{"msg":"运行时异常:\n### Error querying database.  Cause: java.sql.SQLSyntaxErrorException: Duplicate column name 'categoryShortName'\n### The error may exist in file [/data/webapps/ec-materials-front/WEB-INF/classes/mybatis/materials/ContentMapper.xml]\n### The error may involve com.dongao.materials.front.mapper.ContentMapper.selectTagHotDownContents-Inline\n### The error occurred while setting parameters\n### SQL: SELECT count(0) FROM (SELECT c.id contentId, c.title, c.description, c.category_id categoryId, cat.short_name categoryShortName, c.subject_id subjectId, sub.short_name subjectShortName, c.classific_id classificId, c.is_special isSpecial, c.file_type dFileType, cat.short_name categoryShortName, sum(c.download_base + IFNULL(ch.download_count, 0)) chot, c.short_title shortTitle, c.update_time FROM ec_mat_content c JOIN ec_mat_content_hot ch ON c.id = ch.content_id LEFT JOIN ec_mat_category cat ON c.category_id = cat.id JOIN ec_mat_subject sub ON sub.id = c.subject_id WHERE c.id IN (SELECT DISTINCT mc.id AS conid FROM ec_mat_content_tag ctag JOIN ec_mat_content mc ON ctag.content_id = mc.id JOIN ec_mat_tag mt ON mt.id = ctag.tag_id WHERE mc.status = 1 AND ctag.tag_id IN (SELECT emct.tag_id FROM ec_mat_content_tag emct, ec_mat_tag tag WHERE emct.content_id = ? AND emct.tag_id = tag.id AND tag.STATUS = 1) AND mc.id != ?) GROUP BY c.id LIMIT 5) table_count\n### Cause: java.sql.SQLSyntaxErrorException: Duplicate column name 'categoryShortName'\n; bad SQL grammar []; nested exception is java.sql.SQLSyntaxErrorException: Duplicate column name 'categoryShortName'","code":500}