modify ObjectToParam.objectToParams to support get param from sub class

Author: peggypig

ucloud-sdk-java-common/src/main/java/cn/ucloud/common/util/ObjectToParam.java

@@ -32,7 +32,7 @@ public static List<Param> objectToParams(BaseRequestParam baseRequestParam) thro
             params.addAll(getMethodParam(objectClass, baseRequestParam));
 
             Class<?> superclass = objectClass.getSuperclass();
-            while (!Object.class.getName().equals(superclass.getName())){
+            while (!superclass.isAssignableFrom(Object.class)){
                 params.addAll(getFieldParam(superclass, baseRequestParam));
                 params.addAll(getMethodParam(superclass, baseRequestParam));
                 superclass = superclass.getSuperclass();