富文本编辑器首行输入是空格后台接收变成？的问题解决

富文本编辑器首行输入是空格后台接收变成？问号的问题解决

@RequestMapping("/kms/faq/reply/updateReply")
    public ModelAndView updateReply(Reply reply){
        String content=reply.getContent();
        byte bytes[]={(byte) 0xC2,(byte) 0xA0};
        try {
            //转换编辑器首行是个空格变？的问题
            String UTFSpace=new String(bytes,"utf-8");
            String c=content.replaceAll(UTFSpace," ");
            reply.setContent(c);
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        }
        replyService.update(reply);
        String sql = "select questionid from reply where id = ?";
        String id = dataService.getValueStr(sql, reply.getId());
        return new ModelAndView("redirect:/kms/faq/view.do?id="+id);
    }