[self wyh_showEmptyMsg:@"No data" dataCount:self.dataSource];

    WyhEmptyStyle *style = [[WyhEmptyStyle alloc]init];
    style.tipText = @"Service down!";
    style.tipTextColor = [UIColor brownColor];
    style.btnTipText = @"Disappear";
    style.imageConfig.type = GifImgLocalUrl;
    style.refreshStyle = RefreshClickOnBtnStyle;
    style.btnWidth = 100;
    style.btnHeight = 100;
    style.btnLayerCornerRadius = 50;
    style.btnLayerBorderColor = [UIColor redColor];

    [self wyh_showWithStyle:style];

-(void)loadNetWork{

    [[AFHTTPSessionManager manager] POST:url parameters:body progress:nil success:^(NSURLSessionDataTask * _Nonnull task, id  _Nullable responseObject) {
        if ([responseObject[@"code"] isEqualToNumber:@0]) {

            dispatch_async(dispatch_get_main_queue(), ^{
            [self.tableView reloadData];
            // suc resp:
            [self wyh_showEmptyMsg:@"No new data." dataCount:self.dataSource];
            });
        }
    } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
        // failure resp:
        [self wyh_showEmptyMsg:@"Service disabled!" dataCount:0 isHasBtn:YES Handler:^{
        [self loadNetWork];
      }];
    }];

}