Tools: computer, HowNet.

1. Confirm that the information fee has been received: it is necessary to confirm that the offline information fee has indeed been received. You can contact HowNet customer service or related institutions to inquire about the information fee collection, and provide evidence such as account information or paper ID card.

2. Contact HowNet customer service or related institutions: If you confirm that you have charged the information fee, you can contact HowNet customer service or related institutions to explain the problem and provide relevant evidence. You can ask for more detailed information, such as the information of the recipient, the time of collection, etc.