1. Fraud: If the woman intentionally makes the merchant believe that she paid the money through false behavior or deception, but she didn't actually pay it, it may be suspected of fraud.
2. False statement: If the woman deliberately falsifies or falsifies the payment information in the payment screenshot to achieve the purpose of deception, it may be suspected of false statement.
3. Crime of embezzlement: If the woman knowingly fails to pay the money, but deliberately fails to perform the obligation of payment, and extends the way of encroaching on other people's property to four years, then she may be suspected of embezzlement.
4. Breach of contract: If the woman has a contractual relationship with the merchant but fails to pay the money as agreed, it may be suspected of breach of contract.
The above are just some legal issues that may be involved, and the specific legal responsibilities will be determined according to relevant laws and regulations and specific circumstances. If there is a similar situation, it is recommended to report the case to the relevant legal department in time and consult a professional lawyer for legal help.