1. Log in to official website, changjiang securities, and enter the Changjiang e trading platform.
2. On the Changjiang E trading platform, select options such as "Personal Account Information" or "Personal Information Management".
3. On the personal account information or personal information management page, you can find the upgrade button and click to enter the upgrade interface.
4. Fill in the upgrade information as required, such as identity authentication and contact information, and then submit the upgrade request for review.
5. After being approved by changjiang securities, Changjiang E has been upgraded successfully, and can enjoy better service and more trading functions.