update docs

Signed-off-by: Nannie_wangli <annie.wangli@huawei.com>

en/application-dev/database/Readme-EN.md

@@ -7,5 +7,9 @@
   - [RDB Overview](database-relational-overview.md)
   - [RDB Development](database-relational-guidelines.md)
 - Lightweight Data Store
-  - [Lightweight Data Store Overview](database-preference-overview.md)
-  - [Lightweight Data Store Development](database-preference-guidelines.md)
\ No newline at end of file
+  - [Lightweight Data Store Overview](database-distributedobject-overview.md)
+  - [Lightweight Data Store Development](database-distributedobject-guidelines.md)
+  
+  
+  
+  
\ No newline at end of file

en/application-dev/reference/apis/Readme-EN.md

@@ -36,6 +36,7 @@
     -   [App Storage Statistics](js-apis-storage-statistics.md)
     -   [Volume Management](js-apis-volumemanager.md)
 -   Account Management
+    -   [OS Account Management](js-apis-osAccount.md)
     -   [Distributed Account Management](js-apis-distributed-account.md)
     -   [App Account Management](js-apis-appAccount.md)
 -   Telephony Service