老师，我的没有添加成功

MyBatisTestor

@Test
public void testInsert() throws Exception {
    SqlSession session=null;
    try {
        session=MyBatisUtils.openSession();
        Goods goods=new Goods();
        goods.setTitle("测试商品");
        goods.setSubTitle("测试子标题");
        goods.setOriginalCost(200f);
        goods.setCurrentPrice(100f);
        goods.setDiscount(0.5f);
        goods.setIsFreeDelivery(1);
        goods.setCategoryId(43);
        System.out.println(goods);
        //insert()方法返回值代表本次成功插入的记录总数
        int num=session.insert("goods.insert",goods);
        session.commit();//提交事务数据
        System.out.println(goods.getGoodsId());
    } catch (Exception e) {
        if (session!=null){
            session.rollback();
        }
        throw e;
    } finally {
        MyBatisUtils.closeSession(session);
    }
}

goods.xml

<insert id="insert" parameterType="com.imooc.mybatis.entity.Goods" >
    insert into t_goods(title, sub_title, original_cost, current_price, discount, is_free_delivery)
    values(#{title},#{subTitle},#{originalCost},#{currentPrice},#{discount},#{isFreeDelivery})
</insert>