1. Describe the bug/issue you’re running into?
when texting many chinese characters ，it must be some characters invisible！
2. Are you able to consistently reproduce it? If so what are the steps?
3. Share a screenshot, recording, console log, link to the file, etc.
4. Is the issue only happening in desktop app or a specific browser , or both?
5. What OS/version and/or browser/version are you using?
MacBook Air (M1, 2020) bigsur
版本 90.0.4430.212（正式版本） (arm64)