diff --git a/.travis/docker-entrypoint.sh b/.travis/docker-entrypoint.sh
index 95026b4..fe7b61d 100755
--- a/.travis/docker-entrypoint.sh
+++ b/.travis/docker-entrypoint.sh
@@ -13,7 +13,7 @@ cp -a . /srv/gitbook
 cd /srv/gitbook
 
 main(){
-  if [ "$1" = build ];then gitbook build; cp -a _book $srcDir; echo $START; date "+%F %T"; exit 0; fi
+  if [ "$1" = build ];then gitbook build && cp -a _book $srcDir && echo $START && date "+%F %T" && exit 0; fi
   exec gitbook serve
   exit 0
 }
diff --git a/SUMMARY.md b/SUMMARY.md
index 832d6bc..322669b 100644
--- a/SUMMARY.md
+++ b/SUMMARY.md
@@ -116,7 +116,6 @@
 * [CoreOS 项目](coreos/README.md)
     * [简介](coreos/intro.md)
     * [工具](coreos/intro_tools.md)
-    * [快速搭建 CoreOS 集群](coreos/quickstart.md)
 * [Kubernetes 项目](kubernetes/README.md)
     * [简介](kubernetes/intro.md)
     * [快速上手](kubernetes/quickstart.md)
diff --git a/manifest b/manifest
index 26541a2..f577b1e 100644
--- a/manifest
+++ b/manifest
@@ -1,6 +1,6 @@
 DOCKER_VERSION=19.03.1
 DOCKER_COMPOSE_VERSION=1.24.1
-DOCKER_MACHINE_VERSION=0.13.0
+DOCKER_MACHINE_VERSION=0.16.1
 ETCD_VERSION=3.4.0
 KUBERNETES_VERSION=1.14.3
 UBUNTU=18.04