diff --git a/centos7-system-install.sh b/centos7-system-install.sh
index ca5c4c3..b630c72 100644
--- a/centos7-system-install.sh
+++ b/centos7-system-install.sh
@@ -55,4 +55,4 @@ chmod +x /usr/local/bin/docker-compose
 docker-compose -v
 echo "5. 安装Docker软件..."
 echo "5.1 portainer..."
-docker run -d -p 8888:9000 --name portainer --restart always -v /var/run/docker.sock:/var/run/docker.sock -v /data/portainer/data:/data portainer/portainer
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+docker run -d -p 8888:9000 --name portainer --restart always -v /var/run/docker.sock:/var/run/docker.sock -v /data/portainer/data:/data portainer/portainer-ce:2.11.1-alpine
\ No newline at end of file