From 25b421796947e49da4376211b3624d9e60f49b01 Mon Sep 17 00:00:00 2001
From: cysamurai <cy30225559@163.com>
Date: Wed, 20 May 2026 15:14:52 +0800
Subject: [PATCH] =?UTF-8?q?=E6=9B=B4=E6=96=B0=E4=BF=AE=E5=A4=8D?=
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---
 call-client/src-tauri/src/commands/update.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/call-client/src-tauri/src/commands/update.rs b/call-client/src-tauri/src/commands/update.rs
index a9f7062..4e3e17e 100644
--- a/call-client/src-tauri/src/commands/update.rs
+++ b/call-client/src-tauri/src/commands/update.rs
@@ -543,7 +543,7 @@ pub(crate) fn check_apt_update_internal(
             log_preview("检查更新: apt-cache policy stderr(非致命，仍可能解析 stdout)", &stderr, 2000);
         }
         let mut installed_version = extract_policy_value(&stdout, "Installed:");
-        let candidate_version = extract_policy_value(&stdout, "Candidate:");
+        let mut candidate_version = extract_policy_value(&stdout, "Candidate:");
 
         if installed_version == "(unknown)" {
             let dpkg_cmd = format!("dpkg-query -W -f=${{Version}} {}", package_name);