diff --git a/package.json b/package.json
index 74c37cc8..c321ee4d 100644
--- a/package.json
+++ b/package.json
@@ -3,7 +3,7 @@
   "version": "2.0.4-alpha",
   "license": "GPL-3.0-only",
   "scripts": {
-    "dev": "cross-env RUST_BACKTRACE=1 tauri dev",
+    "dev": "cross-env RUST_BACKTRACE=1 tauri dev --features verge-dev",
     "dev:diff": "cross-env RUST_BACKTRACE=1 tauri dev -f verge-dev",
     "build": "cross-env NODE_OPTIONS='--max-old-space-size=4096' tauri build",
     "tauri": "tauri",
diff --git a/src-tauri/src/core/core.rs b/src-tauri/src/core/core.rs
index 4b0d4162..f1ed12f6 100644
--- a/src-tauri/src/core/core.rs
+++ b/src-tauri/src/core/core.rs
@@ -10,10 +10,14 @@ use std::{sync::Arc, time::Duration};
 use tauri_plugin_shell::ShellExt;
 use tokio::sync::Mutex;
 use tokio::time::sleep;
+use super::process_lock::ProcessLock;
+use super::health_check::HealthChecker;
 
 #[derive(Debug)]
 pub struct CoreManager {
     running: Arc<Mutex<bool>>,
+    process_lock: Arc<Mutex<Option<ProcessLock>>>,
+    health_checker: HealthChecker,
 }
 
 impl CoreManager {
@@ -21,11 +25,19 @@ impl CoreManager {
         static CORE_MANAGER: OnceCell<CoreManager> = OnceCell::new();
         CORE_MANAGER.get_or_init(|| CoreManager {
             running: Arc::new(Mutex::new(false)),
+            process_lock: Arc::new(Mutex::new(None)),
+            health_checker: HealthChecker::new(),
         })
     }
 
     pub async fn init(&self) -> Result<()> {
         log::trace!("run core start");
+        
+        // 初始化进程锁
+        let process_lock = ProcessLock::new()?;
+        process_lock.acquire()?;
+        *self.process_lock.lock().await = Some(process_lock);
+
         // 启动clash
         log_err!(Self::global().start_core().await);
         log::trace!("run core end");
@@ -56,37 +68,38 @@ impl CoreManager {
 
     /// 停止核心运行
     pub async fn stop_core(&self) -> Result<()> {
-        let mut running = self.running.lock().await;
-
-        if !*running {
-            log::debug!("core is not running");
-            return Ok(());
-        }
+        log::info!(target: "app", "Stopping core");
 
         // 关闭tun模式
         let mut disable = Mapping::new();
         let mut tun = Mapping::new();
         tun.insert("enable".into(), false.into());
         disable.insert("tun".into(), tun.into());
-        log::debug!(target: "app", "disable tun mode");
-        log_err!(clash_api::patch_configs(&disable).await);
+        log::debug!(target: "app", "Disabling TUN mode");
+        let _ = clash_api::patch_configs(&disable).await;
 
-        // 服务模式
-        if service::check_service().await.is_ok() {
-            log::info!(target: "app", "stop the core by service");
-            service::stop_core_by_service().await?;
+        // 直接尝试停止服务，不预先检查状态
+        log::info!(target: "app", "Attempting to stop service");
+        let _ = service::stop_core_by_service().await;
+
+        // 设置运行状态
+        *self.running.lock().await = false;
+
+        // 释放进程锁
+        let mut process_lock = self.process_lock.lock().await;
+        if let Some(lock) = process_lock.take() {
+            log::info!(target: "app", "Releasing process lock");
+            let _ = lock.release();
         }
-        *running = false;
+
+        log::info!(target: "app", "Core stopped successfully");
         Ok(())
     }
 
