自己的一個dedecms網(wǎng)站在升級5.7后，發(fā)現(xiàn)后臺廣告管理有錯誤，提示：

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Error page: /dede/ad_main.php

Error infos: Unknown column ‘ad.clsid’ in ‘on clause’

Error sql: SELECT COUNT(*) AS dd FROM `dede_myad` ad LEFT JOIN `dede_arctype` tp on tp.id=ad.typeid LEFT JOIN `dede_myadtype` ap on ap.id=ad.clsid WHERE 1=1 LIMIT 0,1;

DedeCMS Error Warning!

Technical Support: http://blog.rekfan.com

Error page: /dede/ad_main.php

Error infos: Unknown column ‘ad.clsid’ in ‘field list’

Error sql: SELECT ad.aid,ad.clsid,ad.tagname,tp.typename as typename,ad.adname,ad.timeset,ad.endtime,ap.typename as clsname FROM `dede_myad` ad LEFT JOIN `dede_arctype` tp on tp.id=ad.typeid LEFT JOIN `dede_myadtype` ap on ap.id=ad.clsid WHERE 1=1 ORDER BY ad.aid desc LIMIT 0,20
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官方的解釋說這是因?yàn)閿?shù)據(jù)庫myad缺少了clsid字段。

解決方法：

1.直接去進(jìn)入PhpMyAdmin中修改數(shù)據(jù)表，或
2.進(jìn)入『網(wǎng)站后臺』-『系統(tǒng)』-『SQL命令行工具 』執(zhí)行sql命令

ALTER TABLE `dede_myad` ADD COLUMN `clsid` int(10) NOT NULL DEFAULT 0 AFTER `aid`;