diff --git a/zh-cn/.idea/.gitignore b/zh-cn/.idea/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..73f69e0958611ac6e00bde95641f6699030ad235
--- /dev/null
+++ b/zh-cn/.idea/.gitignore
@@ -0,0 +1,8 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
+# Editor-based HTTP Client requests
+/httpRequests/
diff --git a/zh-cn/.idea/modules.xml b/zh-cn/.idea/modules.xml
new file mode 100644
index 0000000000000000000000000000000000000000..2d016fd8e3218e9827cd01660d616b0086603995
--- /dev/null
+++ b/zh-cn/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/zh-cn.iml" filepath="$PROJECT_DIR$/.idea/zh-cn.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/zh-cn/.idea/vcs.xml b/zh-cn/.idea/vcs.xml
new file mode 100644
index 0000000000000000000000000000000000000000..6c0b8635858dc7ad44b93df54b762707ce49eefc
--- /dev/null
+++ b/zh-cn/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$/.." vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/zh-cn/.idea/zh-cn.iml b/zh-cn/.idea/zh-cn.iml
new file mode 100644
index 0000000000000000000000000000000000000000..bc2cd87409057301f546d83bd548111b9a241cb1
--- /dev/null
+++ b/zh-cn/.idea/zh-cn.iml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="CPP_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/zh-cn/application-dev/database/.idea/workspace.xml b/zh-cn/application-dev/database/.idea/workspace.xml
new file mode 100644
index 0000000000000000000000000000000000000000..cf6027f3b821b2a6db606f486ce176375ce7c046
--- /dev/null
+++ b/zh-cn/application-dev/database/.idea/workspace.xml
@@ -0,0 +1,62 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CMakeSettings">
+    <configurations>
+      <configuration PROFILE_NAME="Debug" CONFIG_NAME="Debug" ENABLED="true" />
+    </configurations>
+  </component>
+  <component name="ChangeListManager">
+    <list default="true" id="0f5d8024-73ff-40fc-8bec-236d17071322" name="Default Changelist" comment="" />
+    <option name="SHOW_DIALOG" value="false" />
+    <option name="HIGHLIGHT_CONFLICTS" value="true" />
+    <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
+    <option name="LAST_RESOLUTION" value="IGNORE" />
+  </component>
+  <component name="ClangdSettings">
+    <option name="formatViaClangd" value="false" />
+  </component>
+  <component name="Git.Settings">
+    <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$/../../.." />
+  </component>
+  <component name="ProjectId" id="2F1Keuemhlz4fUrPr3YIY0uc6KQ" />
+  <component name="ProjectLevelVcsManager" settingsEditedManually="true" />
+  <component name="ProjectViewState">
+    <option name="hideEmptyMiddlePackages" value="true" />
+    <option name="showLibraryContents" value="true" />
+  </component>
+  <component name="PropertiesComponent">
+    <property name="RunOnceActivity.OpenProjectViewOnStart" value="true" />
+    <property name="RunOnceActivity.ShowReadmeOnStart" value="true" />
+    <property name="RunOnceActivity.cidr.known.project.marker" value="true" />
+    <property name="WebServerToolWindowFactoryState" value="false" />
+    <property name="cf.first.check.clang-format" value="false" />
+    <property name="cidr.known.project.marker" value="true" />
+    <property name="last_opened_file_path" value="$PROJECT_DIR$" />
+  </component>
+  <component name="SpellCheckerSettings" RuntimeDictionaries="0" Folders="0" CustomDictionaries="0" DefaultDictionary="application-level" UseSingleDictionary="true" transferred="true" />
+  <component name="TaskManager">
+    <task active="true" id="Default" summary="Default task">
+      <changelist id="0f5d8024-73ff-40fc-8bec-236d17071322" name="Default Changelist" comment="" />
+      <created>1663654249122</created>
+      <option name="number" value="Default" />
+      <option name="presentableId" value="Default" />
+      <updated>1663654249122</updated>
+      <workItem from="1663654250564" duration="838000" />
+    </task>
+    <servers />
+  </component>
+  <component name="TypeScriptGeneratedFilesManager">
+    <option name="version" value="3" />
+  </component>
+  <component name="Vcs.Log.Tabs.Properties">
+    <option name="TAB_STATES">
+      <map>
+        <entry key="MAIN">
+          <value>
+            <State />
+          </value>
+        </entry>
+      </map>
+    </option>
+  </component>
+</project>
\ No newline at end of file
diff --git "a/zh-cn/readme/\345\210\206\345\270\203\345\274\217\346\225\260\346\215\256\347\256\241\347\220\206\345\255\220\347\263\273\347\273\237.md" "b/zh-cn/readme/\345\210\206\345\270\203\345\274\217\346\225\260\346\215\256\347\256\241\347\220\206\345\255\220\347\263\273\347\273\237.md"
index 21207011ac53a67ecfe390bd2c035a53ac3b91da..1c03079a0cd035e1fa8ae5a2f405f97ac73233cb 100755
--- "a/zh-cn/readme/\345\210\206\345\270\203\345\274\217\346\225\260\346\215\256\347\256\241\347\220\206\345\255\220\347\263\273\347\273\237.md"
+++ "b/zh-cn/readme/\345\210\206\345\270\203\345\274\217\346\225\260\346\215\256\347\256\241\347\220\206\345\255\220\347\263\273\347\273\237.md"
@@ -37,8 +37,11 @@
 
 ```
 distributeddatamgr/         # 子系统目录
-├── appdatamgr              # 本地数据管理组件目录
-└── distributeddatamgr      # 分布式数据服务组件目录
+├── relational_store        # 关系型数据库目录
+└── kv_store                # Key-Value数据库目录
+└── data_object             # 分布式数据对象目录
+└── preferences             # 首选项目录
+└── data_share              # 数据共享目录
 
 third_party/                # 开源软件目录
 ├── flatbuffers             # flatbuffers代码目录
@@ -99,11 +102,16 @@ third_party/                # 开源软件目录
 
 分布式数据管理子系统
 
-[distributeddatamgr\_appdatamgr](https://gitee.com/openharmony/distributeddatamgr_appdatamgr)
+[distributeddatamgr\_relational_store](https://gitee.com/openharmony/distributeddatamgr_relational_store)
 
-[distributeddatamgr\_distributeddatamgr](https://gitee.com/openharmony/distributeddatamgr_datamgr)
+[distributeddatamgr\_kv_store](https://gitee.com/openharmony/distributeddatamgr_kv_store)
 
-[third\_party\_sqlite](https://gitee.com/openharmony/third_party_sqlite)
+[distributeddatamgr\_data_object](https://gitee.com/openharmony/distributeddatamgr_data_object)
+
+[distributeddatamgr\_preferences](https://gitee.com/openharmony/distributeddatamgr_preferences)
 
-[third\_party\_flatbuffers](https://gitee.com/openharmony/third_party_flatbuffers)
+[distributeddatamgr\_data_share](https://gitee.com/openharmony/distributeddatamgr_data_share)
+
+[third\_party\_sqlite](https://gitee.com/openharmony/third_party_sqlite)
 
+[third\_party\_flatbuffers](https://gitee.com/openharmony/third_party_flatbuffers)
\ No newline at end of file