diff --git a/How-to-run-multiple-user-docker-daemons.md b/How-to-run-multiple-user-docker-daemons.md
index 611617c..ccfa454 100644
--- a/How-to-run-multiple-user-docker-daemons.md
+++ b/How-to-run-multiple-user-docker-daemons.md
@@ -169,7 +169,7 @@ docker run -e CATTLE_AGENT_IP="172.20.0.2" -e CATTLE_CHECK_NAMESERVER=false --rm
 
 As Rancher uses the overlay network by default, only one RancherOS host can be used in one Env.
 
-![](https://files.slack.com/files-pri/T02RW4JDH-FBT1TPADB/screen_shot_2018-07-18_at_10.55.36_am.png)
+![](https://ws4.sinaimg.cn/mw1024/006tNc79ly1ftf71igkqoj31ie0satah.jpg)
 
 ## Others