Solution:
1. Download the free software of straight flush with your computer. After installation, log in with an account (user name or mobile phone number) on your mobile phone.
2. After entering the flush, select "Entrust" and "Entrust Management" in the upper right corner, and select Guangfa and "Add Broker". Log in with your Guangfa account.
3. In the next vertical row on the left, click New Business Application, and then. . . . .
Do you understand?