1. Check whether the U-Shield driver is correctly installed by the U-Shield manufacturer; Please log in to www.icbc.com.cn, the portal of our bank, and click "Download" under "Personal Online Banking Login". After entering the next page, it is verified by image comparison;
2. Before using the new U shield, delete the old certificate information from the browser (please check it carefully);
3. If this problem still exists, please download the signature control again; Please log in to www.icbc.com.cn, the portal of our bank, and click "Download" under "Personal Online Banking Login". After entering the next page, download and install the control program.