diff --git a/docs/xuexiluxian/redis.md b/docs/xuexiluxian/redis.md
index 5199197a585e2a818b72eed40b4883a3527276d0..aa8ff331aa7eede3dad90fb6b91a14b922c7d37a 100644
--- a/docs/xuexiluxian/redis.md
+++ b/docs/xuexiluxian/redis.md
@@ -164,5 +164,5 @@ Redis 集群：
 
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-![](http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xuexiluxian/redis-31cc11ae-0165-40ed-9f2b-41b4941aa0ef.jpeg)
+![](https://cdn.tobebetterjavaer.com/tobebetterjavaer/images/gongzhonghao.png)