Why doesn't my mobile phone number appear on my WeChat business card? How to set it up?

My WeChat business card settings display the following mobile phone number:

1, as shown in the figure, open your mobile phone and click on WeChat. As shown in the figure:

2. As shown in the figure, click Me in the lower right corner of this page. As shown in the figure:

3. As shown, click Settings on this page. As shown in the figure:

4. As shown in the figure, click Privacy on this page.

5. As shown in the figure, click Add My Way on this page.

6. As shown in the figure, click on the mobile phone number and business card of this page to make the small circle behind it turn green, so that others can see my mobile phone number.