diff --git a/Tun/Punchnet/Actors/SDLContextActor.swift b/Tun/Punchnet/Actors/SDLContextActor.swift
index 89c298e..7b1b1e7 100644
--- a/Tun/Punchnet/Actors/SDLContextActor.swift
+++ b/Tun/Punchnet/Actors/SDLContextActor.swift
@@ -165,67 +165,7 @@ actor SDLContextActor {
         await self.startDnsLocalClient()
         
         await self.supervisor.addWorker(name: "quicClient") {
-            SDLLogger.log("[SDLContext] try start quicClient", for: .debug)
-            
-            self.quicWorker?.cancel()
-            await self.quicClient?.stop()
-            
-            // 启动monitor
-            let quicClient = SDLQUICClient(host: self.config.serverHost, port: 443)
-            self.quicClient = quicClient
-            
-            await quicClient.start()
-            
-            try await quicClient.waitReady(timeout: .seconds(3))
-            // 这里必须等待quic的协商完成
-            try await Task.sleep(for: .seconds(0.3))
-            SDLLogger.log("[SDLContext] start quic client: \(self.config.serverHost)")
-            
-            try await withThrowingTaskGroup { group in
-                defer {
-                    group.cancelAll()
-                }
-
-                group.addTask {
-                    for await message in await quicClient.messageStream {
-                        await self.handleQUICMessage(message: message)
-                    }
-                }
-
-                group.addTask {
-                    let exit = await quicClient.run()
-
-                    switch exit {
-                    case .normal:
-                        return
-                    case .cancelled:
-                        if Task.isCancelled {
-                            return
-                        }
-                        throw exit
-                    case .transportClosed, .readFailed, .writeFailed:
-                        throw exit
-                    }
-                }
-
-                group.addTask {
-                    for await event in await quicClient.eventStream {
-                        switch event {
-                        case .failed(let error):
-                            throw error
-                        case .cancelled:
-                            throw SDLQUICClientExit.cancelled
-                        case .writeFailed(let error):
-                            throw error
-                        }
-                    }
-                }
-
-                while let _ = try await group.next() {
-                    ()
-                }
-            }
-
+            try await self.startQUICClient()
         }
 
         await self.supervisor.addWorker(name: "udpHole") {
@@ -316,6 +256,78 @@ actor SDLContextActor {
         try await self.setNetworkSettings(config: config, dnsServer: DNSHelper.dnsServer)
     }
     
+    private func startQUICClient() async throws {
+        SDLLogger.log("[SDLContext] try start quicClient", for: .debug)
+        
+        self.quicWorker?.cancel()
+        await self.quicClient?.stop()
+        
+        // 启动monitor
+        let quicClient = SDLQUICClient(host: self.config.serverHost, port: 443)
+        self.quicClient = quicClient
+        
+        await quicClient.start()
+        
+        try await quicClient.waitReady(timeout: .seconds(3))
+        // 这里必须等待quic的协商完成
+        try await Task.sleep(for: .seconds(0.3))
+        SDLLogger.log("[SDLContext] start quic client: \(self.config.serverHost)")
+        
+        try await withTaskCancellationHandler{
+            try await withThrowingTaskGroup { group in
+                defer {
+                    group.cancelAll()
+                }
+                
+                group.addTask {
+                    for await message in await quicClient.messageStream {
+                        if Task.isCancelled {
+                            return
+                        }
+                        await self.handleQUICMessage(message: message)
+                    }
+                    throw SDLQUICClientExit.transportClosed("messageStream finished")
+                }
+                
+                group.addTask {
+                    let exit = await quicClient.run()
+                    
+                    switch exit {
+                    case .normal:
+                        return
+                    case .cancelled:
+                        if Task.isCancelled {
+                            return
+                        }
+                        throw exit
+                    case .transportClosed, .readFailed, .writeFailed:
+                        throw exit
+                    }
+                }
+                
+                group.addTask {
+                    for await event in await quicClient.eventStream {
+                        switch event {
+                        case .failed(let error):
+                            throw error
+                        case .cancelled:
+                            throw SDLQUICClientExit.cancelled
+                        case .writeFailed(let error):
+                            throw error
+                        }
+                    }
+                }
+                
+                let _ = try await group.next()
+            }
+            
+        } onCancel: {
+            Task {
+                await quicClient.stop()
+            }
+        }
+    }
+    
     private func handleQUICMessage(message: SDLQUICInboundMessage) async {
         switch message {
         case .welcome(let welcome):
diff --git a/Tun/Punchnet/Actors/SDLQuicClient.swift b/Tun/Punchnet/Actors/SDLQuicClient.swift
index d2881b4..58e5c17 100644
--- a/Tun/Punchnet/Actors/SDLQuicClient.swift
+++ b/Tun/Punchnet/Actors/SDLQuicClient.swift
@@ -79,7 +79,7 @@ actor SDLQUICClient {
         (self.messageStream, self.messageCont) = AsyncStream.makeStream(of: SDLQUICInboundMessage.self)
         (self.eventStream, self.eventCont) = AsyncStream.makeStream(of: SDLQUICEvent.self)
 
-        // TODO 这里设置证书的校验逻辑
+        // 这里设置证书的校验逻辑
         sec_protocol_options_set_verify_block(
             options.securityProtocolOptions,
             { metadata, trust, complete in
@@ -130,16 +130,16 @@ actor SDLQUICClient {
                 group.addTask {
                     await self.readLoop()
                 }
-
+                
                 group.addTask {
                     await self.heartbeatLoop()
                 }
-
+                
                 let exit = await group.next() ?? .normal
                 group.cancelAll()
                 await self.stop()
                 self.finishStreams()
-
+                
                 return exit
             }
         } onCancel: {
@@ -204,11 +204,7 @@ actor SDLQUICClient {
         self.messageCont.finish()
         self.eventCont.finish()
     }
-
-    deinit {
-        self.connection.cancel()
-        self.finishStreams()
-    }
+    
 }
 
 // --MARK: Ready状态机
@@ -233,7 +229,7 @@ extension SDLQUICClient {
                 if Task.isCancelled {
                     return
                 }
-                await self.cancelWaiter(id: id, throwing: SDLQUICError.timeout)
+                self.cancelWaiter(id: id, throwing: SDLQUICError.timeout)
             }
 
             defer {