1. Contact the mobile customer service: You can call the mobile customer service phone to notify the charge deduction, and ask for a refund of the charge exceeding the traffic.
2. Inquire about traffic usage records: You can log in to the mobile online business hall or go to the mobile business hall to inquire about your traffic usage records.
3. Adjust the package: If you often exceed the traffic, you can consider adjusting the mobile phone package.
I hope the above suggestions can help you solve the problem.