计划中工单->印件资料报错

application/api/controller/Manufacture.php

@@ -145,7 +145,7 @@ class Manufacture extends Api
         rtrim(yj_Dw) as  投料单位,rtrim(yj_平张投料) as 平张投料,rtrim(yj_ls) as 联数,rtrim(yj_ks) as 开数,rtrim(Sys_id) as 创建用户,
         rtrim(Sys_rq) as 创建时间,rtrim(Mod_rq) as 修改时间,rtrim(Uniqid) as UNIQID';
         $list = Db::table('工单_印件资料')->where($where)->field($field)->select();
-        if ($list){
+        if (empty($list)){
             $this->error('失败');
         }
         foreach ($list as $key=>$value){