diff --git a/.chezmoiscripts/run_onchange_before_linux-install-packages.sh.tmpl b/.chezmoiscripts/run_onchange_before_linux-install-packages.sh.tmpl
index dddb2b3..fab90a6 100644
--- a/.chezmoiscripts/run_onchange_before_linux-install-packages.sh.tmpl
+++ b/.chezmoiscripts/run_onchange_before_linux-install-packages.sh.tmpl
@@ -1,5 +1,6 @@
 {{ if eq .chezmoi.os "linux" -}}
 {{/* ---- 安裝腳本 ------------------------------------------------------- */ -}}
+#!/bin/bash
 
 {{/* ==== Debian ======================================================== */ -}}
 {{ if eq .chezmoi.osRelease.id "debian" -}}