diff --git a/config-os-and-apps.sh b/config-os-and-apps.sh
index 3a29992..542b574 100644
--- a/config-os-and-apps.sh
+++ b/config-os-and-apps.sh
@@ -24,20 +24,28 @@ while getopts ":hb:" opt; do
 done
 
 # = clone 到 tmp/.config 并加载profile入口
-test -f "$HOME/.config/.bin/.Runtime/local.env.ini" && {
+# == 如果已安装过，则不再执行
+test -f "$HOME"/.config/.bin/.Runtime/SELF_MARK_AS_INSTALLED_FROM_SCRIPT && {
     echo "local.env.ini already exists, end the install. please remove it first if need re-install."
     exit 1
 }
-# = 移动原有配置
+# == 移走原有配置目录
 [ -d "/tmp/.config" ] && rm -rf /tmp/.config              # 如果存在, 删除 /tmp/.config
 [ -d "$HOME/.config" ] && mv "$HOME/.config" /tmp/.config # 移动原有 $HOME/.config 配置到 /tmp/.config
-
+# 克隆，如果失败则退出
 git clone --depth 1 --branch "$BRANCH" --single-branch https://gitea.yever.top/Hawkin/.config.git "$HOME"/.config
 test $? -ne 0 && {
     echo "git clone failed, please check your network."
     exit 1
 }
 
+# = 标记已安装
+test -d "$HOME"/.config/.bin/.Runtime || mkdir -p "$HOME"/.config/.bin/.Runtime
+cat >"$HOME"/.config/.bin/.Runtime/SELF_MARK_AS_INSTALLED_FROM_SCRIPT <<EOF
+此文件存在时自动跳过克隆安装, 在安装完成时创建.
+如果你想要重新安装, 请删除此文件——下次安装时会将当前配置仓库移动到备份目录（默认为~/.local/share/Origin_Config_Backup）.
+EOF
+
 echo "git clone success, init project by script itself..."
 
 # = 通过目标仓库的初始化脚本进行初始化