diff --git a/Changelog.md b/Changelog.md
index cb6c81af5..52d83aa52 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -10,6 +10,7 @@
 - 修复系统代理关闭后在 PAC 模式下未完全关闭
 - 修复 macOS 开关代理时可能的卡死
 - 修复修改定时自动更新后记时未及时刷新
+- 修复 Linux 关闭 TUN 不立即生效
 
 ### ✨ 新增功能
 
diff --git a/src-tauri/src/feat/config.rs b/src-tauri/src/feat/config.rs
index 6847e1ba7..74946d855 100644
--- a/src-tauri/src/feat/config.rs
+++ b/src-tauri/src/feat/config.rs
@@ -135,6 +135,7 @@ fn determine_update_flags(patch: &IVerge) -> UpdateFlags {
     #[cfg(target_os = "linux")]
     {
         restart_core_needed |= tproxy_enabled.is_some() || tproxy_port.is_some();
+        restart_core_needed |= tun_mode == Some(true);
     }
 
     let mut update_flags = UpdateFlags::empty();