBuilderExtension.cs b/YaeBlog.Core/Extensions/BlogApplicationBuilderExtension.cs
index e17927c..84d2ed4 100644
--- a/YaeBlog.Core/Extensions/BlogApplicationBuilderExtension.cs
+++ b/YaeBlog.Core/Extensions/BlogApplicationBuilderExtension.cs
@@ -12,7 +12,7 @@ namespace YaeBlog.Core.Extensions;
 
 public static class BlogApplicationBuilderExtension
 {
-    internal static void ConfigureBlogApplication(this BlogApplicationBuilder builder)
+    internal static void ConfigureDefaultBlogApplicationBuilder(this BlogApplicationBuilder builder)
     {
         builder.Configuration.AddJsonFile("appsettings.json", optional: true, reloadOnChange: true);
         builder.Configuration.AddJsonFile($"appsettings.{builder.Environment.EnvironmentName}.json",
diff --git a/YaeBlog.Core/Extensions/BlogApplicationExtension.cs b/YaeBlog.Core/Extensions/BlogApplicationExtension.cs
index a7de84b..18e99ac 100644
--- a/YaeBlog.Core/Extensions/BlogApplicationExtension.cs
+++ b/YaeBlog.Core/Extensions/BlogApplicationExtension.cs
@@ -7,6 +7,11 @@ namespace YaeBlog.Core.Extensions;
 
 public static class BlogApplicationExtension
 {
+    internal static void ConfigureDefaultBlogApplication(this BlogApplication application)
+    {
+
+    }
+
     public static void UsePreRenderProcessor<T>(this BlogApplication application)
         where T : IPreRenderProcessor
     {
diff --git a/YaeBlog.Core/Models/BlogEssay.cs b/YaeBlog.Core/Models/BlogEssay.cs
index 08a3833..5927d64 100644
--- a/YaeBlog.Core/Models/BlogEssay.cs
+++ b/YaeBlog.Core/Models/BlogEssay.cs
@@ -16,6 +16,22 @@ public class BlogEssay
 
     public required string HtmlContent { get; init; }
 
+    public BlogEssay WithNewHtmlContent(string newHtmlContent)
+    {
+        var essay = new BlogEssay
+        {
+            Title = Title,
+            FileName = FileName,
+            PublishTime = PublishTime,
+            Description = Description,
+            WordCount = WordCount,
+            HtmlContent = newHtmlContent
+        };
+        essay.Tags.AddRange(Tags);
+
+        return essay;
+    }
+
     public override string ToString()
     {
         return $"{Title}-{PublishTime}";