public async Task QueryActivitiesTest()
 {
     UserContentProvider mine = new UserContentProvider();
     LoginResult result = await mine.Login(Config.username, Config.password);
     //7998636为上一个动态的ID-1的值
     List<ActivityResult> fr = await mine.QueryActivities(7998636, result.Id.ToString(), result.MobileToken);
     Assert.IsNotNull(fr);
 }