diff --git a/IV. Spring Boot features/23.7. Typesafe Configuration Properties.md b/IV. Spring Boot features/23.7. Typesafe Configuration Properties.md
index 028bee8..bd67f7e 100644
--- a/IV. Spring Boot features/23.7. Typesafe Configuration Properties.md	
+++ b/IV. Spring Boot features/23.7. Typesafe Configuration Properties.md	
@@ -41,4 +41,4 @@ public class MyService {
 public class MyConfiguration {
 }
 ```
-**注**：使用@ConfigurationProperties能够产生可被IDEs使用的元数据文件。具体参考[Appendix B, Configuration meta-data](http://docs.spring.io/spring-boot/docs/current-SNAPSHOT/reference/htmlsingle/#configuration-metadata)。
+**注**：使用@ConfigurationProperties能够产生可被IDEs使用的元数据文件。具体参考[Appendix B, Configuration meta-data](../X. Appendices/B. Configuration meta-data.md)。