Yizhou taught the official account of WeChat not to update the article because he was complained. According to relevant public information, as of June 6, 2022, 165438, there were as many as 2,668 complaints about one-boat education on the black cat complaint platform, while from August 20 19 to the present, there were more than 170 complaints about one-boat education on the 3 15 consumer protection online complaint platform. According to the complaints of many complainants, the enrollment teacher of a ship education institution in Beijing declared that "if the academic qualifications and graduation time do not meet the requirements, you can also register for study, registration and whole-process service". In addition, illegal means such as "official designated training", "confidential internal information", "guaranteed topics", "registration on behalf of others", "earning money by hanging certificates" and even forging official documents are used to attract students who do not meet the registration requirements to participate in training and registration examinations, and induce students who do not meet the registration requirements to pay fees.