%e9%9d%a0%e8%bf%91%e6%80%aa%e7%89%a9L%e6%91%87%e6%9d%86%e8%b9%b2%e4%b8%8b%e9%95%bf%e6%8c%89A%e9%94%ae%e6%8e%a0%e5%a4%ba%e6%88%90%e5%8a%9fGET!方法不存在！