diff --git a/install-runtime.sh b/install-runtime.sh
deleted file mode 100644
index e5d92369..00000000
--- a/install-runtime.sh
+++ /dev/null
@@ -1,69 +0,0 @@
-#!/usr/bin/env bash
-
-function download_file() {
-  downloader="wget"
-  type wget >/dev/null 2>&1 || { downloader="curl"; }
-  if [ "$downloader" = "wget" ]; then
-    _down_prefix="O"
-  else
-    _down_prefix="o"
-  fi
-  _down_symbol=0
-  if [ ! -f "$2" ]; then
-    echo $1
-    $downloader "$1" -$_down_prefix "$2" >/dev/null 2>&1 && \
-    echo "完成！" && _down_symbol=1
-  else
-    echo "已存在！" && _down_symbol=1
-  fi
-  if [ $_down_symbol == 0 ]; then
-    echo "失败！请检查网络连接！"
-    rm -rf "$2"
-    return 1
-  fi
-  return 0
-}
-
-function test_composer_and_php() {
-  succ=$("$(pwd)/runtime/composer" -n about | grep Manage)
-  if [ "$succ" = "" ]; then
-    echo "Download PHP binary and composer failed!"
-    return 1
-  fi
-  return 0
-}
-
-if [ "$(uname -s)" != "Linux" ]; then
-  echo "Only support Linux!!!"
-  exit 1
-fi
-
-ZM_PHP_VERSION="7.4"
-if [ "$ZM_DOWN_PHP_VERSION" != "" ]; then
-  ZM_PHP_VERSION="$ZM_DOWN_PHP_VERSION"
-  echo "Using custom PHP version: $ZM_PHP_VERSION"
-fi
-
-mkdir "$(pwd)/runtime" >/dev/null 2>&1
-if [ ! -f "$(pwd)/runtime/php" ]; then
-  download_file "https://dl.zhamao.xin/php-bin/down.php?php_ver=$ZM_PHP_VERSION&arch=$(uname -m)" "$(pwd)/runtime/php.tar.gz"
-  if [ $? -ne 0 ]; then
-    exit 1
-  fi
-  tar -xf "$(pwd)/runtime/php.tar.gz" -C "$(pwd)/runtime/"
-fi
-if [ ! -f "$(pwd)/runtime/composer" ]; then
-  download_file "https://mirrors.aliyun.com/composer/composer.phar" "$(pwd)/runtime/composer.phar"
-  if [ $? -ne 0 ]; then
-    exit 1
-  fi
-  echo '$(dirname $0)/php $(dirname $0)/composer.phar $@' > $(pwd)/runtime/composer
-  chmod +x $(pwd)/runtime/composer
-  test_composer_and_php
-fi
-if [ $? -ne 0 ]; then
-    exit 1
-fi
-echo "成功下载！" && \
-  echo -e "PHP使用：\truntime/php -v" && \
-  echo -e "Composer使用：\truntime/composer"