diff --git a/sop-admin/sop-admin-backend/admin-service/src/main/java/com/gitee/sop/admin/service/doc/DocInfoSyncService.java b/sop-admin/sop-admin-backend/admin-service/src/main/java/com/gitee/sop/admin/service/doc/DocInfoSyncService.java
index 42872dc9..ce97afda 100755
--- a/sop-admin/sop-admin-backend/admin-service/src/main/java/com/gitee/sop/admin/service/doc/DocInfoSyncService.java
+++ b/sop-admin/sop-admin-backend/admin-service/src/main/java/com/gitee/sop/admin/service/doc/DocInfoSyncService.java
@@ -54,6 +54,13 @@ public class DocInfoSyncService {
         this.syncDocInfo(docApp, docInfoId, user);
     }
 
+    /**
+     * 同步远程文档
+     *
+     * @param docApp    应用
+     * @param docInfoId 同步某个文档,如果为null则同步整个应用文档
+     * @param user      登录用户
+     */
     public void syncDocInfo(DocApp docApp, Long docInfoId, User user) {
         Long docAppId = docApp.getId();
         Map<String, DocInfo> nameVersionMap = docInfoService.list(DocInfo::getDocAppId, docAppId)