diff --git a/cases/os/centos.md b/cases/os/centos.md
index 3009b2b..287a4b5 100644
--- a/cases/os/centos.md
+++ b/cases/os/centos.md
@@ -70,7 +70,7 @@ Fedora release 24 (Twenty Four)
 * `Fedora` 官方仓库：https://github.com/fedora-infra
 * `Fedora` 官方镜像：https://hub.docker.com/_/fedora/
 * `Fedora` 官方镜像仓库：https://github.com/fedora-cloud/docker-brew-fedora
-* `CentOS` 官网：https://getfedora.org/
+* `CentOS` 官网：https://www.centos.org
 * `CentOS` 官方仓库：https://github.com/CentOS
 * `CentOS` 官方镜像：https://hub.docker.com/_/centos/
 * `CentOS` 官方镜像仓库：https://github.com/CentOS/CentOS-Dockerfiles