diff --git a/docs/developer-guide.md b/docs/developer-guide.md
index 26067d5f13cc3c7f6dc1c74d174a8aa90a8cb8e5..3020979ad3d6a7fb398acd69af4f318639162fd2 100644
--- a/docs/developer-guide.md
+++ b/docs/developer-guide.md
@@ -181,7 +181,7 @@ public final class YourXxxAgent {
     - [Working with Manifest Files - The Java™ TutorialsHide](https://docs.oracle.com/javase/tutorial/deployment/jar/manifestindex.html)
 - [Java SE 6 新特性: Instrumentation 新功能](http://www.ibm.com/developerworks/cn/java/j-lo-jse61/)
 - [Creation, dynamic loading and instrumentation with javaagents](http://dhruba.name/2010/02/07/creation-dynamic-loading-and-instrumentation-with-javaagents/)
-- [JavaAgent加载机制分析](http://alipaymiddleware.com/jvm/javaagent%E5%8A%A0%E8%BD%BD%E6%9C%BA%E5%88%B6%E5%88%86%E6%9E%90/)
+- [JavaAgent加载机制分析](https://www.iteye.com/blog/nijiaben-1847212/)
 
 ## Javassist