diff --git a/shandan-browser/src/main/java/com/keyware/shandan/browser/service/FileSearchService.java b/shandan-browser/src/main/java/com/keyware/shandan/browser/service/FileSearchService.java
index 8fa5f6f..60d3019 100644
--- a/shandan-browser/src/main/java/com/keyware/shandan/browser/service/FileSearchService.java
+++ b/shandan-browser/src/main/java/com/keyware/shandan/browser/service/FileSearchService.java
@@ -4,6 +4,7 @@ import cn.hutool.core.util.ReflectUtil;
 import com.keyware.shandan.bianmu.entity.DirectoryVo;
 import com.keyware.shandan.bianmu.enums.ReviewStatus;
 import com.keyware.shandan.bianmu.service.DirectoryService;
+import com.keyware.shandan.browser.SearchLogProcessor;
 import com.keyware.shandan.browser.entity.FullSearchParam;
 import com.keyware.shandan.browser.entity.PageVo;
 import com.keyware.shandan.common.constants.DirConstant;
@@ -45,15 +46,28 @@ public class FileSearchService {
     private RestHighLevelClient esClient;
     @Autowired
     private DirectoryService directoryService;
+    @Autowired
+    private SearchLogProcessor searchLogProcessor;
 
     public PageVo searchFile(FullSearchParam param) throws IOException {
-
         SearchRequest request = Requests.searchRequest("shandan");
         SearchSourceBuilder searchSourceBuilder = new SearchSourceBuilder();
         searchSourceBuilder.from(param.getPage() * param.getSize() - param.getSize()).size(param.getSize());
 
         String metaId = param.getMetaId();
         String text = param.getSearch();
+        boolean defaultSearch = StringUtils.isBlank(text) && (StringUtils.isBlank(metaId) || "ROOT".equals(metaId));
+        if (defaultSearch) {
+            List<String> words = new ArrayList<>();
+            for (String systemWord : searchLogProcessor.getSystemWords()) {
+                words.add(systemWord);
+                if (words.size() == 5) {
+                    break;
+                }
+            }
+            text = String.join(" ", words);
+        }
+
         String[] searchFields = param.getSearchFields().split(",");
 
         BoolQueryBuilder builder = QueryBuilders.boolQuery();
@@ -63,7 +77,7 @@ public class FileSearchService {
             ids.addAll(getChildrenByDirId(metaId));
             builder.must(QueryBuilders.termsQuery("entityId", ids));
         }
-        if (StringUtils.isNotBlank(text)) {
+        if (StringUtils.hasText(text)) {
             BoolQueryBuilder boolQuery = QueryBuilders.boolQuery();
             String[] includesCol = {"fileName", "entryStaff", "equipmentModel", "source", "taskCode", "taskNature", "troopCode", "targetNumber", "missileNumber", "themeTask", "remark", "text"};