diff --git a/app/Jobs/BrowseSingleRSSJob.php b/app/Jobs/BrowseSingleRSSJob.php
index b18007f..5ca4050 100644
--- a/app/Jobs/BrowseSingleRSSJob.php
+++ b/app/Jobs/BrowseSingleRSSJob.php
@@ -43,6 +43,7 @@ public function handle(): void
             if (is_null($rss_post)) {
                 $rss_post = new RssPost;
                 $rss_post->post_url = $raw_post->link;
+                $rss_post->post_domain = get_domain_from_url($raw_post->link);
                 $rss_post->source = $raw_post->source;
                 $rss_post->source_url = $raw_post->source_url;
                 $rss_post->title = remove_newline($raw_post->title);
diff --git a/app/Models/RssPost.php b/app/Models/RssPost.php
index e828769..48ce65d 100644
--- a/app/Models/RssPost.php
+++ b/app/Models/RssPost.php
@@ -54,6 +54,7 @@ class RssPost extends Model implements Feedable
         'source',
         'source_url',
         'post_url',
+        'post_domain',
         'title',
         'slug',
         'body',
diff --git a/database/migrations/2023_11_23_132623_add_domain_to_rss_posts_table.php b/database/migrations/2023_11_23_132623_add_domain_to_rss_posts_table.php
new file mode 100644
index 0000000..ea626d1
--- /dev/null
+++ b/database/migrations/2023_11_23_132623_add_domain_to_rss_posts_table.php
@@ -0,0 +1,28 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::table('rss_posts', function (Blueprint $table) {
+            $table->string('post_domain')->nullable();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('rss_posts', function (Blueprint $table) {
+            $table->dropColumn('post_domain');
+        });
+    }
+};
diff --git a/routes/tests.php b/routes/tests.php
index 175d982..e0fb71c 100644
--- a/routes/tests.php
+++ b/routes/tests.php
@@ -53,6 +53,23 @@
 
 Route::get('/crawlTask', [App\Http\Controllers\Tests\TestController::class, 'crawlTask']);
 
+Route::get('/set_domain', function (Request $request) {
+
+    $last_record = RssPost::whereNull('post_domain')->orderBy('id', 'DESC')->first();
+
+    for ($i = 1; $i <= $last_record->id; $i++) {
+        $rss_post = RssPost::find($i);
+
+        if (!is_null($rss_post))
+        {
+          $rss_post->post_domain = get_domain_from_url($rss_post->post_url);
+          $rss_post->save();
+        }
+    }
+
+    return 'ok';
+});
+
 Route::get('/set_keywords', function (Request $request) {
 
     $last_record = RssPost::where('keyword_saved', false)->orderBy('id', 'DESC')->first();