no message

@@ -102,6 +102,7 @@ window.callback = function(res){
             loading =layer.load(1, {shade: [0.1,'#fff'] });//0.1透明度的白色背景
             $.post('{:url("login/index")}',data.field,function(res){
                 layer.close(loading);
+                alert(res.code);
                 if(res.code == 1){
                     layer.msg(res.msg, {icon: 1, time: 1000}, function(){
                         location.href = "{:url('admin/index/index')}";