[Plugin: Yet Another Related Posts Plugin] Problem with Chinese Characters

Hi, I have upgrade to 3.0 and 3.01 but have notice new problem. When I am writing post in Chinese and save, all Chinese character become “?”. If I deactivate the plugin, write a new post in Chinese, and save, it will save correctly without changing the characters into “?”.

Will this problem be fix soon or do I have to deactivate the plugin to write posts? And then turn on again after?

Thank you for help.