     /// 启动核心
     pub async fn start_core(&self) -> Result<()> {
-        let mut running = self.running.lock().await;
-        if *running {
-            log::info!("core is running");
-            return Ok(());
-        }
+        // 检查端口占用
+        self.health_checker.check_ports().await?;
 
         let config_path = Config::generate_file(ConfigType::Run)?;
 
@@ -95,12 +108,23 @@ impl CoreManager {
             log::info!(target: "app", "try to run core in service mode");
             service::run_core_by_service(&config_path).await?;
         }
+
+        // 启动健康检查
+        let checker = Arc::new(self.health_checker.clone());
+        tokio::spawn(async move {
+            loop {
+                sleep(Duration::from_secs(30)).await;
+                if let Err(e) = checker.check_service_health().await {
+                    log::error!(target: "app", "Health check failed: {}", e);
+                }
+            }
+        });
+
         // 流量订阅
         #[cfg(target_os = "macos")]
         log_err!(Tray::global().subscribe_traffic().await);
 
-        *running = true;
-
+        *self.running.lock().await = true;
         Ok(())
     }
 
diff --git a/src-tauri/src/core/health_check.rs b/src-tauri/src/core/health_check.rs
new file mode 100644
index 00000000..9eac439e
--- /dev/null
+++ b/src-tauri/src/core/health_check.rs
@@ -0,0 +1,53 @@
+use anyhow::{bail, Result};
+use sysinfo::{Pid, System};
+use crate::config::Config;
+use crate::core::service;
+use port_scanner::local_port_available;
+
+#[derive(Debug, Clone)]
+pub struct HealthChecker;
+
+impl HealthChecker {
+    pub fn new() -> Self {
+        Self
+    }
+
+    pub async fn check_ports(&self) -> Result<()> {
+        let verge = Config::verge();
+        let verge_config = verge.latest();
+        let mixed_port = verge_config.verge_mixed_port.unwrap_or(7897);
+        let socks_port = verge_config.verge_socks_port.unwrap_or(7890);
+        let http_port = verge_config.verge_port.unwrap_or(7891);
+
+        if !local_port_available(mixed_port) {
+            bail!("Mixed port {} is already in use", mixed_port);
+        }
+
+        if verge_config.verge_socks_enabled.unwrap_or(true) && !local_port_available(socks_port) {
+            bail!("Socks port {} is already in use", socks_port);
+        }
+
+        if verge_config.verge_http_enabled.unwrap_or(true) && !local_port_available(http_port) {
+            bail!("Http port {} is already in use", http_port);
+        }
+
+        Ok(())
+    }
+
+    pub async fn check_service_health(&self) -> Result<()> {
+        if let Ok(response) = service::check_service().await {
+            if let Some(body) = response.data {
+                let sys = System::new_all();
+                if let Ok(pid) = body.bin_path.parse::<u32>() {
+                    if let Some(process) = sys.process(Pid::from(pid as usize)) {
+                        if !process.name().to_string_lossy().contains("mihomo") {
+                            log::warn!(target: "app", "Found non-mihomo process using service port");
+                            return Ok(());
+                        }
+                    }
+                }
+            }
+        }
+        Ok(())
+    }
+} 
\ No newline at end of file
diff --git a/src-tauri/src/core/mod.rs b/src-tauri/src/core/mod.rs
index 098052b9..7f00e3a7 100644
--- a/src-tauri/src/core/mod.rs
+++ b/src-tauri/src/core/mod.rs
@@ -9,5 +9,6 @@ pub mod sysopt;
 pub mod timer;
 pub mod tray;
 pub mod win_uwp;
-
+pub mod process_lock;
+pub mod health_check;
 pub use self::core::*;
diff --git a/src-tauri/src/core/process_lock.rs b/src-tauri/src/core/process_lock.rs
new file mode 100644
index 00000000..8d703867
--- /dev/null
+++ b/src-tauri/src/core/process_lock.rs
@@ -0,0 +1,191 @@
+use anyhow::{bail, Result};
+use std::fs;
+use std::path::PathBuf;
+use sysinfo::{Pid, System, Signal};
+use crate::utils::dirs;
+use std::time::Duration;
+
+const TERM_WAIT: Duration = Duration::from_millis(500);
+const KILL_WAIT: Duration = Duration::from_millis(500);
+const FINAL_WAIT: Duration = Duration::from_millis(1000);
+
+#[derive(Debug)]
+pub struct ProcessLock {
+    pid_file: PathBuf,
+}
+
+impl ProcessLock {
+    pub fn new() -> Result<Self> {
+        let pid_file = dirs::app_home_dir()?.join("mihomo.pid");
+        println!("Creating ProcessLock with PID file: {:?}", pid_file);
+        log::info!(target: "app", "Creating ProcessLock with PID file: {:?}", pid_file);
+        Ok(Self { pid_file })
+    }
+
+    fn is_target_process(process_name: &str) -> bool {
+        (process_name.contains("mihomo") || process_name.contains("clash")) 
+            && !process_name.contains("clash-verge") 
+            && !process_name.contains("clash.meta")
+    }
+
+    fn kill_process(pid: Pid, process: &sysinfo::Process) -> bool {
+        let process_name = process.name().to_string_lossy().to_lowercase();
+        let process_pid = pid.as_u32();
+        
+        println!("Terminating clash core process (PID: {}, Name: {})", process_pid, process_name);
+        log::info!(target: "app", "Terminating clash core process (PID: {}, Name: {})", process_pid, process_name);
+        
+        // 首先尝试正常终止
+        #[cfg(not(target_os = "windows"))]
+        {
+            println!("Sending SIGTERM to process {}", process_pid);
+            log::info!(target: "app", "Sending SIGTERM to process {}", process_pid);
+            let _ = process.kill_with(Signal::Term);
+        }
+        #[cfg(target_os = "windows")]
+        {
+            println!("Killing process {}", process_pid);
