Hi, have you tried to modify Subtitles' fonts?
Open BSplayer properties window (CTRL+P) and click on Subtitles section. Then Click on the "Font" button. Now, at the bottom of the font settings window you'll se a "Writing" or "Script" drop down listbox.Theorically if you have installed support for asian characters you'll be able to select Chinese (or Asian) script, this way your subtitles will be displayed correctly
