diff --git a/site/src/site/sphinx/en/quick-start.md b/site/src/site/sphinx/en/quick-start.md
index df7db5efb..f5a26ad6e 100644
--- a/site/src/site/sphinx/en/quick-start.md
+++ b/site/src/site/sphinx/en/quick-start.md
@@ -94,11 +94,11 @@ java.home              /Library/Java/JavaVir
                        e/jre
 ```
 
-## 4. Get the Main Class of the process with the sysenv command
+## 4. Get the Main Class of the process with the thread command
 
 ```
-$ sysenv | grep MAIN
- JAVA_MAIN_CLASS_71560              demo.MathGame
+$ thread -n -1 | grep 'main('
+    at demo.MathGame.main(MathGame.java:17)
 ```
 
 ## 5. Decompile Main Class with jad command
diff --git a/site/src/site/sphinx/quick-start.md b/site/src/site/sphinx/quick-start.md
index d2454c365..484f7db4a 100644
--- a/site/src/site/sphinx/quick-start.md
+++ b/site/src/site/sphinx/quick-start.md
@@ -95,11 +95,11 @@ java.home              /Library/Java/JavaVir
                        e/jre
 ```
 
-## 4. 通过sysenv命令来获取到进程的Main Class
+## 4. 通过thread命令来获取到进程的Main Class
 
 ```
-$ sysenv | grep MAIN
- JAVA_MAIN_CLASS_71560              demo.MathGame
+$ thread -n -1 | grep 'main('
+    at demo.MathGame.main(MathGame.java:17)
 ```
 
 ## 5. 通过jad来反编绎Main Class