There are three ways to ask for help:
1 Go to "Baidu knows the complaint" and post a complaint: /zhidao
2 Go to "Know the Opinion Society" for feedback, just click "Feedback Suggestions" at the bottom of this question, and the question can be fed back to Baidu;
Seek feedback from Du family, such as Du Xiaoyou. They are all official Baidu. They will deal with your feedback.