diff --git a/backups/daemonset+cronjob/cm-script.yaml b/backups/daemonset+cronjob/cm-script.yaml
index dc9071a..cd24b4e 100644
--- a/backups/daemonset+cronjob/cm-script.yaml
+++ b/backups/daemonset+cronjob/cm-script.yaml
@@ -53,20 +53,30 @@ data:
       DIR_NAME=$(basename "$dir")
       TIMESTAMP=$(date +%Y-%m-%d-%H-%M-%S)
       BACKUP_NAME="backup-${DIR_NAME}-${TIMESTAMP}.tar.gz"
-      TEMP_DIR="/tmp/data/${TIMESTAMP}/"
       BACKUP_PATH="/tmp/${BACKUP_NAME}"
       SOURCE_SIZE=$(du -sh /data/local-csi | cut -f1)
       
       echo "正在备份目录: $dir"
 
-      mkdir -p "$TEMP_DIR/$DIR_NAME"
-      rsync -a "/data/local-csi/$DIR_NAME/" "$TEMP_DIR/$DIR_NAME/"
-      # 创建备份压缩包
-      # tar -czf "$BACKUP_PATH" -C "/data/local-csi" "$DIR_NAME"
-      tar -czf "$BACKUP_PATH" -C "$TEMP_DIR" "$DIR_NAME"
+      if [[ "$DIR_NAME" == *"pg"* ]] && [ -d "/data/local-csi/$DIR_NAME/pg_wal" ]; then
+        echo "检测到 PostgreSQL 数据目录，使用特殊处理..."
 
-      # 清理临时目录
-      rm -rf "$TEMP_DIR"
+        TEMP_DIR="/tmp/data/${TIMESTAMP}/"
+
+        mkdir -p "$TEMP_DIR/$DIR_NAME"
+        rsync -a "/data/local-csi/$DIR_NAME/" "$TEMP_DIR/$DIR_NAME/"
+        # 创建备份压缩包
+        tar -czf "$BACKUP_PATH" -C "$TEMP_DIR" "$DIR_NAME"
+
+        # 清理临时目录
+        rm -rf "$TEMP_DIR"
+      else
+        # tar -czf "$BACKUP_PATH" -C "/data/local-csi" "$DIR_NAME"
+        # 普通目录使用标准备份，但忽略文件变更警告
+        tar --warning=no-file-changed -czf "$BACKUP_PATH" -C "/data/local-csi" "$DIR_NAME" || {
+          echo "备份 $DIR_NAME 时出现警告，继续处理..."
+        }
+      fi
       
       # 计算上传路径
       BACKUP_TARGET_PATH="s3://${S3_BUCKET}/${S3_SUBPATH}/${HOSTNAME}/${DIR_NAME}/"