diff --git a/README.md b/README.md
index 8a2dde7..9dbb33b 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,15 @@ Apache Dubbo (CVE-2023-23638)漏洞利用的工程化实践，覆盖Dubbo 3.x 
 
 感谢y4tacker师傅分享的fastjson原生反序列化思路
 
-# 工具截图
+# 命令行
+
+```
+java -jar CVE-2023-23638.jar TARGET_IP TARGET_PORT COMMAND CHARSET(default UTF-8)
+e.g.:
+  java -jar CVE-2023-23638.jar 127.0.0.1 20880 whoami
+```
+
+# GUI
 1. 注入字节码
   ![image](https://github.com/YYHYlh/YYHYlh.github.io/blob/main/source/img/CVE-2023-23638/image_3cwuAHt8rp.png)