旧com.alibaba.dubbo版本：2.5.9
新org.apache.dubbo版本：2.7.17

问题：旧的dubbo中设置过期时间放在字段default.timeout中，但是新的版本是在timeout中直接取值，会导致在旧的版本中设置的超时时间无效
![image](https://user-images.githubusercontent.com/41528403/197443590-266cb768-b499-4a72-9a26-a78937575ee0.png)
![image](https://user-images.githubusercontent.com/41528403/197443452-677a7f06-f0dc-484b-bc4a-4a9eb97d4b70.png)
这样的情况该如何兼容？

} catch (IllegalStateException expected) {
            assertEquals("url missing protocol: \"://1.2.3.4:8080/path\"", URL.decode(expected.getMessage()));
        }
        try {
            URLStrParser.parseDecodedStr("://1.2.3.4:8080/path");
            fail();
        } catch (IllegalStateException expected) {
            assertEquals("url missing protocol: \"://1.2.3.4:8080/path\"", expected.getMessage());
        }
    }
    @Test
    void test_getAddress() throws Exception {
        URL url1 = URL.valueOf("dubbo://admin:hello1234@10.20.130.230:20880/context/path?version=1.0.0&application=morgan");
        assertURLStrDecoder(url1);
        assertEquals("10.20.130.230:20880", url1.getAddress());
    }
    @Test
    void test_getAbsolutePath() throws Exception {
        URL url = new ServiceConfigURL("p1", "1.2.2.2", 33);
        assertURLStrDecoder(url);
        assertNull(url.getAbsolutePath());
        url = new ServiceConfigURL("file", null, 90, "/home/user1/route.js");
        assertURLStrDecoder(url);
        assertEquals("/home/user1/route.js", url.getAbsolutePath());
    }
    @Test
    void test_equals() throws Exception {
        URL url1 = URL.valueOf("dubbo://admin:hello1234@10.20.130.230:20880/context/path?version=1.0.0&application=morgan");
        assertURLStrDecoder(url1);
        Map<String, String> params = new HashMap<String, String>();