diff --git a/Canal-prometheus.md b/Canal-prometheus.md
index 62dad0d..2dcd772 100644
--- a/Canal-prometheus.md
+++ b/Canal-prometheus.md
@@ -5,7 +5,7 @@ Canal server 性能指标监控基于prometheus的实现。
 关于prometheus，参见[官网](https://prometheus.io/)
 
 ##### 效果示意图
-![Image text](https://github.com/lcybo/canal/blob/master/images/overview.PNG?raw=true)
+![image.png | left | 747x413](https://cdn.nlark.com/lark/0/2018/png/5565/1534741669833-f1a30fce-ca72-450a-9857-0ce8f8377d82.png "")
 
 ## canal监控相关原始指标列表：