diff --git a/src/main/java/com/ai/da/service/impl/PortfolioServiceImpl.java b/src/main/java/com/ai/da/service/impl/PortfolioServiceImpl.java
index a00e2da6..e4a85177 100644
--- a/src/main/java/com/ai/da/service/impl/PortfolioServiceImpl.java
+++ b/src/main/java/com/ai/da/service/impl/PortfolioServiceImpl.java
@@ -136,7 +136,7 @@ public class PortfolioServiceImpl extends ServiceImpl<PortfolioMapper, Portfolio
             throw new BusinessException("The title of the published work has been used.");
         }
         // 判断用户是否参与#RCAworkshop_2024的活动
-        if (Objects.isNull(portfolioDTO.getId()) && hasParticipatedRCAWorkshop(authPrincipalVo.getId(), portfolioDTO.getTagsDTO())){
+        if (hasParticipatedRCAWorkshop(authPrincipalVo.getId(), portfolioDTO.getTagsDTO(), portfolioDTO.getId(), portfolioDTO.getUserLikeGroupId())){
             throw new BusinessException("you.have.participated.in.the.event", ResultEnum.PROMPT.getCode());
         }
         if (file != null && file.getOriginalFilename() != null) {
@@ -1078,13 +1078,25 @@ public class PortfolioServiceImpl extends ServiceImpl<PortfolioMapper, Portfolio
     }
 
     // 验证该用户是否已参加活动
-    public Boolean hasParticipatedRCAWorkshop(Long accountId, List<TagsDTO> tags) {
+    public Boolean hasParticipatedRCAWorkshop(Long accountId, List<TagsDTO> tags, Long portfolioId, Long userLikeGroupId) {
         List<String> collect = tags.stream().map(Tags::getTagName).collect(Collectors.toList());
         if (!collect.contains(CommonConstant.RCA_WORKSHOP_TAG)){
             return false;
         }else {
+            UserLikeGroup userLikeGroup = userLikeGroupService.getById(userLikeGroupId);
+            // 不是原创的作品不能参与活动
+            if (userLikeGroup.getOriginal().equals(0)){
+                throw new BusinessException("only.original.works.can.participate.in.the.event", ResultEnum.PROMPT.getCode());
+            }
             List<Portfolio> byTag = baseMapper.getByTag(accountId, CommonConstant.RCA_WORKSHOP_TAG);
-            return !byTag.isEmpty();
+            if (byTag.isEmpty()){
+                return false;
+            }else if (!Objects.isNull(portfolioId)){
+                boolean contains = byTag.stream().map(Portfolio::getId).collect(Collectors.toList()).contains(portfolioId);
+                return !contains;
+            }else {
+                return true;
+            }
         }
     }
 
diff --git a/src/main/resources/messages_en.properties b/src/main/resources/messages_en.properties
index fa348dcb..f3f2bd85 100644
--- a/src/main/resources/messages_en.properties
+++ b/src/main/resources/messages_en.properties
@@ -140,6 +140,7 @@ slogan.image.cannot.be.empty=Slogan image cannot be empty.
 questionnaire.filled.out=You have filled out the current questionnaire.
 user.has.no.account=The current user has no account！
 you.have.participated.in.the.event=You have participated in the event.
+only.original.works.can.participate.in.the.event=Sorry, only original works can participate in the event.
 
 # 可能会报异常
 # Informative:
diff --git a/src/main/resources/messages_zh.properties b/src/main/resources/messages_zh.properties
index 6f07d92a..1a7d4e0f 100644
--- a/src/main/resources/messages_zh.properties
+++ b/src/main/resources/messages_zh.properties
@@ -134,7 +134,8 @@ slogan.style.cannot.be.empty=标语风格文本不能为空。
 slogan.image.cannot.be.empty=标语图片不能为空。
 questionnaire.filled.out=您已填写过当前问卷。
 user.has.no.account=当前用户没有账号。
-you.have.participated.in.the.event=您已经参与活动
+you.have.participated.in.the.event=您已经参与活动。
+only.original.works.can.participate.in.the.event=抱歉，只有原创作品能参与活动。
 
 # 可能会报异常
 # Informative: