SS管理员不能修改发布的帖子，怎么办？

SupeSite info: MySQL Query Error

User: admin
Time: 2010-6-7 9:11am
Script: /admincp.php

SQL: UPDATE [Table]yellowpageitems SET contact='Changfeng Yang', email='sinongycf@126.com', phone='0086-878-8316353', fax='0086-878-8316353', mb='0086-15987823248', web='<a href="http://www.ynsinong.cn" target="_blank">http://www.ynsinong.cn</a>', add='Tongjie, Yuanmou county, Yunnan province,651300, CHina', catid='17', subject='Sinong Vegetable Seed Company', allowreply='1', grade='0', dateline='1275551092' WHERE itemid='42'
Error: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'add='Tongjie, Yuanmou county, Yunnan province,651300, CHina', catid='17', subjec' at line 1
Errno.: 1064
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