+            log::info!(target: "app", "Killing process {}", process_pid);
+            process.kill();
+        }
+        
+        std::thread::sleep(TERM_WAIT);
+        
+        // 检查进程是否还在运行
+        let mut new_sys = System::new();
+        new_sys.refresh_all();
+        if let Some(p) = new_sys.process(pid) {
+            println!("Process {} still running, trying force kill", process_pid);
+            log::info!(target: "app", "Process {} still running, trying force kill", process_pid);
+            
+            #[cfg(not(target_os = "windows"))]
+            {
+                println!("Sending SIGKILL to process {}", process_pid);
+                log::info!(target: "app", "Sending SIGKILL to process {}", process_pid);
+                let _ = p.kill_with(Signal::Kill);
+            }
+            #[cfg(target_os = "windows")]
+            {
+                println!("Force killing process {}", process_pid);
+                log::info!(target: "app", "Force killing process {}", process_pid);
+                p.kill();
+            }
+            
+            std::thread::sleep(KILL_WAIT);
+            
+            // 再次检查进程是否存在
+            new_sys.refresh_all();
+            if new_sys.process(pid).is_some() {
+                println!("Failed to terminate process {}", process_pid);
+                log::error!(target: "app", "Failed to terminate process {}", process_pid);
+                return false;
+            }
+        }
+        
+        println!("Process {} has been terminated", process_pid);
+        log::info!(target: "app", "Process {} has been terminated", process_pid);
+        true
+    }
+
+    fn kill_other_processes(include_current: bool) -> Result<()> {
+        println!("Starting process cleanup (include_current: {})", include_current);
+        log::info!(target: "app", "Starting process cleanup (include_current: {})", include_current);
+        
+        let mut sys = System::new();
+        sys.refresh_all();
+        
+        let current_pid = std::process::id();
+        println!("Current process ID: {}", current_pid);
+        log::info!(target: "app", "Current process ID: {}", current_pid);
+        
+        let mut killed = false;
+        let mut failed_kills = Vec::new();
+        
+        for (pid, process) in sys.processes() {
+            let process_name = process.name().to_string_lossy().to_lowercase();
+            
+            if Self::is_target_process(&process_name) {
+                let process_pid = pid.as_u32();
+                if include_current || process_pid != current_pid {
+                    if !Self::kill_process(*pid, process) {
+                        failed_kills.push((process_pid, process_name.clone()));
+                    }
+                    killed = true;
+                }
+            }
+        }
+        
+        if killed {
+            std::thread::sleep(FINAL_WAIT);
+            
+            // 最终检查
+            let mut final_sys = System::new();
+            final_sys.refresh_all();
+            
+            let remaining: Vec<_> = final_sys.processes()
+                .iter()
+                .filter(|(_, process)| {
+                    let name = process.name().to_string_lossy().to_lowercase();
+                    Self::is_target_process(&name)
+                })
+                .map(|(pid, process)| {
+                    (pid.as_u32(), process.name().to_string_lossy().to_string())
+                })
+                .collect();
+            
+            if !remaining.is_empty() {
+                log::error!(target: "app", "Failed to terminate some processes: {:?}", remaining);
+                bail!("Failed to terminate processes: {:?}", remaining);
+            }
+        }
+        
+        println!("Process cleanup completed");
+        log::info!(target: "app", "Process cleanup completed");
+        Ok(())
+    }
+
+    pub fn acquire(&self) -> Result<()> {
+        println!("Attempting to acquire process lock");
+        log::info!(target: "app", "Attempting to acquire process lock");
+        
+        // 首先尝试终止其他进程
+        Self::kill_other_processes(false)?;
+
+        if self.pid_file.exists() {
+            fs::remove_file(&self.pid_file)?;
+        }
+
+        fs::write(&self.pid_file, std::process::id().to_string())?;
+        println!("Process lock acquired successfully");
+        log::info!(target: "app", "Process lock acquired successfully");
+        Ok(())
+    }
+
+    pub fn release(&self) -> Result<()> {
+        println!("Starting release process");
+        log::info!(target: "app", "Starting release process");
+        
+        Self::kill_other_processes(true)?;
+        
+        if self.pid_file.exists() {
+            println!("Removing PID file");
+            log::info!(target: "app", "Removing PID file");
+            fs::remove_file(&self.pid_file)?;
+        }
+        
+        println!("Release process completed");
+        log::info!(target: "app", "Release process completed");
+        Ok(())
+    }
+}
+
+impl Drop for ProcessLock {
+    fn drop(&mut self) {
+        // 只在 PID 文件还存在时执行释放
+        if self.pid_file.exists() {
+            println!("ProcessLock being dropped");
+            log::info!(target: "app", "ProcessLock being dropped");
+            let _ = self.release();
+        }
+    }
+}
\ No newline at end of file
diff --git a/src-tauri/src/core/service.rs b/src-tauri/src/core/service.rs
index d4d5a93a..50b91fab 100644
--- a/src-tauri/src/core/service.rs
+++ b/src-tauri/src/core/service.rs
@@ -161,20 +161,49 @@ pub async fn reinstall_service() -> Result<()> {
 
