diff --git a/codes/deploy/tool/maven/README.md b/codes/deploy/tool/maven/README.md
index 884e371..48deb9d 100644
--- a/codes/deploy/tool/maven/README.md
+++ b/codes/deploy/tool/maven/README.md
@@ -3,9 +3,7 @@
 使用方法：
 
 ```sh
-wget --no-check-certificate --no-cookies https://raw.githubusercontent.com/dunwu/linux/master/codes/deploy/tool/maven/install-maven3.sh
-chmod -R 777 install-maven3.sh
-./install-maven3.sh
+curl -o- https://raw.githubusercontent.com/dunwu/linux/master/codes/deploy/tool/maven/install-maven3.sh | bash
 ```
 
 脚本会下载解压 maven 到 `/opt/maven` 路径下。
diff --git a/codes/deploy/tool/maven/install-maven3.sh b/codes/deploy/tool/maven/install-maven3.sh
index d7ef7ee..a70a945 100644
--- a/codes/deploy/tool/maven/install-maven3.sh
+++ b/codes/deploy/tool/maven/install-maven3.sh
@@ -13,7 +13,7 @@ echo -e "\n>>>>>>>>> install maven"
 mkdir -p /opt/maven
 cd /opt/maven
 
-version=3.2.5
+version=3.5.4
 wget --no-check-certificate --no-cookies --header "Cookie: oraclelicense=accept-securebackup-cookie" http://mirrors.tuna.tsinghua.edu.cn/apache/maven/maven-3/${version}/binaries/apache-maven-${version}-bin.tar.gz
 tar -zxvf apache-maven-${version}-bin.tar.gz