system error-凯发app官网登录

mysql query : select word_id,sid,type,urlprefix from v5_word_juhe where type=2 and status=1 order by wj.id desc limit 10
mysql error : 42s22
1054
unknown column 'wj.id' in 'order clause'
mysql errno : 42s22
message :

php debug

no.	file	line	code
[line: 0083]www/index.php(cls_app->run) [line: 0525]lib/source/cls_v5.php(indexaction->word_goods_info) [line: 2432]lib/mod/site/index.php(sync_query_rows) [line: 3517]lib/source/function_core.php(cls_model->query) [line: 0192]lib/source/cls_model.php(cls_pdo_mysql->query) [line: 0093]lib/source/cls_pdo_mysql.php(cls_pdo_mysql->halt) [line: 0563]lib/source/cls_pdo_mysql.php(cls_error::system_error) [line: 0715]lib/source/cls_v5.php(cls_error::debug_backtrace)