update advanced-use.md

site/src/site/sphinx/advanced-use.md

@@ -9,6 +9,7 @@
 * session——查看当前会话的信息
 * [reset](reset.md)——重置增强类，将被 Arthas 增强过的类全部还原，Arthas 服务端关闭时会重置所有增强过的类
 * version——输出当前目标 Java 进程所加载的 Arthas 版本号
+* history——打印命令历史
 * quit——退出当前 Arthas 客户端，其他 Arthas 客户端不受影响
 * shutdown——关闭 Arthas 服务端，所有 Arthas 客户端全部退出
 * [keymap](keymap.md)——Arthas快捷键列表及自定义快捷键
@@ -20,6 +21,7 @@
 * [thread](thread.md)——查看当前 JVM 的线程堆栈信息
 * [jvm](jvm.md)——查看当前 JVM 的信息
 * [sysprop](sysprop.md)——查看和修改JVM的系统属性
+* [sysenv](syspenv.md)——查看JVM的环境变量
 * **New!** [getstatic](getstatic.md)——查看类的静态属性
 
 ## class/classloader相关

site/src/site/sphinx/en/advanced-use.md

@@ -8,6 +8,7 @@ Advanced Usage
 * session - display current session information
 * [reset](reset.md) - reset all the enhanced classes. All enhanced classes will also be reset when Arthas server is closed by `shutdown`
 * version - print the version for the Arthas attached to the current Java process
+* history - view command history
 * quit/exit - exit the current Arthas session, without effecting other sessions
 * shutdown - terminate the Arthas server, all Arthas sessions will be destroyed
 * [keymap](keymap.md) - keymap for Arthas keyboard shortcut
@@ -17,7 +18,8 @@ Advanced Usage
 * [dashboard](dashboard.md) - dashboard for the system's real-time data
 * [thread](thread.md) - show java thread information
 * [jvm](jvm.md) - show JVM information
-* [sysprop](sysprop.md) - show/modify system properties
+* [sysprop](sysprop.md) - view/modify system properties
+* [sysenv](syspenv.md) — view system environment variables
 * **New!** [getstatic](getstatic.md) :clap: - examine class's static properties
 
 ## class/classloader