diff --git a/simpleadmin/www/deviceinfo.html b/simpleadmin/www/deviceinfo.html
index dbd1153..2e388c1 100644
--- a/simpleadmin/www/deviceinfo.html
+++ b/simpleadmin/www/deviceinfo.html
@@ -24,7 +24,7 @@
         <nav class="navbar navbar-expand-lg mt-2">
           <div class="container-fluid">
             <a class="navbar-brand" href="/"
-              ><span class="mb-0 h4">管理</span></a
+              ><span class="mb-0 h4 fw-bold">管理</span></a
             >
             <button
               class="navbar-toggler"