UTF-8 not supported

The plugin is great except that i cannot write in Chinese book review. All comes up with question marks. My sql db is utf-8, and I have no other utf-8 problems except this one. So i am quite sure it must be the plugin that does not support utf-8. 

[Originally reported by sudongyue at http://wordpress.org/support/topic/plugin-now-reading-redux-not-utf-8-supported]
