diff --git a/.idea/aws.xml b/.idea/aws.xml
index b63b642..71ca66c 100644
--- a/.idea/aws.xml
+++ b/.idea/aws.xml
@@ -8,4 +8,7 @@
       </list>
     </option>
   </component>
+  <component name="explorerToolWindow">
+    <option name="selectedTab" value="Amazon Q + CodeWhisperer" />
+  </component>
 </project>
\ No newline at end of file
diff --git a/.idea/dataSources.xml b/.idea/dataSources.xml
new file mode 100644
index 0000000..bcc1a11
--- /dev/null
+++ b/.idea/dataSources.xml
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="DataSourceManagerImpl" format="xml" multifile-model="true">
+    <data-source source="LOCAL" name="USER@localhost" uuid="90e99aae-83cc-4a16-b72d-1a5bf25f58b2">
+      <driver-ref>intersystemsiris</driver-ref>
+      <synchronize>true</synchronize>
+      <jdbc-driver>com.intersystems.jdbc.IRISDriver</jdbc-driver>
+      <jdbc-url>jdbc:IRIS://localhost:1972/USER</jdbc-url>
+      <jdbc-additional-properties>
+        <property name="com.intellij.clouds.kubernetes.db.host.port" />
+        <property name="com.intellij.clouds.kubernetes.db.enabled" value="false" />
+        <property name="com.intellij.clouds.kubernetes.db.container.port" />
+      </jdbc-additional-properties>
+      <working-dir>$ProjectFileDir$</working-dir>
+    </data-source>
+  </component>
+</project>
\ No newline at end of file
diff --git a/_sidebar.md b/_sidebar.md
index 309b8f4..73d1050 100644
--- a/_sidebar.md
+++ b/_sidebar.md
@@ -1,41 +1,45 @@
 - CWIKIUS 文档概述
-  - [文档介绍和快速链接](README.md)
-  - [联系方式](CONTACT.md)
+    - [文档介绍和快速链接](README.md)
+    - [联系方式](CONTACT.md)
 
 - 程序语言
-  - Java
-    - [概述和环境配置](programming-language/java/_README.md)
-    - [核心编程](programming-language/java/core/_README.md)
-    - [语言基础](programming-language/java/fundamentals/_README.md)
-  - Mumps
-    - [核心编程](programming-language/java/core/_README.md)
+    - Java
+        - [概述和环境配置](programming-language/java/_README.md)
+        - [核心编程](programming-language/java/core/_README.md)
+        - [语言基础](programming-language/java/fundamentals/_README.md)
+    - Mumps
+        - [核心编程](programming-language/java/core/_README.md)
 
 - 框架
-  - [Spring](framework/spring/_README.md)
+    - [Spring](framework/spring/_README.md)
 
 - 库和技术栈
-  - [FHIR](tech-stack/fhir.md)
-  - [JWT](tech-stack/jwt/README.md)
-  - [MessagePack](tech-stack/message-pack/index.md)
-  - [Protocol Buffers](tech-stack/protocol-buffers/index.md)
-  
+    - [FHIR](tech-stack/fhir.md)
+    - [JWT](tech-stack/jwt/README.md)
+    - [MessagePack](tech-stack/message-pack/index.md)
+    - [Protocol Buffers](tech-stack/protocol-buffers/index.md)
+
 - 产品应用
-  - [Discourse](product/discourse/index.md)
-  - [vTiger](product/vtiger/_index.md)
+    - [Discourse](product/discourse/index.md)
+    - [vTiger](product/vtiger/_index.md)
 
 - 组织和基金会
     - [HL7](organization-foundation/hl7.md)
 
 - 数据结构和算法
-  - [算法](algorithm/_index.md)
+    - [算法](algorithm/_index.md)
+
+- DevOps
+    - [OS](devops/_index.md)
+        - [linux](devops/os/linux.md)
 
 - 技术人生
-  - [面试](work/interview/_index.md)
-  - [职场](work/workplace/_index.md)
-  
+    - [面试](work/interview/_index.md)
+    - [职场](work/workplace/_index.md)
+
 
 - 快速导航
-  - [WWW.CWIKI.US](https://www.cwiki.us/)
-  - [WWW.OSSEZ.COM](https://www.ossez.com/categories)
-    - [DOCS.OSSEZ.COM](https://docs.ossez.com/#/)
+    - [WWW.CWIKI.US](https://www.cwiki.us/)
+    - [WWW.OSSEZ.COM](https://www.ossez.com/categories)
+        - [DOCS.OSSEZ.COM](https://docs.ossez.com/#/)
   
\ No newline at end of file
diff --git a/devops/_index.md b/devops/_index.md
new file mode 100644
index 0000000..39b1131
--- /dev/null
+++ b/devops/_index.md
@@ -0,0 +1,10 @@
+# RHEL 安装后初始化
+
+最近在对公司的 Linux 服务器进行一些初始化的安装和配置工作。对一个新的机器可能遇到的问题还比较多，先记录下来供以后参考。
+
+| 配置内容                   | 内容链接                                           |
+|------------------------|------------------------------------------------|
+| Linux 安装 NTP 时间服务器     | https://www.isharkfly.com/t/linux-ntp/10441    |
+| Firewall-cmd 安装和配置开放端口 | https://www.isharkfly.com/t/firewall-cmd/13715 |
+| Linux 设置主机名            | https://www.isharkfly.com/t/linux/15230        |
+| Linux 安装 httpd 服务器     | https://www.isharkfly.com/t/linux-httpd/15231  |
diff --git a/devops/os/linux.md b/devops/os/linux.md
new file mode 100644
index 0000000..7130d52
--- /dev/null
+++ b/devops/os/linux.md
@@ -0,0 +1,8 @@
+# HL7
+
+HL7 指的是一组用于在各种医疗服务提供者所使用之软件应用程序之间，传输临床和管理数据的国际标准。这些标准侧重于应用层，即OSI模型中的“第7层”。
+
+| 网站名称                  | 链接                                                           | 备注说明                |
+|-----------------------|--------------------------------------------------------------|---------------------|
+| 鲨鱼君（iSharkFly）FHIR 讨论 | https://www.isharkfly.com/tag/fhir                           | FHIR 相关技术在鲨鱼君平台上的讨论 |
+| HL7中国-医学信息标准协同工作平台    | http://wiki.hl7.org.cn:81/index.php?title=%E9%A6%96%E9%A1%B5 | FHIR 标准的官方参考网站      |