diff --git a/deploy/profile-scripts/db_daily_backup.py b/deploy/profile-scripts/db_daily_backup.py
index dfdff95e..02140660 100644
--- a/deploy/profile-scripts/db_daily_backup.py
+++ b/deploy/profile-scripts/db_daily_backup.py
@@ -13,11 +13,7 @@ import sqlite3, os, glob, gzip, shutil
 from datetime import datetime
 
 # ── 消息通道统一路由(broadcast/xmpp by delivery) ──
-try:
-    from messenger import install_stdio_hook as _msh
-    _msh()
-except Exception:
-    pass
+# 注：备份脚本不用 messenger hook（stdout 会被块化缓冲，导致备份进度卡住不输出）
 
 SRC = "/home/hmo/MoFin/data/mofin.db"
 DST_DIR = "/home/hmo/MoFin/data/backups/compressed"