更新

server/api/modules/v1/controllers/SurveyController.php

@@ -334,7 +334,7 @@ class SurveyController extends Controller {
         if(!empty($cengci)){
             foreach ($cengci as $value) {
 
-		         $query->orWhere(new \yii\db\Expression('FIND_IN_SET("'.$value['level'].'", cengci)'));
+		         $query->andWhere(new \yii\db\Expression('FIND_IN_SET("'.$value['level'].'", cengci)'));
     		}
             $list = $query->all();
         }