From 7b805a17953cbe394a96df27dbbed45bd66bdb09 Mon Sep 17 00:00:00 2001
From: Awin Huang <awinhuang@gmail.com>
Date: Sun, 1 Feb 2026 23:27:21 +0800
Subject: [PATCH] Refine backup script

---
 backup_adguardhome.sh       |  35 ---------
 backup_docker.sh            |  74 ++++++++++++++++++
 backup_dotfiles_awin-pc2.sh |  18 -----
 backup_filebrowser.sh       |  35 ---------
 backup_freshrss.sh          |  35 ---------
 backup_gitea.sh             |  35 ---------
 backup_immich.sh            |  38 ---------
 backup_nextcloud.sh         |  35 ---------
 backup_pi.sh                |  13 ---
 check_nas_dir.sh            |  54 +++++++++++++
 newestN.sh                  | 152 ++++++++++++++++++++++++++++++++++++
 rsync_nasphoto.sh           |   6 +-
 12 files changed, 283 insertions(+), 247 deletions(-)
 delete mode 100755 backup_adguardhome.sh
 create mode 100755 backup_docker.sh
 delete mode 100755 backup_dotfiles_awin-pc2.sh
 delete mode 100755 backup_filebrowser.sh
 delete mode 100755 backup_freshrss.sh
 delete mode 100755 backup_gitea.sh
 delete mode 100755 backup_immich.sh
 delete mode 100755 backup_nextcloud.sh
 delete mode 100755 backup_pi.sh
 create mode 100755 check_nas_dir.sh
 create mode 100755 newestN.sh

diff --git a/backup_adguardhome.sh b/backup_adguardhome.sh
deleted file mode 100755
index c3238f2..0000000
--- a/backup_adguardhome.sh
+++ /dev/null
@@ -1,35 +0,0 @@
-#!/bin/sh
-
-DOCKER_DIR="/lvm1/docker"
-CONTAINER_NAME="adguardhome"
-CONTAINER_DIR="$DOCKER_DIR/$CONTAINER_NAME"
-SAVE_PATH="/media/backup/backup_docker/$CONTAINER_NAME/files"
-NOW_DATETIME="$(date +'%Y%m%d_%H%M%S')"
-BACKUP_FILENAME="backup_${CONTAINER_NAME}_$NOW_DATETIME.tar"
-BACKUP_FILE_PATH="$SAVE_PATH/$BACKUP_FILENAME"
-BACKUP_CMD="sudo tar cvf $BACKUP_FILENAME $CONTAINER_NAME"
-
-echo "DOCKER_DIR:       $DOCKER_DIR"
-echo "CONTAINER_DIR:    $CONTAINER_DIR"
-echo "SAVE_PATH:        $SAVE_PATH"
-echo "NOW_DATETIME:     $NOW_DATETIME"
-echo "BACKUP_FILENAME:  $BACKUP_FILENAME"
-echo "BACKUP_FILE_PATH: $BACKUP_FILE_PATH"
-echo "BACKUP_CMD:       $BACKUP_CMD"
-echo "$(date +'%F %R:%S'): Backup start. BACKUP_CMD = $BACKUP_CMD"
-
-mkdir -p $SAVE_PATH
-sudo docker compose -f ${CONTAINER_DIR}/docker-compose.yml down
-cd $DOCKER_DIR
-$BACKUP_CMD
-sudo docker compose -f ${CONTAINER_DIR}/docker-compose.yml up -d
-
-## Move BACKUP_FILENAME to BACKUP_FILE_PATH
-echo "rsync -ah --progress $BACKUP_FILENAME $SAVE_PATH"
-rsync -ah --progress $BACKUP_FILENAME $SAVE_PATH
-
-## Delete local backup file
-echo "rm $BACKUP_FILENAME"
-rm -f $BACKUP_FILENAME
-
-echo "$(date +'%F %R:%S'): Backup finished."
