增加功能：解密时，可从指定文件中读取密码

增加功能：解密时，可以指定shell的返回值为密码

README.md

@@ -59,15 +59,15 @@
   ```
   注：不必担心信息泄漏问题，使用此方式生成混淆的jar包时，会擦除pom.xml中关于class-winter-plugin的信息。
 
-- #### <font face="幼圆" ><font face="幼圆"  color = "#86CA5E">**方式二**</font>：通过 [**class-winter-core.jar**](https://gitee.com/JustryDeng/class-winter/raw/master/class-winter-core/src/test/resources/class-winter-core-2.3.0.jar) 主动加密。</font>
+- #### <font face="幼圆" ><font face="幼圆"  color = "#86CA5E">**方式二**</font>：通过 [**class-winter-core.jar**](https://gitee.com/JustryDeng/class-winter/raw/master/class-winter-core/src/test/resources/class-winter-core-2.4.0.jar) 主动加密。</font>
 
   ```bash
-  java -jar class-winter-core-2.3.0.jar originJarOrWar=${要加密的项目.jar或.war包} includePrefix=${加密范围} [k3=v3 k4=v4 ...]
+  java -jar class-winter-core-2.4.0.jar originJarOrWar=${要加密的项目.jar或.war包} includePrefix=${加密范围} [k3=v3 k4=v4 ...]
   # 对于复杂的参数值，可以使用引号引起来
   # linux
-  java -jar class-winter-core-2.3.0.jar k1='v1' k2='v2'
+  java -jar class-winter-core-2.4.0.jar k1='v1' k2='v2'
   # windows
-  java -jar class-winter-core-2.3.0.jar k1="v1" k2="v2"
+  java -jar class-winter-core-2.4.0.jar k1="v1" k2="v2"
   ```
 
 ## <font  face="幼圆" color = "#3399EA" >加密参数</font>