machungying,
This should tell you how to adjust the installed language for Illy and others:
Adjust the install language | Creative Cloud applications | CCM
http://helpx.adobe.com/creative-cloud/kb/change-installed-language.html
Otherwise, you may try a chat here:
Creative Cloud support (all Creative Cloud customer service issues, chat open between 5AM and 7PM PST/PDT on workdays)
http://helpx.adobe.com/x-productkb/global/service-ccm.html