Method 1:
Log in to PC version of Licaitong, click "My Account → Security Card → Replace Security Card", scan the QR code of WeChat, enter the entrance of mobile phone Licaitong to replace security card, and follow the prompts.
Method 2:
Log in to WeChat with your mobile phone, click "Me → Wallet → Financial Management", enter "Personal Center → Insurance Card → Change Insurance Card", and follow the prompts.