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？

URL url2 = URL.valueOf("ad@min:hello@1234@10.20.130.230:20881/context/path?version=1.0.0&application=morgan");
        URL url3 = URL.valueOf("ad@min:hello@1234@10.20.130.230:20880/context/path?version=1.0.0&application=morgan");
        boolean actual1 = url1.equals(url2);
        boolean actual2 = url1.equals(url3);
        assertFalse(actual1);
        assertTrue(actual2);
    }
    @Test
    void testEqualsWithProtocol() {
        URL url1 = URL.valueOf("dubbo://ad@min:hello@1234@10.20.130.230:20880/context/path?version=1.0.0&application=morgan");
        URL url2 = URL.valueOf("file://ad@min:hello@1234@10.20.130.230:20880/context/path?version=1.0.0&application=morgan");
        URL url3 = URL.valueOf("dubbo://ad@min:hello@1234@10.20.130.230:20880/context/path?version=1.0.0&application=morgan");
        boolean actual1 = url1.equals(url2);
        boolean actual2 = url1.equals(url3);
        assertFalse(actual1);
        assertTrue(actual2);
    }
    @Test
    void testEqualsWithUser() {
        URL url1 = URL.valueOf("ad@min1:hello@1234@10.20.130.230:20880/context/path?version=1.0.0&application=morgan");
        URL url2 = URL.valueOf("ad@min2:hello@1234@10.20.130.230:20880/context/path?version=1.0.0&application=morgan");
        URL url3 = URL.valueOf("ad@min1:hello@1234@10.20.130.230:20880/context/path?version=1.0.0&application=morgan");
        boolean actual1 = url1.equals(url2);
        boolean actual2 = url1.equals(url3);
        assertFalse(actual1);
        assertTrue(actual2);
    }
    @Test
    void testHashcode() {
        URL url1 = URL.valueOf("consumer://30.225.20.150/org.apache.dubbo.rpc.service.GenericService?application=" +