First, you need to click on the WeChat logo in your mobile phone.
After entering the WeChat interface, click Me at the bottom of the interface, and then click the wallet logo indicated by the arrow.
Enter the wallet interface and click the credit card repayment sign.
Select the credit card to be repaid, and click Enter.
Enter the repayment amount and click more repayment methods.
Click crowdfunding repayment in the pop-up interface below.
Click to send a repayment invitation letter to a friend, as shown by the arrow in the figure below.
In the pop-up menu below, you can send it directly to your friends via WeChat or qq, or you can choose other ways.