diff --git a/src/main/java/com/knowledge/base/infrastructure/north/controller/FileQueryController.java b/src/main/java/com/knowledge/base/infrastructure/north/controller/FileQueryController.java
index f1d1020..209a6fb 100644
--- a/src/main/java/com/knowledge/base/infrastructure/north/controller/FileQueryController.java
+++ b/src/main/java/com/knowledge/base/infrastructure/north/controller/FileQueryController.java
@@ -78,13 +78,10 @@ public class FileQueryController {
             LOGGER.error("SearchController#resolveFilePath Error. Invalid Input: " + JSONUtil.toJsonStr(req));
             return Maps.newHashMap();
         }
-        List<String> namesWithRelativePath = (List)req.get("fileNames");
-        Map<String, Object> filePaths = Maps.newHashMap();
-        namesWithRelativePath.forEach(pathFile -> {
-            if(fileCacheService.getMeta(pathFile).isPresent()) {
-                filePaths.put(pathFile, CacheUtil.loadFileMetaProp(pathFile, DocMetaPropEnum.ACCESS_URL.code, String.class));
-            }
-        });
+        List<String> fileNames = (List<String>) req.get("fileNames");
+
+        Map<String, String> filePaths = esGateway.getUrlsByFileNames(fileNames);
+
         Map<String, Object> result = Maps.newHashMap();
         result.put("filePaths", filePaths);
         return result;
diff --git a/src/main/java/com/knowledge/base/infrastructure/south/es/FileElasticsearchGateway.java b/src/main/java/com/knowledge/base/infrastructure/south/es/FileElasticsearchGateway.java
index 5f523d9..7eaf67f 100644
--- a/src/main/java/com/knowledge/base/infrastructure/south/es/FileElasticsearchGateway.java
+++ b/src/main/java/com/knowledge/base/infrastructure/south/es/FileElasticsearchGateway.java
@@ -33,6 +33,7 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
 
 import java.io.IOException;
+import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.stream.Collectors;
@@ -275,5 +276,40 @@ public class FileElasticsearchGateway {
         }
     }
 
+    /**
+     * 根据 fileName（带相对路径）批量查出 url
+     */
+    public Map<String, String> getUrlsByFileNames(List<String> fileNames) {
+        Map<String, String> filePathUrlMap = new HashMap<>();
+        if (CollectionUtil.isEmpty(fileNames)) {
+            return filePathUrlMap;
+        }
+        // ES 批量 term 查询
+        BoolQueryBuilder boolQuery = QueryBuilders.boolQuery();
+        boolQuery.must(QueryBuilders.termsQuery(FileEsField.FILEPATH, fileNames));
+        boolQuery.filter(QueryBuilders.rangeQuery(FileEsField.EXPIRE_TIME)
+                .gte(System.currentTimeMillis())
+                .timeZone("+08:00"));
+
+        SearchSourceBuilder builder = new SearchSourceBuilder()
+                .query(boolQuery)
+                .size(fileNames.size()); // 最多查 fileNames.size() 条
+        SearchRequest request = new SearchRequest(INDEX_NAME).source(builder);
+
+        try {
+            SearchResponse response = esClient.search(request, RequestOptions.DEFAULT);
+            for (SearchHit hit : response.getHits().getHits()) {
+                Map<String, Object> src = hit.getSourceAsMap();
+                String filePath = String.valueOf(src.get(FileEsField.FILEPATH));
+                String url = String.valueOf(src.get("url"));
+                filePathUrlMap.put(filePath, url);
+            }
+        } catch (IOException e) {
+            log.error("[getUrlsByFileNames] error.", e);
+        }
+        return filePathUrlMap;
+    }
+
+
 }