静态单元格内容不需要修改
动态单元格内容需要修改

override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        
        if indexPath.section == 2 {
            let cell = tableView.dequeueReusableCell(withIdentifier: "managerCell")as! ManagerCell
            
            cell.backgroundColor = UIColor.clear
            cell.separatorInset = UIEdgeInsetsMake(0, 0, 0, screen_W)
            cell.selectionStyle = .none
            return cell
        }
        return super.tableView(tableView, cellForRowAt: indexPath)
    }