diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000000000000000000000000000000000000..41bedb9a345e156233555bdc22c570f67703f8ad
Binary files /dev/null and b/.DS_Store differ
diff --git a/doc/.DS_Store b/doc/.DS_Store
index ff3b9b44b3a759eb0cb7ce754c1d87f38d49f23c..d0fc3fd69b405d8e0b5824e2120fe3fc31a8a586 100644
Binary files a/doc/.DS_Store and b/doc/.DS_Store differ
diff --git a/doc/fluid/.DS_Store b/doc/fluid/.DS_Store
index 99616ea71b8a7e866873e411e951c3c4ef549384..935a8babe78b2e043a1dbc25a34fed3cad44b519 100644
Binary files a/doc/fluid/.DS_Store and b/doc/fluid/.DS_Store differ
diff --git a/doc/fluid/beginners_guide/.DS_Store b/doc/fluid/beginners_guide/.DS_Store
new file mode 100644
index 0000000000000000000000000000000000000000..25c8607f1e93ef67d4a6a586c3dc264a97a03f97
Binary files /dev/null and b/doc/fluid/beginners_guide/.DS_Store differ
diff --git a/doc/fluid/beginners_guide/coding_practice/index_cn.rst b/doc/fluid/beginners_guide/coding_practice/index_cn.rst
index da748889d53242ffdf2ec8a8499490880dd17a2e..e1f5f5c5c8782c3d69c64437fd90c964d80bf374 100644
--- a/doc/fluid/beginners_guide/coding_practice/index_cn.rst
+++ b/doc/fluid/beginners_guide/coding_practice/index_cn.rst
@@ -9,6 +9,5 @@
 
    configure_simple_model/index_cn.rst
    single_node.rst
-   test_while_training.rst
    save_load_variables.rst
 
diff --git a/doc/fluid/release_note_cn.md b/doc/fluid/release_note_cn.md
index c427148fcc02223db07046a4843e596dbdfa1427..33dc7ca42036558a2ad80ffc38bf74f1a843091d 100644
--- a/doc/fluid/release_note_cn.md
+++ b/doc/fluid/release_note_cn.md
@@ -248,8 +248,7 @@ Release Notes
         - 全面优化文档逻辑，提供如工业质检、眼底筛查等工业场景的AIStudio实战教程。
 
 - ElasticRec（https://github.com/PaddlePaddle/ElasticRec）
-    -
-    - 发布了ElasticRec推荐排序系统，通过K8S进行部署，支持流式训练和在线预测服务。
+    - 发布ElasticRec推荐排序系统，通过K8S进行部署，支持流式训练和在线预测服务。
 
 ## 工具组件
 
diff --git a/doc/fluid/user_guides/.DS_Store b/doc/fluid/user_guides/.DS_Store
index 7ab085a011f43238ceb9a4d950412ad4e6a14f0f..a1574dbba4ba475e990747caf991b27583d5ae10 100644
Binary files a/doc/fluid/user_guides/.DS_Store and b/doc/fluid/user_guides/.DS_Store differ
diff --git a/doc/fluid/user_guides/tools/.DS_Store b/doc/fluid/user_guides/tools/.DS_Store
index 6ce366dcb30572e90ddd0d902e043901714682e0..1bf2deb8b8d101053cfbe9072dcbba0045e79f4e 100644
Binary files a/doc/fluid/user_guides/tools/.DS_Store and b/doc/fluid/user_guides/tools/.DS_Store differ
diff --git a/doc/fluid/user_guides/tools/elastic_ctr/.DS_Store b/doc/fluid/user_guides/tools/elastic_ctr/.DS_Store
new file mode 100644
index 0000000000000000000000000000000000000000..5fdac228db3b7d959a1aab59a617ca49a5f55944
Binary files /dev/null and b/doc/fluid/user_guides/tools/elastic_ctr/.DS_Store differ
diff --git a/doc/fluid/user_guides/tools/index_cn.rst b/doc/fluid/user_guides/tools/index_cn.rst
index f80c3fc7a3107e699533941f97d183f80acc767b..69b7cd6d19ca6c9865b39026504ab9319f42e594 100644
--- a/doc/fluid/user_guides/tools/index_cn.rst
+++ b/doc/fluid/user_guides/tools/index_cn.rst
@@ -10,4 +10,4 @@
 ..  toctree::
     :titlesonly:
 
-    deploy_ctr_on_baidu_cloud_cn.rst
+    elastic_ctr/deploy_ctr_on_baidu_cloud_cn.rst