 /// check the windows service status
 pub async fn check_service() -> Result<JsonResponse> {
+    log::info!(target: "app", "Checking service status");
+    println!("Checking service status");
+    
     let url = format!("{SERVICE_URL}/get_clash");
-    let response = reqwest::ClientBuilder::new()
+    log::debug!(target: "app", "Sending request to {}", url);
+    println!("Sending request to {}", url);
+    
+    let client = reqwest::ClientBuilder::new()
         .no_proxy()
         .timeout(Duration::from_secs(3))
-        .build()?
-        .get(url)
-        .send()
-        .await
-        .context("failed to connect to the Clash Verge Service")?
-        .json::<JsonResponse>()
-        .await
-        .context("failed to parse the Clash Verge Service response")?;
-
-    Ok(response)
+        .build()?;
+    
+    // 重试3次
+    for i in 0..3 {
+        match client.get(&url).send().await {
+            Ok(resp) => {
+                match resp.json::<JsonResponse>().await {
+                    Ok(json) => {
+                        log::info!(target: "app", "Service check response: {:?}", json);
+                        println!("Service check response: {:?}", json);
+                        return Ok(json);
+                    }
+                    Err(e) => {
+                        log::error!(target: "app", "Failed to parse service response (attempt {}): {}", i + 1, e);
+                        println!("Failed to parse service response (attempt {}): {}", i + 1, e);
+                        if i == 2 {
+                            return Err(e.into());
+                        }
+                    }
+                }
+            }
+            Err(e) => {
+                log::error!(target: "app", "Failed to connect to service (attempt {}): {}", i + 1, e);
+                println!("Failed to connect to service (attempt {}): {}", i + 1, e);
+                if i == 2 {
+                    return Err(e.into());
+                }
+            }
+        }
+        tokio::time::sleep(Duration::from_millis(500)).await;
+    }
+    
+    bail!("Failed to check service after 3 attempts")
 }
 
