username === '' || this.password === '') {
                    this.$message.error('请输入用户名或密码')
                    return;
                }
                $(".page-loader").fadeIn()
                let _$ = $
                this.$http.post(
                    '/login?username=' + this.username + '&password=' + this.password,
                ).then(res => {
                    if (res.body.code == 200) {
                        window.location.href = '/tumo'
                    } else 