fix

src/main/java/com/knowledge/base/domain/doc/service/impl/AbstractBaseFileImporter.java

@@ -128,11 +128,10 @@ public abstract class AbstractBaseFileImporter implements DocumentImporter {
                     fileCacheService.cacheMTime(relativePath, localMTime, 24 * 60);
                     return;
                 }
-            }
-
                 DeleteRequest deleteRequest = new DeleteRequest(INDEX_NAME, docId);
                 esClient.delete(deleteRequest, RequestOptions.DEFAULT);
                 logger.info("已删除旧版本文件: {}", relativePath);
+            }
 
             Map<String, Object> doc = new HashMap<>();
             doc.put("filename", fileName);