修改文件

application/common/service/DemandBiddingService.php

@@ -2,7 +2,7 @@
 
 namespace app\common\service;
 
-use app\common\model\Demand\Biddings;
+use app\common\model\demand\Biddings;
 use app\common\traits\ServiceTrait;
 use Exception;
 use think\Db;