Why did Zhu Qianqian say "I'm sorry" and why did he want to quit the competition? What happened?

Because when 8 entered 6, Tintin pk Zhu Qianqian succeeded, and Zhu Qianqian was going to be eliminated. As a result, at this time, this kid said that her company was going to quit the competition because of schedule problems, so Zhu Qianqian successfully advanced to the top six. However, there are a lot of people on the Internet who oppose Zhu Qianqian and scold Zhu Qianqian. Zhu Qianqian felt too stressed and wanted to resign. The idea made her feel sorry for supporting her money, so she said sorry on her blog.