How to add the contact number of Tik Tok?

When we brush Tik Tok, we will see many people add their contact information, that is, their mobile phone number, to their personal homepage. Actually, we can do it ourselves So, how to add their mobile phone numbers to Tik Tok's personal homepage?

First, open Tik Tok and click "I".

Second, click "+Add Contact Information".

3. Click to open Show Contact Phone.

4. Click "Phone Number".

5. Enter the mobile phone number and click "Save".