diff --git a/kbqa-graph/src/main/java/com/supervision/service/impl/KGServiceImpl.java b/kbqa-graph/src/main/java/com/supervision/service/impl/KGServiceImpl.java
index 123e089..9dd8636 100644
--- a/kbqa-graph/src/main/java/com/supervision/service/impl/KGServiceImpl.java
+++ b/kbqa-graph/src/main/java/com/supervision/service/impl/KGServiceImpl.java
@@ -108,7 +108,7 @@ public class KGServiceImpl implements KGService {
             List<SourceKgInfo> sourceKgInfos = preferKgInfoList.stream().peek(kgInfo->preferFileIds.add(kgInfo.getFileQaDocId()))
                     .peek(kgInfo->{
                         if (StrUtil.isEmpty(kgInfo.getContent())){
-                            kgInfo.setContent(fileIdMapContent.get(kgInfo.getFileQaDocId()));
+                            kgInfo.setSummary(fileIdMapContent.get(kgInfo.getFileQaDocId()));
                         }
                     }).map(SourceKgInfo::kgInfo2SourceKgInfo)
                     .filter(source-> StrUtil.isNotEmpty(source.getSummary())).collect(Collectors.toList());