diff --git a/books/free-programming-books-zh.md b/books/free-programming-books-zh.md
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--- a/books/free-programming-books-zh.md
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@@ -208,6 +208,7 @@
 
 ### 设计模式
 
+* [深入设计模式](https://refactoringguru.cn/design-patterns)
 * [史上最全设计模式导学目录](http://blog.csdn.net/lovelion/article/details/17517213)
 * [图说设计模式](https://github.com/me115/design_patterns)