- (void)refresh {

    MJRefreshGifHeader *header = [MJRefreshGifHeader headerWithRefreshingTarget:self refreshingAction:@selector(getData)];

    NSMutableArray *images = [NSMutableArray array];

    for (int i = ; i < ; i++) {

        UIImage *image = [UIImage imageNamed:[NSString stringWithFormat:@"Load_%d", i]];

        [images addObject:image];

    }

    // Set the ordinary state of animated images

    [header setImages:images forState:MJRefreshStateIdle];

    // Set the pulling state of animated images（Enter the status of refreshing as soon as loosen）

    [header setImages:images forState:MJRefreshStatePulling];

    // Set the refreshing state of animated images

    [header setImages:images forState:MJRefreshStateRefreshing];

    header.lastUpdatedTimeLabel.hidden = YES;

    header.stateLabel.hidden = YES;

    // Set header

    self.tableview.mj_header = header;

}