After MJRefresh provided in the base class, as shown in FIG
If set to overwrite in the subclass nil, or remove, or hidden, all problems will be offset, resulting in some tableView or scrollView can not display the full content, then only need to set self.tableView.contentInset = UIEdgeInsetsZero; you can!
Reproduced in: https: //www.jianshu.com/p/68bc21011312