1.3升1.4后的报错

1.3.9升1.4后就变成这样了：

ERROR: SQLSTATE[42S22]: Column not found: 1054 Unknown column 'assignedTo' in 'where clause'
The sql is: SELECT id, name FROM zt_task wHeRe assignedTo = '******' AND deleted = '0' AND status IN ('wait','doing') AND zt_task.company = '1' oRdEr bY id desc lImiT 10

in C:zentaohomezentaolibdaodao.class.php on line 484, last called by C:zentaohomezentaolibdaodao.class.php on 628 through function query.