刚下载一个免费版来试用，其他功能都很好使，但是发布出来的文章不能评论，评论就报错，这是为什么呢？报错结果如下：
Server Error in '/' Application.
Column 'planguage' does not belong to table tb.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.ArgumentException: Column 'planguage' does not belong to table tb.