diff --git a/backup_docker.sh b/backup_docker.sh
new file mode 100755
index 0000000..0b52c6f
--- /dev/null
+++ b/backup_docker.sh
@@ -0,0 +1,74 @@
+#!/bin/sh
+
+# Check if container name is provided
+if [ -z "$1" ]; then
+    echo "Usage: $0 <container_name> [--exclude=<DIR_NAME>]"
+    echo "Example: $0 immich"
+    echo "Example: $0 immich --exclude=immich/nasphoto"
+    exit 1
+fi
+
+DOCKER_DIR="/DATA01/dockers"
+CONTAINER_NAME="$1"
+CONTAINER_DIR="$DOCKER_DIR/$CONTAINER_NAME"
+EXCLUDE_OPTION=""
+
+# Parse exclude option if provided
+if [ -n "$2" ]; then
+    case "$2" in
+        --exclude=*)
+            EXCLUDE_DIR="${2#--exclude=}"
+            EXCLUDE_OPTION="--exclude $EXCLUDE_DIR"
+            ;;
+        *)
+            echo "錯誤: 無效的參數: $2"
+            echo "Usage: $0 <container_name> [--exclude=<DIR_NAME>]"
+            exit 1
+            ;;
+    esac
+fi
+
+# Check if container directory exists
+if [ ! -d "$CONTAINER_DIR" ]; then
+    echo "錯誤: 容器目錄不存在: $CONTAINER_DIR"
+    echo "無法備份一個目錄不存在的 docker"
+    exit 1
+fi
+
+echo "$(date +'%F %R:%S'): Backup start."
+SAVE_PATH="/nas/Backup/backup_docker/$CONTAINER_NAME/files"
+NOW_DATETIME="$(date +'%Y%m%d_%H%M%S')"
+BACKUP_FILENAME="backup_${CONTAINER_NAME}_$NOW_DATETIME.tar"
+BACKUP_FILE_PATH="$SAVE_PATH/$BACKUP_FILENAME"
+BACKUP_CMD="sudo tar -cv $EXCLUDE_OPTION -f $BACKUP_FILENAME $CONTAINER_NAME"
+
+echo "DOCKER_DIR:       $DOCKER_DIR"
+echo "CONTAINER_DIR:    $CONTAINER_DIR"
+echo "SAVE_PATH:        $SAVE_PATH"
+echo "NOW_DATETIME:     $NOW_DATETIME"
+echo "BACKUP_FILENAME:  $BACKUP_FILENAME"
+echo "BACKUP_FILE_PATH: $BACKUP_FILE_PATH"
+echo "BACKUP_CMD:       $BACKUP_CMD"
+echo "$(date +'%F %R:%S'): Backup start. BACKUP_CMD = $BACKUP_CMD"
+echo pwd=$(pwd)
+
+mkdir -p $SAVE_PATH
+
+## Clean up old backups before creating new one, keep only the newest 4 files
+echo "$(date +'%F %R:%S'): Cleaning up old backups before backup..."
+/home/awin/scripts/newestN.sh -d="$SAVE_PATH" -n=4 --confirm=0
+
+sudo docker compose -f ${CONTAINER_DIR}/docker-compose.yml down
+cd $DOCKER_DIR
+$BACKUP_CMD
+sudo docker compose -f ${CONTAINER_DIR}/docker-compose.yml up -d
+
+## Move BACKUP_FILENAME to BACKUP_FILE_PATH
+echo "rsync -avh --progress $BACKUP_FILENAME $SAVE_PATH"
+rsync -ah --progress $BACKUP_FILENAME $SAVE_PATH
+
+## Delete local backup file
+echo "rm $BACKUP_FILENAME"
+rm -f $BACKUP_FILENAME
+
+echo "$(date +'%F %R:%S'): Backup finished."
