diff --git a/src/main/java/com/project/task/domain/service/impl/SearchTaskDomainServiceImpl.java b/src/main/java/com/project/task/domain/service/impl/SearchTaskDomainServiceImpl.java
index d434482..956453b 100644
--- a/src/main/java/com/project/task/domain/service/impl/SearchTaskDomainServiceImpl.java
+++ b/src/main/java/com/project/task/domain/service/impl/SearchTaskDomainServiceImpl.java
@@ -73,6 +73,7 @@ public class SearchTaskDomainServiceImpl implements SearchTaskDomainService {
                     return userDTO;
                 }).toList();
         dto.setParticipantUserDTOList(participantUserDTOList);
+        dto.setParticipantUserIdList(participantUserDTOList.stream().map(UserDTO::getId).toList());
         dto.setTotalQuestionNum(dto.getSingleChoiceNum() + dto.getMultipleChoiceNum() + dto.getTrueFalseNum());
         return dto;
     }