update readme

Author: JoyChou93

README.md

@@ -11,10 +11,18 @@
 
 ### Usage
 
-代码和配置做了对Tomcat的适配。生成WAR包，放到Tomcat的Webapps目录即可。
 
-生成WAR包命令：
+1. 生成war包 `mvn clean package`
+2. 将target目录的war包，cp到Tomcat的webapps目录
+3. 重启Tomcat应用
+
 
 ```
-mvn clean package
+http://localhost:8080/java-sec-code-1.0.0/rce/exec?cmd=whoami
 ```
+ 
+返回
+
+``` 
+Viarus
+```

src/main/java/org/joychou/Application.java

@@ -5,15 +5,17 @@
 import org.springframework.boot.builder.SpringApplicationBuilder;
 import org.springframework.boot.web.support.SpringBootServletInitializer;
 
+
 @SpringBootApplication
-public class Application extends SpringBootServletInitializer{
+public class Application extends SpringBootServletInitializer {
 
     @Override
     protected SpringApplicationBuilder configure(SpringApplicationBuilder application) {
         return application.sources(Application.class);
     }
+
     public static void main(String[] args) throws Exception {
         SpringApplication.run(Application.class, args);
     }
-}
 
+}