diff --git a/src-tauri/src/core/handle.rs b/src-tauri/src/core/handle.rs
index ec590ba2..98ee2658 100644
--- a/src-tauri/src/core/handle.rs
+++ b/src-tauri/src/core/handle.rs
@@ -522,7 +522,7 @@ impl Handle {
 #[cfg(target_os = "macos")]
 impl Handle {
     pub fn set_activation_policy(&self, policy: tauri::ActivationPolicy) -> Result<(), String> {
-        let app_handle = self.app_handle();
+        let app_handle = Self::app_handle();
         if let Some(app_handle) = app_handle.as_ref() {
             app_handle
                 .set_activation_policy(policy)
diff --git a/src-tauri/src/core/sysopt.rs b/src-tauri/src/core/sysopt.rs
index 85e53a28..999dc90f 100644
--- a/src-tauri/src/core/sysopt.rs
+++ b/src-tauri/src/core/sysopt.rs
@@ -152,9 +152,7 @@ impl Sysopt {
             use anyhow::bail;
             use tauri_plugin_shell::ShellExt;
 
-            let app_handle = Handle::global()
-                .app_handle()
-                .ok_or_else(|| anyhow::anyhow!("App handle not available"))?;
+            let app_handle = Handle::app_handle();
 
             let binary_path = dirs::service_path()?;
             let sysproxy_exe = binary_path.with_file_name("sysproxy.exe");
@@ -227,9 +225,7 @@ impl Sysopt {
             use anyhow::bail;
             use tauri_plugin_shell::ShellExt;
 
-            let app_handle = Handle::global()
-                .app_handle()
-                .ok_or_else(|| anyhow::anyhow!("App handle not available"))?;
+            let app_handle = Handle::app_handle();
 
             let binary_path = dirs::service_path()?;
             let sysproxy_exe = binary_path.with_file_name("sysproxy.exe");
diff --git a/src-tauri/src/core/tray/mod.rs b/src-tauri/src/core/tray/mod.rs
index 7f72d09d..a1dcad3e 100644
--- a/src-tauri/src/core/tray/mod.rs
+++ b/src-tauri/src/core/tray/mod.rs
@@ -300,14 +300,8 @@ impl Tray {
 
     /// 更新托盘图标
     #[cfg(target_os = "macos")]
-    pub async fn update_icon(&self, _rate: Option<Rate>) -> Result<()> {
-        let app_handle = match handle::Handle::app_handle() {
-            Some(handle) => handle,
-            None => {
-                log::warn!(target: "app", "更新托盘图标失败: app_handle不存在");
-                return Ok(());
-            }
-        };
+    pub async fn update_icon(&self) -> Result<()> {
+        let app_handle = handle::Handle::app_handle();
 
         let tray = match app_handle.tray_by_id("main") {
             Some(tray) => tray,
diff --git a/src-tauri/src/lib.rs b/src-tauri/src/lib.rs
index da836d8e..ef7da217 100644
--- a/src-tauri/src/lib.rs
+++ b/src-tauri/src/lib.rs
@@ -20,8 +20,6 @@ use crate::{
 };
 use config::Config;
 use once_cell::sync::OnceCell;
-#[cfg(target_os = "macos")]
-use tauri::Manager;
 use tauri::{AppHandle, Manager};
 #[cfg(target_os = "macos")]
 use tauri_plugin_autostart::MacosLauncher;
@@ -388,7 +386,7 @@ pub fn run() {
                 has_visible_windows
             );
 
-            handle::Handle::global().init(app_handle.clone());
+            handle::Handle::global().init();
 
             if !has_visible_windows {
                 // 当没有可见窗口时，设置为 regular 模式并显示主窗口
diff --git a/src-tauri/src/utils/resolve/dns.rs b/src-tauri/src/utils/resolve/dns.rs
index 5d906b4a..52b5fec5 100644
--- a/src-tauri/src/utils/resolve/dns.rs
+++ b/src-tauri/src/utils/resolve/dns.rs
@@ -2,13 +2,7 @@
 pub async fn set_public_dns(dns_server: String) {
     use crate::{core::handle, utils::dirs};
     use tauri_plugin_shell::ShellExt;
-    let app_handle = match handle::Handle::app_handle() {
-        Some(handle) => handle,
-        None => {
-            log::error!(target: "app", "app_handle not available for DNS configuration");
-            return;
-        }
-    };
+    let app_handle = handle::Handle::app_handle();
 
     log::info!(target: "app", "try to set system dns");
     let resource_dir = match dirs::app_resources_dir() {