is;
                tale.get({
                    url: '/admin/api/categories',
                    success: function (data) {
                        $vm.categories = data.payload
                    },
                    error: function (error) {
                        console.log(error);
                        alert(result.msg || '数据加载失败');
                    }
                });
            },
            load: function (page) {
                var $vm = this;
                $vm.searc