When you blink, the character looks side

Steps to reproduce:
1. Select a Character

2. Look at the camera and blink your eye

 
Result: When you blink your eyes, the character look side (right or left)
Expected: The Charector Also should blink
 
System info
    Application: Character Animator (Beta) v24.5.0.6
    OS: macOS v14.5.0, RAM: 8.00 GB GB, CPUs (logical): 8