@Sun Alan, please look for bad fonts on your system. Please check if these fonts are installed, then disable or uninstall them:
- Ithornët
- Typo3-Medium.ttf
- Typo3Normal.ttf
- batang.ttf
- Savoye LET
Also, please follow this KB to troubleshoot fonts on your Mac: http://helpx.adobe.com/x-productkb/global/troubleshoot-fonts-mac-os-x. html