This problem involved intellectual property rights and false certificates, so it needed to be handled with caution. According to China's laws and regulations, it is illegal to modify, forge, or alter intellectual property certificates, registration certificates, business licenses, and other documents. Changing the certificate in order to violate the intellectual property rights of others or to deceive others is immoral and illegal. If your friend asks you to change the certificate, you need to consider the following points: Understand the relevant laws and regulations: You need to know whether modifying the certificate is in compliance with Chinese laws and regulations and whether it is illegal. 2. Respect for intellectual property rights: It is immoral and illegal to modify the certificate in order to violate the intellectual property rights of others. You need to respect intellectual property rights and not do anything that violates other people's intellectual property rights. 3. Ask a professional: If you are not sure whether the modification of the certificate is in line with China's laws and regulations or whether it is illegal, you can consult a relevant professional such as a lawyer or an intellectual property expert. If your friend asks you to change the certificate, you need to consider the following points to avoid illegal behavior: Understand the relevant laws and regulations: You need to know whether modifying the certificate is in compliance with Chinese laws and regulations and whether it is illegal. 2. Respect for intellectual property rights: It is immoral and illegal to modify the certificate in order to violate the intellectual property rights of others. You need to respect intellectual property rights and not do anything that violates other people's intellectual property rights. 3. Ask a professional: If you are not sure whether the modification of the certificate is in line with China's laws and regulations or whether it is illegal, you can consult a relevant professional such as a lawyer or an intellectual property expert.