diff --git a/inc/helpers/header/aksrt-header-navbar.php b/inc/helpers/header/aksrt-header-navbar.php
index 0fb66051..7b49e386 100644
--- a/inc/helpers/header/aksrt-header-navbar.php
+++ b/inc/helpers/header/aksrt-header-navbar.php
@@ -338,7 +338,7 @@ if (!function_exists('aksrt_menu_button')) :
 			. $actions . $utility_buttons . $account . '</div>';
 
 		$fold = '<div class="navbar-form navbar-right hide show-nav-but" style="margin-right:-10px;">'
-			. '<a data-toggle-class data-target=".nav.navbar-nav" href="javascript:;" class="but" aria-label="'
+			. '<a data-toggle-class data-target=".nav.navbar-nav" href="javascript:;" class="aksrt-nav-icon" aria-label="'
 			. esc_attr__('展开菜单', 'aksrt') . '"><svg class="icon" viewBox="0 0 1024 1024" aria-hidden="true"><use xlink:href="#icon-menu_2"></use></svg></a></div>';
 
 		$html = $fold . $button;