diff --git a/app/index/controller/TopicNas.php b/app/index/controller/TopicNas.php
index 16660eb9..0d2add82 100644
--- a/app/index/controller/TopicNas.php
+++ b/app/index/controller/TopicNas.php
@@ -21,7 +21,7 @@ class TopicNas extends Common
         // 获取国家/语言列表
         $languages = $this->getLanguages();
         // 输出国家/语言列表
-        if (request()->isMobile()) {
+        if (get_platform() == 'mobile') {
             View::assign('header_languages', $languages);
         }