Add help command readme

README.md

@@ -157,7 +157,13 @@ Shell 版本：[https://github.com/spiritLHLS/ecs](https://github.com/spiritLHLS
    ./goecs.sh uninstall
    ```
 
-6. **唤起菜单**
+6. **帮助命令**
+
+   ```bash
+   ./goecs.sh -h
+   ```
+
+7. **唤起菜单**
 
    ```bash
    goecs

README_EN.md

@@ -155,9 +155,14 @@ Will install dependencies by default, update package manager by default, non-int
 
    ```bash
    ./goecs.sh uninstall
-   ```
 
-6. **Invoke the menu**
+6. **help command**
+
+   ```bash
+   ./goecs.sh -h
+   ```   ```
+
+7. **Invoke the menu**
 
    ```bash
    goecs -l en

goecs.sh

@@ -622,8 +622,6 @@ show_help() {
 ./goecs.sh uninstall      卸载 goecs 命令
 ./goecs.sh help           显示此消息
 
-[English version follows...]
-
 Available commands:
 
 ./goecs.sh env             Check and Install dependencies