Try escaping the unicode
图片 translates as %E5%9B%BE%E7%89%87 using an escape function I tried & I don't know how well it copes with Chinese character, so you might need to find a smarter one. [not generally-accessible resource, so I can't publish it here.]
See http://stackoverflow.com/questions/912811/what-is-the-proper-way-to-url-encode-unicode-characters for a reference.