diff --git a/epmet-module/data-statistical/data-statistical-server/src/main/java/com/epmet/service/topic/impl/TopicServiceImpl.java b/epmet-module/data-statistical/data-statistical-server/src/main/java/com/epmet/service/topic/impl/TopicServiceImpl.java
index 6d9a78381e..83e3b9da38 100644
--- a/epmet-module/data-statistical/data-statistical-server/src/main/java/com/epmet/service/topic/impl/TopicServiceImpl.java
+++ b/epmet-module/data-statistical/data-statistical-server/src/main/java/com/epmet/service/topic/impl/TopicServiceImpl.java
@@ -147,7 +147,7 @@ public class TopicServiceImpl implements TopicService {
         List<ScreenDifficultyImgDataEntity> imgs = topicDao.selectTopicImgs(list);
         if(CollectionUtils.isEmpty(imgs)) return Collections.EMPTY_MAP;
         //key -> topicId  | value -> projectId
-        Map<String,String> projectTopicMap = list.stream().collect(Collectors.toMap(ProjectSourceMapFormDTO :: getSourceId,ProjectSourceMapFormDTO :: getProjectId));
+        Map<String,String> projectTopicMap = list.stream().collect(Collectors.toMap(ProjectSourceMapFormDTO :: getSourceId,ProjectSourceMapFormDTO :: getProjectId,(o,n)->n));
         //key -> topicId
         Map<String,List<ScreenDifficultyImgDataEntity>> result
                 = imgs.stream().collect(Collectors.groupingBy(ScreenDifficultyImgDataEntity :: getEventId));
@@ -178,7 +178,7 @@ public class TopicServiceImpl implements TopicService {
         if(CollectionUtils.isEmpty(contents)) return Collections.EMPTY_MAP;
         Map<String,String> topicContentMap = contents.stream().collect(Collectors.toMap(TopicContentResultDTO :: getTopicId,TopicContentResultDTO::getContent));
         //key -> topicId  | value -> projectId
-        Map<String,String> projectTopicMap = list.stream().collect(Collectors.toMap(ProjectSourceMapFormDTO :: getSourceId,ProjectSourceMapFormDTO :: getProjectId));
+        Map<String,String> projectTopicMap = list.stream().collect(Collectors.toMap(ProjectSourceMapFormDTO :: getSourceId,ProjectSourceMapFormDTO :: getProjectId,(o,n)->n));
         Map<String,String> result = new HashMap<>();
         projectTopicMap.forEach((topic,project) -> {
             result.put(project,topicContentMap.get(topic));