First, find Lian Xin in your mobile phone and click Open. Then, after entering Lian Xin, click on my. Go to my page and find the clip material under the avatar.

There are personalized signature options below. Click Personalized Signature. Click Fill in and select Save in the upper right corner. Real name authentication is required to set personal data. If you are a real name, just click Settings-Account Settings-Modify Personal Information.