diff --git a/install.php b/install.php
index 712027d2..f3e09362 100644
--- a/install.php
+++ b/install.php
@@ -333,11 +333,11 @@ list($prefixVersion, $suffixVersion) = explode('/', $currentVersion);
 
                                         /** 初始内容 */
                                         $installDb->query($installDb->insert('table.contents')->rows(array('title' => _t('欢迎使用 Typecho'), 'slug' => 'start', 'created' => Typecho_Date::gmtTime(), 'modified' => Typecho_Date::gmtTime(),
-                                        'text' => _t('如果您看到这篇文章,表示您的 blog 已经安装成功.'), 'authorId' => 1, 'type' => 'post', 'status' => 'publish', 'commentsNum' => 1, 'allowComment' => 1,
+                                        'text' => _t('<!--markdown-->如果您看到这篇文章,表示您的 blog 已经安装成功.'), 'authorId' => 1, 'type' => 'post', 'status' => 'publish', 'commentsNum' => 1, 'allowComment' => 1,
                                         'allowPing' => 1, 'allowFeed' => 1, 'parent' => 0)));
 
                                         $installDb->query($installDb->insert('table.contents')->rows(array('title' => _t('关于'), 'slug' => 'start-page', 'created' => Typecho_Date::gmtTime(), 'modified' => Typecho_Date::gmtTime(),
-                                        'text' => _t('本页面由 Typecho 创建, 这只是个测试页面.'), 'authorId' => 1, 'order' => 0, 'type' => 'page', 'status' => 'publish', 'commentsNum' => 0, 'allowComment' => 1,
+                                        'text' => _t('<!--markdown-->本页面由 Typecho 创建, 这只是个测试页面.'), 'authorId' => 1, 'order' => 0, 'type' => 'page', 'status' => 'publish', 'commentsNum' => 0, 'allowComment' => 1,
                                         'allowPing' => 1, 'allowFeed' => 1, 'parent' => 0)));
 
                                         /** 初始评论 */