The method is as follows:
1. Follow the China Construction Bank official account and bind your credit card to automatically activate the WeChat account change reminder by default.
2. Order the "Dragon Card Safe Use" (3 yuan/person/month, 30 yuan/person/year) or the "Dragon Card Safe Use Exclusive Edition" (8 yuan/person/month, 80 yuan/ person/year), you can enjoy the authorization SMS reminder for each transaction and the protection of high-value fraud compensation.