卓越飞翔博客可以批量提取内容第一张图为标题图，仅供参考，修正之前先备份。
采用方法
后台-系统-备份与恢复数据-执行sql语句
UPDATE phome_ecms_news
JOIN phome_ecms_news_data_1
ON phome_ecms_news.id = phome_ecms_news_data_1.id
SET phome_ecms_news.titlepic = (select reverse(substring(reverse(substring_index(substring(newstext,locate('src=',newstext)+6),'"',1)),2,255)) from phome_ecms_news_data_1 where id=phome_ecms_news.id)
WHERE phome_ecms_news.titlepic='';
回忆起修正数据表名
UPDATE phome_ecms_news SET ispic=1 WHERE titlepic<>'';