Object obj =  dao.func2("xx_member", "from_base64", "nickname",Cnd.where("id","=", 2));

Object 对象 转 String 异常：

 For example:> "SELECT from_base64(nickname) FROM xx_member  WHERE id=2"
Exception in thread "main" java.lang.ClassCastException: [B cannot be cast to java.lang.String
	at com.zdl.biz.MainModule.main(MainModule.java:42)