diff --git a/servers/boe-server-all/src/main/java/com/xboe/module/boecase/service/impl/CaseAiChatServiceImpl.java b/servers/boe-server-all/src/main/java/com/xboe/module/boecase/service/impl/CaseAiChatServiceImpl.java
index f7791418..d6b01d5d 100644
--- a/servers/boe-server-all/src/main/java/com/xboe/module/boecase/service/impl/CaseAiChatServiceImpl.java
+++ b/servers/boe-server-all/src/main/java/com/xboe/module/boecase/service/impl/CaseAiChatServiceImpl.java
@@ -57,10 +57,7 @@ import java.io.IOException;
 import java.nio.charset.StandardCharsets;
 import java.time.LocalDateTime;
 import java.time.format.DateTimeFormatter;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Map;
-import java.util.Objects;
+import java.util.*;
 import java.util.concurrent.TimeUnit;
 
 @EnableConfigurationProperties({CaseAiProperties.class})
@@ -373,6 +370,7 @@ public class CaseAiChatServiceImpl implements ICaseAiChatService {
         try {
             // 先处理文件引用，收集CaseReferVo数据
             List<CaseReferVo> currentCaseRefers = new ArrayList<>();
+            Set<String> docIds = new HashSet<>();
             
             JSONObject fileRefer = responseData.getJSONObject("fileRefer");
             if (fileRefer != null && fileRefer.containsKey("files")) {
@@ -383,7 +381,8 @@ public class CaseAiChatServiceImpl implements ICaseAiChatService {
                     if (docId != null) {
                         // 根据docId从 case_document_log 表查询案例数据
                         CaseReferVo caseRefer = getCaseReferByDocId(docId);
-                        if (caseRefer != null) {
+                        if (caseRefer != null && !docIds.contains(docId)) {
+                            docIds.add(docId);
                             currentCaseRefers.add(caseRefer);
                             conversationData.addCaseRefer(caseRefer); // 也添加到总的收集器中
                         }