From 6108ee278db8594b6d462e795291a545e7c4d461 Mon Sep 17 00:00:00 2001
From: neonmike <1850319300@qq.com>
Date: Wed, 17 Sep 2025 08:40:35 -0400
Subject: [PATCH] Incorrect sudo permission judgment logic

Reason: command -v sudo only determines whether the command exists, not whether sudo is available.
---
 ref/upgrade_bash.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ref/upgrade_bash.sh b/ref/upgrade_bash.sh
index f3eaa32..c9ac575 100644
--- a/ref/upgrade_bash.sh
+++ b/ref/upgrade_bash.sh
@@ -24,7 +24,7 @@ upgrade_bash() {
     else
         if [ -f /etc/os-release ]; then
             . /etc/os-release
-            if [ $(id -u) -ne 0 ] && ! command -v sudo >/dev/null 2>&1; then
+            if [ $(id -u) -ne 0 ] && ! sudo -v >/dev/null 2>&1; then
                 echo "Error: You need sudo privileges to upgrade Bash."
                 exit 1
             fi