diff --git a/customer/usr/local/overrides/overrides-12.4.sh b/customer/usr/local/overrides/overrides-15.4.sh
similarity index 100%
rename from customer/usr/local/overrides/overrides-12.4.sh
rename to customer/usr/local/overrides/overrides-15.4.sh
diff --git a/customer/usr/sbin/create_user b/customer/usr/sbin/create_user
deleted file mode 100755
index 5d307b1..0000000
--- a/customer/usr/sbin/create_user
+++ /dev/null
@@ -1,12 +0,0 @@
-#!/bin/bash
-# Ver: 1.2 by Endial Fang (endial@126.com)
-#
-# shell 执行参数，分别为 -e(命令执行错误则退出脚本) -u(变量未定义则报错) -x(打印实际待执行的命令行)
-set -eux
-groupadd --gid 1001 --system ${APP_USER}
-useradd --gid 1001 --uid 1001 --shell /bin/bash --home /srv/data/${APP_NAME} --system ${APP_USER}
-#useradd --gid 1001 --uid 1001 --shell /usr/sbin/nologin --home /srv/data/${APP_NAME} --system ${APP_USER}
-
-# 如果需要 sudo 权限，需要在 Dockerfile 中安装 su 软件包：RUN install_pkg sudo 
-#sed -i -e 's/^\sDefaults\s*secure_path\s*=/# Defaults secure_path=/' /etc/sudoers
-#echo "${APP_USER} ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers
diff --git a/customer/usr/sbin/prepare_env b/customer/usr/sbin/prepare_env
deleted file mode 100755
index 2f346d2..0000000
--- a/customer/usr/sbin/prepare_env
+++ /dev/null
@@ -1,17 +0,0 @@
-#!/bin/bash
-# Ver: 1.3 by Endial Fang (endial@126.com)
-#
-# shell 执行参数，分别为 -e(命令执行错误则退出脚本) -u(变量未定义则报错) -x(打印实际待执行的命令行)
-set -eux
-
-APP_DIRS=" \
-	/srv/conf/${APP_NAME} \
-	/srv/data/${APP_NAME} \
-	/srv/datalog/${APP_NAME} \
-	/var/cache/${APP_NAME} \
-	/var/run/${APP_NAME} \
-	/var/log/${APP_NAME} \
-	/srv/cert/${APP_NAME}"
-
-mkdir -p ${APP_DIRS}
-chmod -R g+rwX ${APP_DIRS} /usr/local/${APP_NAME}