diff --git a/app/index/view/default/public/header.html b/app/index/view/default/public/header.html
index 4b27e4a99..0f6f9dd0b 100755
--- a/app/index/view/default/public/header.html
+++ b/app/index/view/default/public/header.html
@@ -72,6 +72,7 @@
         var __seo_url_suffix__ = '{{:MyC("home_seo_url_html_suffix", "html", true)}}';
 		var __user_id__ = {{if empty($user['id'])}}0{{else /}}{{$user.id}}{{/if}};
         var __currency_symbol__ = '{{$currency_symbol}}';
+        var __is_mobile__ = '{{if IsMobile()}}1{{else}}0{{/if}}';
 	</script>
 	
 	<!-- 公共header内钩子 -->