diff --git a/src/main/java/com/ccsens/carbasics/service/QuestionnaireService.java b/src/main/java/com/ccsens/carbasics/service/QuestionnaireService.java
index 3bd6b29..61b2da9 100644
--- a/src/main/java/com/ccsens/carbasics/service/QuestionnaireService.java
+++ b/src/main/java/com/ccsens/carbasics/service/QuestionnaireService.java
@@ -42,6 +42,9 @@ public class QuestionnaireService implements IQuestionnaireService{
 
     @Override
     public List<QuestionnaireVo.AreaInfo> queryArea(QuestionnaireDto.QueryArea param, Long userId) {
+        if (ObjectUtil.isNull(param.getId())){
+            param.setId(0L);
+        }
         return areaDao.queryByParentId(param);
     }