Contact the Henan tax department, seek help, try other channels and other solutions.

1. Contact the Henan Taxation Department: You can contact the Henan Taxation Department directly to explain your inability to add family members.

2. Seek help: If the problem cannot be solved by contacting the tax department directly, you can seek help from professionals or tax consultants. Professionals have a deeper understanding of the tax system and related regulations and can provide guidance.

3. Try other channels: You can raise questions to the customer service hotline or complaint channel of the Henan tax department and describe your situation in detail.