You've got an NLS issue on your hands. Doing an exact search here for "chinese characters" found 51 other posts on the subject, more than likely one or more will help you.
-craig
"You can never have too many knives" -- Logan Nine Fingers
firstly you should figure out what the character encoding (e.g. UTF8, GBK) is used with your source file.then set the correct NLS to your stage. NLS ISO 8859 is obviously a wrong codeset for Chinese.