 /// start the clash by service
@@ -219,14 +248,32 @@ pub(super) async fn run_core_by_service(config_file: &PathBuf) -> Result<()> {
 
 /// stop the clash by service
 pub(super) async fn stop_core_by_service() -> Result<()> {
+    log::info!(target: "app", "Attempting to stop core through service");
+    
     let url = format!("{SERVICE_URL}/stop_clash");
-    let _ = reqwest::ClientBuilder::new()
+    let client = reqwest::ClientBuilder::new()
         .no_proxy()
-        .build()?
-        .post(url)
-        .send()
-        .await
-        .context("failed to connect to the Clash Verge Service")?;
-
-    Ok(())
+        .timeout(Duration::from_secs(3))
+        .build()?;
+    
+    // 重试2次
+    for i in 0..2 {
+        match client.post(&url).send().await {
+            Ok(_) => {
+                log::info!(target: "app", "Successfully sent stop request to service");
+                // 等待服务停止
+                tokio::time::sleep(Duration::from_millis(500)).await;
+                return Ok(());
+            }
+            Err(e) => {
+                log::error!(target: "app", "Failed to send stop request (attempt {}): {}", i + 1, e);
+                if i == 1 {
+                    return Err(e.into());
+                }
+            }
+        }
+        tokio::time::sleep(Duration::from_millis(500)).await;
+    }
+    
+    bail!("Failed to stop service after 2 attempts")
 }
diff --git a/src-tauri/src/feat.rs b/src-tauri/src/feat.rs
index 7fee881b..b9a2e784 100644
--- a/src-tauri/src/feat.rs
+++ b/src-tauri/src/feat.rs
@@ -135,10 +135,36 @@ pub fn toggle_tun_mode() {
 }
 
 pub fn quit(code: Option<i32>) {
+    println!("Starting application quit process");
+    log::info!(target: "app", "Starting application quit process");
+    
     let app_handle = handle::Handle::global().app_handle().unwrap();
     handle::Handle::global().set_is_exiting();
-    resolve::resolve_reset();
-    log_err!(handle::Handle::global().get_window().unwrap().close());
+    
+    // 立即关闭窗口，让用户感知到退出开始
+    if let Some(window) = handle::Handle::global().get_window() {
+        let _ = window.close();
+    }
+    
+    // 后台执行所有清理工作
+    let app_handle_clone = app_handle.clone();
+    tauri::async_runtime::spawn(async move {
+        // 1. 发送停止内核指令
+        let _ = CoreManager::global().stop_core().await;
+        
+        // 2. 重置系统代理
+        resolve::resolve_reset();
+        
+        // 3. 保存窗口状态
+        let _ = app_handle_clone.save_window_state(StateFlags::default());
+        
+        println!("Cleanup tasks completed in background");
+        log::info!(target: "app", "Cleanup tasks completed in background");
+    });
+    
+    // 主线程立即退出
+    println!("Exiting application with code: {:?}", code);
+    log::info!(target: "app", "Exiting application with code: {:?}", code);
     app_handle.exit(code.unwrap_or(0));
 }
 
