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    MJRefreshNormalHeader *header = [MJRefreshNormalHeader headerWithRefreshingBlock:^{
        [self reloadData];
    }];
    header.lastUpdatedTimeLabel.hidden = YES;
    self.tableView.mj_header = header;
    self.tableView.mj_footer = [MJRefreshBackNormalFooter footerWithRefreshingBlock:^{
        if (self.dataArray.count) {
            self.page++;
        } else {
            self.page = 1;
        }
        [self loadData];
    }];