diff --git a/server/cn/home/www/IoTgod-www/usr/themes/handsome/component/header.php b/server/cn/home/www/IoTgod-www/usr/themes/handsome/component/header.php
index cd7b32b..0239f18 100644
--- a/server/cn/home/www/IoTgod-www/usr/themes/handsome/component/header.php
+++ b/server/cn/home/www/IoTgod-www/usr/themes/handsome/component/header.php
@@ -47,6 +47,17 @@ if (strtoupper(Handsome_Config::HANDSOME_DEBUG_DISPLAY) == 'ON'){
MathJax.Hub.Config({messageStyle: "none",tex2jax: {inlineMath: [['$','$'], ['\\(','\\)']]}});
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