From 77fa721119485abd575d41be81409c2d73bf46d7 Mon Sep 17 00:00:00 2001
From: Tunglies <tunglies.dev@outlook.com>
Date: Mon, 23 Mar 2026 16:03:20 +0800
Subject: [PATCH] fix(sysproxy): fully clear PAC when disabling system proxy
 (#6591)

---
 Changelog.md                 | 2 ++
 src-tauri/src/core/sysopt.rs | 5 +++--
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/Changelog.md b/Changelog.md
index 257260cad..90490c0d7 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -5,6 +5,8 @@
 
 ### 🐞 修复问题
 
+- 修复系统代理关闭后在 PAC 模式下未完全关闭
+
 ### ✨ 新增功能
 
 ### 🚀 优化改进
diff --git a/src-tauri/src/core/sysopt.rs b/src-tauri/src/core/sysopt.rs
index b0429cd06..32e42fa40 100644
--- a/src-tauri/src/core/sysopt.rs
+++ b/src-tauri/src/core/sysopt.rs
@@ -157,8 +157,9 @@ impl Sysopt {
 
         self.access_guard().write().set_guard_type(GuardType::None);
 
-        if !sys_enable && !pac_enable {
-            // disable proxy
+        // `enable_system_proxy` is the master switch.
+        // When disabled, force clear both global proxy and PAC at OS level.
+        if !sys_enable {
             sys.set_system_proxy()?;
             auto.set_auto_proxy()?;
             return Ok(());