没有菜单数据时候，js异常

@@ -217,7 +217,10 @@
                     ,pathURL = layui.admin.correctRouter(path.join('/'))
                     ,dataName = layui.setter.response.dataName;
 
-                    var fistModuleid = d[dataName][0].moduleid;
+                    var fistModuleid = '';
+                    if(d[dataName] && d[dataName].length > 0){
+                        fistModuleid = d[dataName][0].moduleid
+                    }
 
                     layui.each(d[dataName], function(index, item){
                     var isselectd = '';