diff --git a/codes/git/startup.sh b/codes/git/startup.sh
new file mode 100644
index 0000000..6644c99
--- /dev/null
+++ b/codes/git/startup.sh
@@ -0,0 +1,27 @@
+#!/bin/bash
+
+export LANG="zh_CN.UTF-8"
+export JAVA_HOME=/opt/software/jdk1.8.0_121
+
+##############################__MAIN__########################################
+# 0. 检查传入的参数
+repository=`echo $1`
+branch=`echo $2`
+target=`echo $3`
+if [ "${repository}" == "" ] || [ "${branch}" == "" ];
+then
+  echo "用法：repository branch target"
+  echo "      repository: git仓储。"
+  echo "      branch: git分支。"
+  echo "      target: 代码存放目录。可选参数，默认为脚本所在目录。"
+  exit 0
+fi
+
+# 1. 更新代码
+sh update-code.sh ${repository} ${branch} ${target}
+
+# 2. 编译
+cd ${target}/codes
+echo "编译开始"
+mvn clean package -Dmaven.test.skip=true
+echo "编译结束"
diff --git a/codes/git/update-code.sh b/codes/git/update-code.sh
new file mode 100644
index 0000000..7664143
--- /dev/null
+++ b/codes/git/update-code.sh
@@ -0,0 +1,88 @@
+#!/bin/bash
+
+# xyz 下载代码通用脚本
+# 需要指定参数：仓库名、分支名
+
+# xyz 源码根目录
+SOURCE_PATH=/home/zp
+GITHUB_HOST=https://github.com/dunwu
+
+gitok=false
+isGitExist() {
+  cd ${SOURCE_PATH}
+  if [ -d "./${target}" ]; then
+    cd ./${target}
+    #(1)删除git状态零时文件
+    if [ -f "gitstatus.tmp" ]; then
+      rm -rf gitstatus.tmp
+    fi
+
+    #(2) 判断是否存在.git目录
+    if [ -d "./.git" ]; then
+      #(3) 判断git是否可用
+      git status &> gitstatus.tmp
+      grep -iwq 'not a git repository' gitstatus.tmp && gitok=false || gitok=true
+    fi
+
+    #返回到主目录
+    cd ${SOURCE_PATH}
+  fi
+}
+
+doFetchOrClone() {
+  if ${gitok}; then
+    cd ./${target}
+    git reset --hard
+    git clean -ffdx
+    git fetch
+    echo "git fetch ${repository} remote repository 到本地成功"
+  else
+    #删除所有内容,便于重新进行git clone
+    rm -rf ${repository}
+    git clone --no-checkout ${GITHUB_HOST}/${repository} ./${target}
+    echo "git clone ${repository} remote repository 到本地成功"
+    cd ./${target}
+  fi
+}
+
+doCheckout() {
+  echo "检出 ${repository} ${branch} 分支代码"
+  isRemoteBranch=false
+  gitRemoteBranch=`git branch -r`
+  echo -e "$gitRemoteBranch" | grep -iwq ${branch} && isRemoteBranch=true || isRemoteBranch=false
+  if ${isRemoteBranch}; then
+    echo "找到 ${branch} 对应的远端分支"
+    git checkout -f 'origin/'${branch}
+  else
+    git checkout -f ${branch}
+  fi
+  echo "更新子模块代码"
+  git submodule update --init --recursive --force
+}
+
+##############################__MAIN__########################################
+export LANG="zh_CN.UTF-8"
+
+# 0. 检查传入的参数
+repository=`echo $1`
+branch=`echo $2`
+target=`echo $3`
+if [ "${repository}" == "" ] || [ "${branch}" == "" ];
+then
+  echo "用法：repository branch target"
+  echo "      repository: git仓储。"
+  echo "      branch: git分支。"
+  echo "      target: 代码存放目录。可选参数，默认为脚本所在目录。"
+  exit 0
+fi
+
+# 1. 判断本地是否已存在 Git 仓库
+isGitExist
+
+# 2. 如果本地已有代码，执行 fetch；反之，从远程 clone
+doFetchOrClone
+
+# 3. 切换到指定分支
+doCheckout
+
+echo "代码检出完成！"