code: @Test public void test_Async_Future_Multi() throws Exception {
    initOrResetUrl(true);
    destroyService();
    exportService();
    referService();
    int requestId1=1;
    Person ret=demoProxy.get(requestId1);
    Assert.assertEquals(null,ret);
    Future<Person> p1Future=RpcContext.getContext().getFuture();
    int requestId2=1;
    Person ret2=demoProxy.get(requestId2);
    Assert.assertEquals(null,ret2);
    Future<Person> p2Future=RpcContext.getContext().getFuture();
    ret=p1Future.get(1000 * 1000,TimeUnit.MICROSECONDS);
    ret2=p2Future.get(1000 * 1000,TimeUnit.MICROSECONDS);
    Assert.assertEquals(requestId1,ret.getId());
    Assert.assertEquals(requestId2,ret.getId());
    destroyService();
  }
  