完善readme说明

README.md

@@ -57,7 +57,7 @@
       <configuration>
           <!-- <finalName></finalName>-->
           <includePrefix>加密范围</includePrefix>
-          <!-- <originJarOrWar>非必填</originJarOrWar>-->
+          <!-- <originJarOrWar>非必填（不填则自动获取）</originJarOrWar>-->
           <!-- <excludePrefix></excludePrefix>-->
           <!-- <includeXmlPrefix></includeXmlPrefix>-->
           <!-- <excludeXmlPrefix></excludeXmlPrefix>-->