diff --git a/X. Appendices/C.2. From the “spring-boot-actuator” module.md b/X. Appendices/C.2. From the “spring-boot-actuator” module.md
index 7ccdbac..9a4578d 100644
--- a/X. Appendices/C.2. From the “spring-boot-actuator” module.md	
+++ b/X. Appendices/C.2. From the “spring-boot-actuator” module.md	
@@ -1,2 +1,5 @@
 ### 附录C.2 来自`spring-boot-actuator`模块
 
+下列的自动配置类来自于`spring-boot-actuator`模块：
+
+