diff --git a/backup_dotfiles_awin-pc2.sh b/backup_dotfiles_awin-pc2.sh
deleted file mode 100755
index e50a367..0000000
--- a/backup_dotfiles_awin-pc2.sh
+++ /dev/null
@@ -1,18 +0,0 @@
-#!/bin/bash
-
-BACKUP_FOLDER=/media/backup/backup_awin-pc2/dotfiles/
-BACKUP_ITEMS=(
-    '/home/awin/.bashrc'
-    '/home/awin/.config'
-    '/home/awin/.ssh'
-    '/home/awin/.vimrc'
-
-)
-
-for item in "${BACKUP_ITEMS[@]}"
-do
-    cp -r -p $item $BACKUP_FOLDER
-done
-
-
-
diff --git a/backup_filebrowser.sh b/backup_filebrowser.sh
deleted file mode 100755
index 7d840ec..0000000
--- a/backup_filebrowser.sh
+++ /dev/null
@@ -1,35 +0,0 @@
-#!/bin/sh
-
-DOCKER_DIR="/lvm1/docker"
-CONTAINER_NAME="filebrowser"
-CONTAINER_DIR="$DOCKER_DIR/$CONTAINER_NAME"
-SAVE_PATH="/media/backup/backup_docker/$CONTAINER_NAME/files"
-NOW_DATETIME="$(date +'%Y%m%d_%H%M%S')"
-BACKUP_FILENAME="backup_${CONTAINER_NAME}_$NOW_DATETIME.tar"
-BACKUP_FILE_PATH="$SAVE_PATH/$BACKUP_FILENAME"
-BACKUP_CMD="sudo tar cvf $BACKUP_FILENAME $CONTAINER_NAME"
-
-echo "DOCKER_DIR:       $DOCKER_DIR"
-echo "CONTAINER_DIR:    $CONTAINER_DIR"
-echo "SAVE_PATH:        $SAVE_PATH"
-echo "NOW_DATETIME:     $NOW_DATETIME"
-echo "BACKUP_FILENAME:  $BACKUP_FILENAME"
-echo "BACKUP_FILE_PATH: $BACKUP_FILE_PATH"
-echo "BACKUP_CMD:       $BACKUP_CMD"
-echo "$(date +'%F %R:%S'): Backup start. BACKUP_CMD = $BACKUP_CMD"
-
-mkdir -p $SAVE_PATH
-sudo docker compose -f ${CONTAINER_DIR}/docker-compose.yml down
-cd $DOCKER_DIR
-$BACKUP_CMD
-sudo docker compose -f ${CONTAINER_DIR}/docker-compose.yml up -d
-
-## Move BACKUP_FILENAME to BACKUP_FILE_PATH
-echo "rsync -ah --progress $BACKUP_FILENAME $SAVE_PATH"
-rsync -ah --progress $BACKUP_FILENAME $SAVE_PATH
-
-## Delete local backup file
-echo "rm $BACKUP_FILENAME"
-rm -f $BACKUP_FILENAME
-
-echo "$(date +'%F %R:%S'): Backup finished."
diff --git a/backup_freshrss.sh b/backup_freshrss.sh
deleted file mode 100755
index 54b3823..0000000
--- a/backup_freshrss.sh
+++ /dev/null
@@ -1,35 +0,0 @@
-#!/bin/sh
-
-DOCKER_DIR="/lvm1/docker"
-CONTAINER_NAME="freshrss"
-CONTAINER_DIR="$DOCKER_DIR/$CONTAINER_NAME"
-SAVE_PATH="/media/backup/backup_docker/$CONTAINER_NAME/files"
-NOW_DATETIME="$(date +'%Y%m%d_%H%M%S')"
-BACKUP_FILENAME="backup_${CONTAINER_NAME}_$NOW_DATETIME.tar"
-BACKUP_FILE_PATH="$SAVE_PATH/$BACKUP_FILENAME"
-BACKUP_CMD="sudo tar cvf $BACKUP_FILENAME $CONTAINER_NAME"
-
-echo "DOCKER_DIR:       $DOCKER_DIR"
-echo "CONTAINER_DIR:    $CONTAINER_DIR"
-echo "SAVE_PATH:        $SAVE_PATH"
-echo "NOW_DATETIME:     $NOW_DATETIME"
-echo "BACKUP_FILENAME:  $BACKUP_FILENAME"
-echo "BACKUP_FILE_PATH: $BACKUP_FILE_PATH"
-echo "BACKUP_CMD:       $BACKUP_CMD"
-echo "$(date +'%F %R:%S'): Backup start. BACKUP_CMD = $BACKUP_CMD"
-
-mkdir -p $SAVE_PATH
-sudo docker compose -f ${CONTAINER_DIR}/docker-compose.yml down
-cd $DOCKER_DIR
-$BACKUP_CMD
-sudo docker compose -f ${CONTAINER_DIR}/docker-compose.yml up -d
-
-## Move BACKUP_FILENAME to BACKUP_FILE_PATH
-echo "rsync -ah --progress $BACKUP_FILENAME $SAVE_PATH"
-rsync -ah --progress $BACKUP_FILENAME $SAVE_PATH
-
-## Delete local backup file
-echo "rm $BACKUP_FILENAME"
-rm -f $BACKUP_FILENAME
-
-echo "$(date +'%F %R:%S'): Backup finished."