diff --git a/src-tauri/src/utils/init.rs b/src-tauri/src/utils/init.rs
index b46d1d0c..4d2f7690 100644
--- a/src-tauri/src/utils/init.rs
+++ b/src-tauri/src/utils/init.rs
@@ -15,47 +15,67 @@ use tauri_plugin_shell::ShellExt;
 
 /// initialize this instance's log file
 fn init_log() -> Result<()> {
+    println!("Starting log initialization...");
+
     let log_dir = dirs::app_logs_dir()?;
     if !log_dir.exists() {
+        println!("Creating log directory: {:?}", log_dir);
         let _ = fs::create_dir_all(&log_dir);
     }
 
     let log_level = Config::verge().data().get_log_level();
+    println!("Current log level: {:?}", log_level);
+    
     if log_level == LevelFilter::Off {
+        println!("Logging is disabled");
         return Ok(());
     }
 
-    let local_time = Local::now().format("%Y-%m-%d-%H%M").to_string();
-    let log_file = format!("{}.log", local_time);
-    let log_file = log_dir.join(log_file);
-
     let log_pattern = match log_level {
         LevelFilter::Trace => "{d(%Y-%m-%d %H:%M:%S)} {l} [{M}] - {m}{n}",
         _ => "{d(%Y-%m-%d %H:%M:%S)} {l} - {m}{n}",
     };
 
     let encode = Box::new(PatternEncoder::new(log_pattern));
-
     let stdout = ConsoleAppender::builder().encoder(encode.clone()).build();
+
+    let local_time = Local::now().format("%Y-%m-%d-%H%M").to_string();
+    let log_file = format!("{}.log", local_time);
+    let log_file = log_dir.join(log_file);
+    println!("Log file path: {:?}", log_file);
+    
     let tofile = FileAppender::builder().encoder(encode).build(log_file)?;
 
     let mut logger_builder = Logger::builder();
     let mut root_builder = Root::builder();
 
     let log_more = log_level == LevelFilter::Trace || log_level == LevelFilter::Debug;
-
-    logger_builder = logger_builder.appenders(["file"]);
+    logger_builder = logger_builder.appenders(["stdout", "file"]);
+    root_builder = root_builder.appender("stdout");
     if log_more {
-        root_builder = root_builder.appenders(["file"]);
+        root_builder = root_builder.appender("file");
     }
 
-    let (config, _) = log4rs::config::Config::builder()
+    println!("Building log config...");
+    let config = log4rs::config::Config::builder()
         .appender(Appender::builder().build("stdout", Box::new(stdout)))
         .appender(Appender::builder().build("file", Box::new(tofile)))
         .logger(logger_builder.additive(false).build("app", log_level))
-        .build_lossy(root_builder.build(log_level));
+        .build(root_builder.build(log_level))
+        .map_err(|e| anyhow::anyhow!("Failed to build log config: {}", e))?;
 
-    log4rs::init_config(config)?;
+    println!("Initializing log config...");
+    match log4rs::init_config(config) {
+        Ok(_) => println!("Log system initialized successfully"),
+        Err(e) => println!("Failed to initialize log system: {}", e),
+    }
+
+    // 测试日志系统
+    log::error!(target: "app", "Test error log message");
+    log::warn!(target: "app", "Test warning log message");
+    log::info!(target: "app", "Test info log message");
+    log::debug!(target: "app", "Test debug log message");
+    log::trace!(target: "app", "Test trace log message");
 
     Ok(())
 }