diff --git a/README.md b/README.md
index 841c1c0..4e4fe51 100644
--- a/README.md
+++ b/README.md
@@ -10,24 +10,35 @@
 ```sh
 ➜ cd base
 
-➜ wget https://www.dropbox.com/s/nuz6ts1hlx4vy27/vagrant-centos-7.2.box\?dl\=0 -O vagrant-centos-7.2.box
+➜ wget https://www.dropbox.com/s/570sb9j9k6b9rpp/centos-7.5-ehlxr.box?dl=0 -O centos-7.5-ehlxr.box
 
-➜ vagrant box add -f centos-7.2 vagrant-centos-7.2.box
+➜ vagrant box add -f centos-7.5-ehlxr centos-7.5-ehlxr.box
 
 ➜ vagrant up # 执行 init.sh 脚本时，最好保证能够 fq
 
-➜ vagrant package --output centos-7.2-ehlxr.box
+➜ vagrant package --output centos-7.5-ehlxr.box
 
-➜ vagrant box add -f centos-7.2-ehlxr centos-7.2-ehlxr.box
+➜ vagrant box add -f centos-7.5-ehlxr centos-7.5-ehlxr.box
 
 ```
 
 ```sh
-# onedrive.live.com、drive.google.com、pan.baidu.com 下载 centos-7.2-ehlxr.box
+# onedrive.live.com、drive.google.com、pan.baidu.com 下载 centos-7.5-ehlxr
 
-➜ vagrant box add -f centos-7.2-ehlxr centos-7.2-ehlxr.box
+➜ vagrant box add -f centos-7.5-ehlxr centos-7.5-ehlxr.box
 # vagrant package --base vghost1 --output centos-ehlxr.box
 
 ➜ vagrant up # 执行 init.sh 脚本时，最好保证能够 fq
 
+```
+
+## vagrant plugin install 超时解决方法
+
+```sh
+➜ gem sources --add https://gems.ruby-china.com/ --remove https://rubygems.org/
+
+➜ gem sources -l
+# 确保只有 gems.ruby-china.com
+
+➜ vagrant plugin install vagrant-vbguest --plugin-clean-sources --plugin-source https://gems.ruby-china.com/
 ```
\ No newline at end of file
diff --git a/Vagrantfile b/Vagrantfile
index 87a2978..1af9ed6 100644
--- a/Vagrantfile
+++ b/Vagrantfile
@@ -45,9 +45,9 @@ Vagrant.configure("2") do |config|
             # do NOT check the correct additions version when booting this machine（插件安装：vagrant plugin install vagrant-vbguest）
             cfg.vbguest.auto_update = false
 
-            # cfg.vm.synced_folder "/Users/ehlxr/works/Vagrant/vm_share", "/root/", type: "virtualbox"
-            cfg.vm.synced_folder "/Users/ehlxr/works/Vagrant", "/vagrant", disabled: true
-            cfg.vm.synced_folder "/Users/ehlxr/works/Vagrant", "/root/share", type: "virtualbox"
+            # cfg.vm.synced_folder "./", "/root/", type: "virtualbox"
+            cfg.vm.synced_folder "./", "/vagrant", disabled: true
+            cfg.vm.synced_folder "./", "/root/share", type: "virtualbox"
 
             # 开机运行命令
             cfg.vm.provision "shell", run: "always", inline: <<-SHELL