macOS Electron app garbled bug

When the Chinese Electron application is running, go to Font Book to install Apple fonts, and the text of the Electron application will be garbled, including English, numbers, and special symbols. Chromium browser also has a probability of garbled characters, and it is not 100% reproduced at present...... The reason is another serious bug in macOS. The Apple font will be lost for no reason... and IINA displays subtitles as boxes, which is caused by the loss of Apple font. If you encounter the same problem, don't spend time looking for the reason