diff --git a/backup_gitea.sh b/backup_gitea.sh
deleted file mode 100755
index d61d1f3..0000000
--- a/backup_gitea.sh
+++ /dev/null
@@ -1,35 +0,0 @@
-#!/bin/sh
-
-DOCKER_DIR="/lvm1/docker"
-CONTAINER_NAME="gitea"
-CONTAINER_DIR="$DOCKER_DIR/$CONTAINER_NAME"
-SAVE_PATH="/media/backup/backup_docker/$CONTAINER_NAME/files"
-NOW_DATETIME="$(date +'%Y%m%d_%H%M%S')"
-BACKUP_FILENAME="backup_${CONTAINER_NAME}_$NOW_DATETIME.tar"
-BACKUP_FILE_PATH="$SAVE_PATH/$BACKUP_FILENAME"
-BACKUP_CMD="sudo tar cvf $BACKUP_FILENAME $CONTAINER_NAME"
-
-echo "DOCKER_DIR:       $DOCKER_DIR"
-echo "CONTAINER_DIR:    $CONTAINER_DIR"
-echo "SAVE_PATH:        $SAVE_PATH"
-echo "NOW_DATETIME:     $NOW_DATETIME"
-echo "BACKUP_FILENAME:  $BACKUP_FILENAME"
-echo "BACKUP_FILE_PATH: $BACKUP_FILE_PATH"
-echo "BACKUP_CMD:       $BACKUP_CMD"
-echo "$(date +'%F %R:%S'): Backup start. BACKUP_CMD = $BACKUP_CMD"
-
-mkdir -p $SAVE_PATH
-sudo docker compose -f ${CONTAINER_DIR}/docker-compose.yml down
-cd $DOCKER_DIR
-$BACKUP_CMD
-sudo docker compose -f ${CONTAINER_DIR}/docker-compose.yml up -d
-
-## Move BACKUP_FILENAME to BACKUP_FILE_PATH
-echo "rsync -ah --progress $BACKUP_FILENAME $SAVE_PATH"
-rsync -ah --progress $BACKUP_FILENAME $SAVE_PATH
-
-## Delete local backup file
-echo "rm $BACKUP_FILENAME"
-rm -f $BACKUP_FILENAME
-
-echo "$(date +'%F %R:%S'): Backup finished."
diff --git a/backup_immich.sh b/backup_immich.sh
deleted file mode 100755
index 423a87b..0000000
--- a/backup_immich.sh
+++ /dev/null
@@ -1,38 +0,0 @@
-#!/bin/sh
-
-echo "$(date +'%F %R:%S'): Backup start."
-
-DOCKER_DIR="/lvm1/docker"
-CONTAINER_NAME="immich"
-CONTAINER_DIR="$DOCKER_DIR/$CONTAINER_NAME"
-SAVE_PATH="/media/backup/backup_docker/$CONTAINER_NAME/files"
-NOW_DATETIME="$(date +'%Y%m%d_%H%M%S')"
-BACKUP_FILENAME="backup_${CONTAINER_NAME}_$NOW_DATETIME.tar"
-BACKUP_FILE_PATH="$SAVE_PATH/$BACKUP_FILENAME"
-BACKUP_CMD="sudo tar -cv --exclude immich/nasphoto -f $BACKUP_FILENAME $CONTAINER_NAME"
-
-echo "DOCKER_DIR:       $DOCKER_DIR"
-echo "CONTAINER_DIR:    $CONTAINER_DIR"
-echo "SAVE_PATH:        $SAVE_PATH"
-echo "NOW_DATETIME:     $NOW_DATETIME"
-echo "BACKUP_FILENAME:  $BACKUP_FILENAME"
-echo "BACKUP_FILE_PATH: $BACKUP_FILE_PATH"
-echo "BACKUP_CMD:       $BACKUP_CMD"
-echo "$(date +'%F %R:%S'): Backup start. BACKUP_CMD = $BACKUP_CMD"
-echo pwd=$(pwd)
-
-mkdir -p $SAVE_PATH
-sudo docker compose -f ${CONTAINER_DIR}/docker-compose.yml down
-cd $DOCKER_DIR
-$BACKUP_CMD
-sudo docker compose -f ${CONTAINER_DIR}/docker-compose.yml up -d
-
-## Move BACKUP_FILENAME to BACKUP_FILE_PATH
-echo "rsync -avh --progress $BACKUP_FILENAME $SAVE_PATH"
-rsync -ah --progress $BACKUP_FILENAME $SAVE_PATH
-
-## Delete local backup file
-echo "rm $BACKUP_FILENAME"
-rm -f $BACKUP_FILENAME
-
-echo "$(date +'%F %R:%S'): Backup finished."
