diff --git a/spring/spring cache/spring cache.md b/spring/spring cache/spring cache.md
index 03a1c51..977b9d6 100644
--- a/spring/spring cache/spring cache.md	
+++ b/spring/spring cache/spring cache.md	
@@ -16,6 +16,7 @@
     - [@EnableCaching](#enablecaching)
   - [配置cache 存储](#配置cache-存储)
     - [Cache Redis](#cache-redis)
+    - [限制cache-names](#限制cache-names)
 
 # Spring Cache
 ## Cache Abstract
@@ -163,4 +164,10 @@ public class MyRedisCacheManagerConfiguration {
     }
 
 }
+```
+### 限制cache-names
+默认情况下，cache是在需要时才创建的，但如果想要限制可用的cache-names，可以设置`cache.cache-names`属性。  
+在设置`cache.cache-names`属性之后，那么如果运行时应用想要获取cache-names之外的cache，将会在运行时抛出异常。
+```properties
+spring.cache.cache-names=cache1,cache2
 ```
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