deal duplicate

src/main/java/com/zzsn/knowbase/service/impl/KnowledgeServiceImpl.java

@@ -427,6 +427,7 @@ class KnowledgeServiceImpl implements IKnowledgeService {
         List<KnowledgeVO> knowledgeList = new ArrayList<>(jsonArray.size());
         for (Object o : jsonArray) {
             JSONObject one = JSONObject.parseObject(o.toString());
+
             knowledgeList.add(KnowledgeVO.builder()
                     .id((String) one.get("id"))
                     .title((String) one.get("title"))
@@ -437,7 +438,7 @@ class KnowledgeServiceImpl implements IKnowledgeService {
                     .publishDate(one.get("publishDate").toString())
                     .type(one.get("type").toString())
                     .verifierName(one.get("verifierName").toString())
-                    .content(one.get("content").toString())
+                    .contents( Collections.singletonList(Content.builder().contentId(one.get("contentId").toString()).content(one.get("content").toString()).build()))
                     .build());
         }
         Map<String, List<KnowledgeVO>> map = knowledgeList.stream().collect(Collectors.groupingBy((KnowledgeVO::getId)));