diff --git a/backup_nextcloud.sh b/backup_nextcloud.sh
deleted file mode 100755
index 86025fa..0000000
--- a/backup_nextcloud.sh
+++ /dev/null
@@ -1,35 +0,0 @@
-#!/bin/sh
-
-DOCKER_DIR="/lvm1/docker"
-CONTAINER_NAME="nextcloud"
-CONTAINER_DIR="$DOCKER_DIR/$CONTAINER_NAME"
-SAVE_PATH="/media/backup/backup_docker/$CONTAINER_NAME/files"
-NOW_DATETIME="$(date +'%Y%m%d_%H%M%S')"
-BACKUP_FILENAME="backup_${CONTAINER_NAME}_$NOW_DATETIME.tar"
-BACKUP_FILE_PATH="$SAVE_PATH/$BACKUP_FILENAME"
-BACKUP_CMD="sudo tar cvf $BACKUP_FILENAME $CONTAINER_NAME"
-
-echo "DOCKER_DIR:       $DOCKER_DIR"
-echo "CONTAINER_DIR:    $CONTAINER_DIR"
-echo "SAVE_PATH:        $SAVE_PATH"
-echo "NOW_DATETIME:     $NOW_DATETIME"
-echo "BACKUP_FILENAME:  $BACKUP_FILENAME"
-echo "BACKUP_FILE_PATH: $BACKUP_FILE_PATH"
-echo "BACKUP_CMD:       $BACKUP_CMD"
-echo "$(date +'%F %R:%S'): Backup start. BACKUP_CMD = $BACKUP_CMD"
-
-mkdir -p $SAVE_PATH
-sudo docker compose -f ${CONTAINER_DIR}/docker-compose.yml down
-cd $DOCKER_DIR
-$BACKUP_CMD
-sudo docker compose -f ${CONTAINER_DIR}/docker-compose.yml up -d
-
-## Move BACKUP_FILENAME to BACKUP_FILE_PATH
-echo "rsync -ah --progress $BACKUP_FILENAME $SAVE_PATH"
-rsync -ah --progress $BACKUP_FILENAME $SAVE_PATH
-
-## Delete local backup file
-echo "rm $BACKUP_FILENAME"
-rm -f $BACKUP_FILENAME
-
-echo "$(date +'%F %R:%S'): Backup finished."
diff --git a/backup_pi.sh b/backup_pi.sh
deleted file mode 100755
index 94c8c58..0000000
--- a/backup_pi.sh
+++ /dev/null
@@ -1,13 +0,0 @@
-#!/bin/sh
-
-NOW_DATETIME="$(date +'%Y%m%d_%H%M%S')"
-SAVE_FOLDER="/media/upload/pi_backup"
-SAVE_FILENAME="pi4_$NOW_DATETIME.img"
-CMD="sudo /home/awin/bin/image-utils/image-backup -i $SAVE_FOLDER/$SAVE_FILENAME"
-LOG_FILE="/home/awin/log/backup_pi4.log"
-
-mkdir -p $SAVE_FOLDER
-
-echo "$(date +'%F %R:%S'): Backup start. CMD = $CMD" > $LOG_FILE
-$CMD
-echo "$(date +'%F %R:%S'): Backup finished." >> $LOG_FILE
diff --git a/check_nas_dir.sh b/check_nas_dir.sh
new file mode 100755
index 0000000..e926a2b
--- /dev/null
+++ b/check_nas_dir.sh
@@ -0,0 +1,54 @@
+#!/bin/bash
+
+# 定義幫助訊息函數
+usage() {
+    echo "用法: sudo $0 <掛載路徑> <日誌檔案路徑>"
+    echo "範例: sudo $0 /nas/Backup /var/log/nas_check.log"
+    exit 1
+}
+
+# 檢查參數數量，如果少於 2 個則顯示 help
+if [ "$#" -ne 2 ]; then
+    usage
+fi
+
+MOUNT_PATH=$1
+LOG_FILE=$2
+
+# 確保 log 檔案的目錄存在
+LOG_DIR=$(dirname "$LOG_FILE")
