The middle four digits of WeChat mobile phone number are asterisks. What's the matter?

How to deal with the health code with an asterisk: 1 Go to the homepage of Alipay software and click the health code. You can also click the epidemic prevention health code on the WeChat payment page. 2. Enter the electronic health code page, and click the health code display. 3. Enter the electronic health code page, and click the health code display. 4. All names and ID numbers can be displayed. The health pass code is marked with an asterisk to protect personal information. Click the eye icon next to it to display all the contents.