异步加载 sysUserSession

@@ -273,6 +273,6 @@ if (typeof call === 'undefined' || typeof call !== 'function') {
     function call() {}
     function call() {}
 }
 }
 </script>
 </script>
-<script src="{{sysUserSession}}"></script>
+<script async src="{{sysUserSession}}"></script>
 {{/headerdata}}
 {{/headerdata}}