Hello, you can't cancel. If your bill date is not. 19, the consumption between the dates last month 19, and no 19 of this month will be recorded on the bill number. This month 19, and the due repayment date is the 7th of next month.
If in doubt, please add enterprise QQ customer service 4008205555 or WeChat to WeChat official account "China Merchants Bank Credit Card Center" for detailed consultation.