+if [ ! -d "$LOG_DIR" ]; then
+    mkdir -p "$LOG_DIR"
+fi
+
+# 取得目前時間
+TIMESTAMP=$(date "+%Y-%m-%d %H:%M:%S")
+
+# --- 核心檢查邏輯 ---
+
+# 1. 檢查目錄是否為掛載點
+# 2. 檢查目錄是否可正常存取 (ls)，避免 Stale File Handle 或連線僵死
+if mountpoint -q "$MOUNT_PATH" && ls "$MOUNT_PATH" > /dev/null 2>&1; then
+    # 狀態正常
+    exit 0
+else
+    # 狀態異常，開始修復
+    echo "[$TIMESTAMP] 偵測到 $MOUNT_PATH 掛載異常，準備修復..." >> "$LOG_FILE"
+
+    # 嘗試強制卸載 (Lazy unmount)
+    # 使用 -l 可以即刻解除目錄占用，解決 "Device or resource busy"
+    umount -l "$MOUNT_PATH" > /dev/null 2>&1
+
+    # 重新掛載 (讀取 /etc/fstab 設定)
+    mount "$MOUNT_PATH" >> "$LOG_FILE" 2>&1
+
+    # 最終驗證
+    if mountpoint -q "$MOUNT_PATH" && ls "$MOUNT_PATH" > /dev/null 2>&1; then
+        echo "[$TIMESTAMP] $MOUNT_PATH 修復成功。" >> "$LOG_FILE"
+
+        # 這裡可以加入重啟 Docker 的通用邏輯 (選用)
+        # systemctl restart docker
+    else
+        echo "[$TIMESTAMP] 錯誤: 無法掛載 $MOUNT_PATH，請檢查網路或 NAS 狀態。" >> "$LOG_FILE"
+    fi
+fi
diff --git a/newestN.sh b/newestN.sh
new file mode 100755
index 0000000..4711701
--- /dev/null
+++ b/newestN.sh
@@ -0,0 +1,152 @@
+#!/bin/bash
+
+# 列出目錄內的所有檔案，只保留最新的n個檔案
+# 使用方法: newestN.sh -d=<目錄路徑> [-n=<保留數量>] [--confirm=<0|1>]
+
+# 預設值
+DIR=""
+KEEP_NUM=2
+CONFIRM=0
+
+# 顯示幫助訊息
+show_help() {
+    echo "用法: $0 -d=<目錄路徑> [-n=<保留數量>] [--confirm=<0|1>]"
+    echo ""
+    echo "參數說明:"
+    echo "  -d=<目錄路徑>      指定要處理的目錄 (必需)"
+    echo "  -n=<保留數量>      保留最新的檔案數量 (預設: 2)"
+    echo "  --confirm=<0|1>    是否需要使用者確認 (預設: 0)"
+    echo "                     0 = 不須確認，直接刪除"
+    echo "                     1 = 需要使用者確認"
+    echo ""
+    echo "範例:"
+    echo "  $0 -d=/backup/logs -n=5"
+    echo "  $0 -d=/backup/logs -n=3 --confirm=1"
+    exit 1
+}
+
+# 解析參數
+for arg in "$@"; do
+    case $arg in
+        -d=*)
+            DIR="${arg#*=}"
+            ;;
+        -n=*)
+            KEEP_NUM="${arg#*=}"
+            ;;
+        --confirm=*)
+            CONFIRM="${arg#*=}"
+            ;;
+        -h|--help)
+            show_help
+            ;;
+        *)
+            echo "錯誤: 未知的參數 '$arg'"
+            show_help
+            ;;
+    esac
+done
+
+# 檢查目錄參數是否提供
+if [ -z "$DIR" ]; then
+    echo "錯誤: 必須提供目錄路徑"
+    echo ""
+    show_help
+fi
+
+# 檢查目錄是否存在
+if [ ! -e "$DIR" ]; then
+    echo "錯誤: 路徑 '$DIR' 不存在"
+    echo ""
+    show_help
+fi
+
+# 檢查是否為目錄
+if [ ! -d "$DIR" ]; then
+    echo "錯誤: '$DIR' 不是一個目錄"
