Chinese text in source code display as unreadable in web browse (BB-2050)

I'm new to bitbucket,I'm Chinese,so my code's commet use some Chinese text.when I browser this code online,Web browser display these Chinese comment text as unreadable things.I'm using Firefox 5,On Windows 7,x64.but my repository's Comment use Chinese can be display correctly.And Chinese comment in my code can correct push and pull,not be unreadable.So,Only Web browse code's page display Chinese not correct.