tableView显示原型单元格和自定义单元格

I have a tableView that once loaded data correctly in the cells (it was a basic tableView with the default prototype cell). However, once I added a custom cell class I get a strange issue. My tableView now loads the actual prototype cell (what I customized in the storyboard) in addition to the data from the data source. I have a tableView that once loaded data correc