diff --git a/plugins/bc-blog/src/Service/BlogCommentsService.php b/plugins/bc-blog/src/Service/BlogCommentsService.php
index 0eabf39e3a..9eb244325a 100755
--- a/plugins/bc-blog/src/Service/BlogCommentsService.php
+++ b/plugins/bc-blog/src/Service/BlogCommentsService.php
@@ -153,7 +153,7 @@ public function getNew()
      * @param array $postData
      * @return EntityInterface
      * @checked
-     * @unitTest 
+     * @unitTest
      */
     public function add(int $blogContentId, int $blogPostId, array $postData)
     {
@@ -213,6 +213,7 @@ public function getBlogContent($blogContentId)
      * @throws \Throwable
      * @checked
      * @noTodo
+     * @unitTest
      */
     public function sendCommentToAdmin(EntityInterface $entity)
     {
diff --git a/plugins/bc-blog/tests/TestCase/Service/BlogCommentsServiceTest.php b/plugins/bc-blog/tests/TestCase/Service/BlogCommentsServiceTest.php
index 502a61d2d1..6a884e5185 100755
--- a/plugins/bc-blog/tests/TestCase/Service/BlogCommentsServiceTest.php
+++ b/plugins/bc-blog/tests/TestCase/Service/BlogCommentsServiceTest.php
@@ -11,6 +11,8 @@
 
 namespace BcBlog\Test\TestCase\Service;
 
+use BaserCore\Test\Factory\SiteConfigFactory;
+use BaserCore\Test\Factory\SiteFactory;
 use BaserCore\TestSuite\BcTestCase;
 use BcBlog\Service\BlogCommentsService;
 use BcBlog\Test\Factory\BlogCommentFactory;
@@ -299,4 +301,30 @@ public function testAdd()
         $this->BlogCommentsService->add(1, 1, []);
     }
 
+    /**
+     * test sendCommentToAdmin
+     */
+    public function testSendCommentToAdmin()
+    {
+        //データー生成
+        SiteConfigFactory::make(['name' => 'email', 'value' => 'basertest@example.com'])->persist();
+        SiteFactory::make(['id' => 1])->persist();
+        $this->loadFixtureScenario(
+            BlogContentScenario::class,
+            1,  // id
+            1, // siteId
+            null, // parentId
+            'news1', // name
+            '/news/' // url
+        );
+        BlogPostFactory::make(['id' => 1, 'blog_content_id' => 1, 'status' => true])->persist();
+        $blogComment = BlogCommentFactory::make([['blog_content_id' => 1, 'blog_post_id' => 1, 'no' => 1, 'status' => 1,]])->getEntity();
+
+        //正常テスト
+        $this->BlogCommentsService->sendCommentToAdmin($blogComment);
+
+        //異常テスト
+        $this->expectException(\TypeError::class);
+        $this->BlogCommentsService->sendCommentToAdmin([]);
+    }
 }