1, WeChat doesn't display personalized signature because there is no personalized signature, just add it through WeChat settings.

2. Open the main interface of WeChat, click "I" in the lower right corner, click the single arrow on the right side of WeChat avatar and name, and click more single arrows on the right side. Personality signature is not filled in at this time. Click the single arrow on the right, enter your personal signature in the blank field, and then click Finish in the upper right corner. The entered personalized signature can be displayed in the status bar.