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？

}
    @Test
    void testGetServiceKey() {
        URL url1 = URL.valueOf("10.20.130.230:20880/context/path?interface=org.apache.dubbo.test.interfaceName");
        assertURLStrDecoder(url1);
        Assertions.assertEquals("org.apache.dubbo.test.interfaceName", url1.getServiceKey());
        URL url2 = URL.valueOf("10.20.130.230:20880/org.apache.dubbo.test.interfaceName?interface=org.apache.dubbo.test.interfaceName");
        assertURLStrDecoder(url2);
        Assertions.assertEquals("org.apache.dubbo.test.interfaceName", url2.getServiceKey());
        URL url3 = URL.valueOf("10.20.130.230:20880/org.apache.dubbo.test.interfaceName?interface=org.apache.dubbo.test.interfaceName&group=group1&version=1.0.0");
        assertURLStrDecoder(url3);
        Assertions.assertEquals("group1/org.apache.dubbo.test.interfaceName:1.0.0", url3.getServiceKey());
        URL url4 = URL.valueOf("10.20.130.230:20880/context/path?interface=org.apache.dubbo.test.interfaceName");
        assertURLStrDecoder(url4);
        Assertions.assertEquals("context/path", url4.getPathKey());
        URL url5 = URL.valueOf("10.20.130.230:20880/context/path?interface=org.apache.dubbo.test.interfaceName&group=group1&version=1.0.0");
        assertURLStrDecoder(url5);
        Assertions.assertEquals("group1/context/path:1.0.0", url5.getPathKey());
    }
    @Test
    void testGetColonSeparatedKey() {
        URL url1 = URL.valueOf("10.20.130.230:20880/context/path?interface=org.apache.dubbo.test.interfaceName&group=group&version=1.0.0");
        assertURLStrDecoder(url1);
        Assertions.assertEquals("org.apache.dubbo.test.interfaceName:1.0.0:group", url1.getColonSeparatedKey());
        URL url2 = URL.valueOf("10.20.130.230:20880/context/path?interface=org.apache.dubbo.test.interfaceName&version=1.0.0");
        assertURLStrDecoder(url2);
        Assertions.assertEquals("org.apache.dubbo.test.interfaceName:1.0.0:", url2.getColonSeparatedKey());
        URL url3 = URL.valueOf("10.20.130.230:20880/context/path?interface=org.apache.dubbo.test.interfaceName&group=group");
        assertURLStrDecoder(url3);
        Assertions.assertEquals("org.apache.dubbo.test.interfaceName::group", url3.getColonSeparatedKey());