diff --git a/tutorials/katacoda/arthas-advanced-cn/start-demo.md b/tutorials/katacoda/arthas-advanced-cn/start-demo.md
index 154a8eb48..f72af0f67 100644
--- a/tutorials/katacoda/arthas-advanced-cn/start-demo.md
+++ b/tutorials/katacoda/arthas-advanced-cn/start-demo.md
@@ -4,7 +4,7 @@
 
 下载`demo-arthas-spring-boot.jar`，再用`java -jar`命令启动：
 
-`wget https://github.com/hengyunabc/katacoda-scenarios/raw/master/demo-arthas-spring-boot.jar
+`wget https://github.com/hengyunabc/spring-boot-inside/raw/master/demo-arthas-spring-boot/demo-arthas-spring-boot.jar
 java -jar demo-arthas-spring-boot.jar`{{execute T1}}
 
 `demo-arthas-spring-boot`是一个很简单的spring boot应用，源代码：[查看](https://github.com/hengyunabc/spring-boot-inside/tree/master/demo-arthas-spring-boot)
diff --git a/tutorials/katacoda/arthas-advanced-en/start-demo.md b/tutorials/katacoda/arthas-advanced-en/start-demo.md
index 4547cd7f1..da8d7a604 100644
--- a/tutorials/katacoda/arthas-advanced-en/start-demo.md
+++ b/tutorials/katacoda/arthas-advanced-en/start-demo.md
@@ -4,7 +4,7 @@
 
 Download `demo-arthas-spring-boot.jar`, and start with `java -jar` command:
 
-`wget https://github.com/hengyunabc/katacoda-scenarios/raw/master/demo-arthas-spring-boot.jar
+`wget https://github.com/hengyunabc/spring-boot-inside/raw/master/demo-arthas-spring-boot/demo-arthas-spring-boot.jar
 java -jar demo-arthas-spring-boot.jar`{{execute T1}}
 
 `demo-arthas-spring-boot` is a simple Spring Boot demo, the source code here: [View](https://github.com/hengyunabc/spring-boot-inside/tree/master/demo-arthas-spring-boot)