+    echo ""
+    show_help
+fi
+
+# 檢查保留數量是否為正整數
+if ! [[ "$KEEP_NUM" =~ ^[0-9]+$ ]] || [ "$KEEP_NUM" -lt 1 ]; then
+    echo "錯誤: 保留數量必須是正整數"
+    exit 1
+fi
+
+# 檢查 confirm 參數是否有效
+if [ "$CONFIRM" != "0" ] && [ "$CONFIRM" != "1" ]; then
+    echo "錯誤: --confirm 參數必須是 0 或 1"
+    exit 1
+fi
+
+echo "處理目錄: $DIR"
+echo "保留最新 $KEEP_NUM 個檔案"
+echo ""
+
+# 取得目錄中的所有檔案（不含子目錄），按修改時間排序（最新的在前）
+FILES=($(find "$DIR" -maxdepth 1 -type f -printf '%T@ %p\n' | sort -rn | cut -d' ' -f2-))
+
+# 檔案總數
+TOTAL=${#FILES[@]}
+
+if [ $TOTAL -eq 0 ]; then
+    echo "目錄中沒有檔案"
+    exit 0
+fi
+
+echo "目錄中共有 $TOTAL 個檔案"
+echo ""
+
+# 如果檔案數量小於或等於保留數量，不需要刪除
+if [ $TOTAL -le $KEEP_NUM ]; then
+    echo "檔案數量 ($TOTAL) 未超過保留數量 ($KEEP_NUM)，無需刪除"
+    exit 0
+fi
+
+# 計算要刪除的檔案數量
+DELETE_COUNT=$((TOTAL - KEEP_NUM))
+
+echo "即將刪除 $DELETE_COUNT 個舊檔案:"
+echo "----------------------------------------"
+
+# 列出即將被刪除的檔案
+TO_DELETE=("${FILES[@]:$KEEP_NUM}")
+for file in "${TO_DELETE[@]}"; do
+    # 顯示檔案名稱和修改時間
+    MOD_TIME=$(stat -c '%y' "$file" | cut -d'.' -f1)
+    echo "  $file (修改時間: $MOD_TIME)"
+done
+
+echo "----------------------------------------"
+echo ""
+
+# 如果需要確認
+if [ $CONFIRM -eq 1 ]; then
+    read -p "確定要刪除以上檔案嗎? (y/N): " response
+    case "$response" in
+        [yY][eE][sS]|[yY])
+            echo "開始刪除檔案..."
+            ;;
+        *)
+            echo "取消刪除操作"
+            exit 0
+            ;;
+    esac
+else
+    echo "開始刪除檔案..."
+fi
+
+# 刪除舊檔案
+DELETED=0
+for file in "${TO_DELETE[@]}"; do
+    if rm "$file" 2>/dev/null; then
+        echo "已刪除: $file"
+        DELETED=$((DELETED + 1))
+    else
+        echo "刪除失敗: $file"
+    fi
+done
+
+echo ""
+echo "完成! 共刪除 $DELETED 個檔案"
diff --git a/rsync_nasphoto.sh b/rsync_nasphoto.sh
index f3ec44a..09c30a5 100755
--- a/rsync_nasphoto.sh
+++ b/rsync_nasphoto.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 
-echo "$(date +'%F %R:%S'): Sync /media/nasphoto/ /lvm1/docker/immich/nasphoto start."
+echo "$(date +'%F %R:%S'): Sync /nas/photo/ /DATA01/dockers/immich/nasphoto start."
 
-rsync -avP --delete /media/nasphoto/ /lvm1/docker/immich/nasphoto
+rsync -avP --delete /nas/photo/ /DATA01/dockers/immich/nasphoto
 
-echo "$(date +'%F %R:%S'): Sync /media/nasphoto/ /lvm1/docker/immich/nasphoto finished."
+echo "$(date +'%F %R:%S'): Sync /nas/photo/ /DATA01/dockers/immich/nasphoto finished."