diff --git a/Tun/PacketTunnelProvider.swift b/Tun/PacketTunnelProvider.swift
index 6c18ea9..8ea5ada 100644
--- a/Tun/PacketTunnelProvider.swift
+++ b/Tun/PacketTunnelProvider.swift
@@ -18,6 +18,7 @@ import Punchnet
 
 class PacketTunnelProvider: NEPacketTunnelProvider {
     var context: SDLContext?
+    private var rootTask: Task<Void, Error>?
     
     override func startTunnel(options: [String : NSObject]?, completionHandler: @escaping (Error?) -> Void) {
         // host: "192.168.0.101", port: 1265
@@ -66,24 +67,27 @@ class PacketTunnelProvider: NEPacketTunnelProvider {
         let rsaCipher = try! CCRSACipher(keySize: 1024)
         let aesChiper = CCAESChiper()
         
-        Task {
+        self.rootTask = Task {
             do {
                 self.context = SDLContext(provider: self, config: config, rsaCipher: rsaCipher, aesCipher: aesChiper, logger: SDLLogger(level: .debug))
                 try await self.context?.start()
-                completionHandler(nil)
             } catch let err {
-                completionHandler(err)
+                NSLog("[PacketTunnelProvider] exit with error: \(err)")
+                exit(-1)
             }
         }
-        
+        completionHandler(nil)
     }
     
     override func stopTunnel(with reason: NEProviderStopReason, completionHandler: @escaping () -> Void) {
         // Add code here to start the process of stopping the tunnel.
+        self.rootTask?.cancel()
         Task {
             await self.context?.stop()
-            self.context = nil
         }
+        self.context = nil
+        self.rootTask = nil
+        
         completionHandler()
     }
     
diff --git a/punchnet.xcodeproj/project.pbxproj b/punchnet.xcodeproj/project.pbxproj
index da85d57..94162eb 100644
--- a/punchnet.xcodeproj/project.pbxproj
+++ b/punchnet.xcodeproj/project.pbxproj
@@ -562,7 +562,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.jihe.punchnet;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE_SPECIFIER = "";
-				"PROVISIONING_PROFILE_SPECIFIER[sdk=macosx*]" = jihe_punchnet_macos;
+				"PROVISIONING_PROFILE_SPECIFIER[sdk=macosx*]" = MacPunchnet;
 				SWIFT_EMIT_LOC_STRINGS = YES;
 				SWIFT_VERSION = 5.0;
 			};
@@ -594,7 +594,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.jihe.punchnet;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE_SPECIFIER = "";
-				"PROVISIONING_PROFILE_SPECIFIER[sdk=macosx*]" = jihe_punchnet_macos;
+				"PROVISIONING_PROFILE_SPECIFIER[sdk=macosx*]" = MacPunchnet;
 				SWIFT_EMIT_LOC_STRINGS = YES;
 				SWIFT_VERSION = 5.0;
 			};
@@ -674,6 +674,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				CODE_SIGN_ENTITLEMENTS = Tun/Tun.entitlements;
+				CODE_SIGN_IDENTITY = "Apple Development";
 				"CODE_SIGN_IDENTITY[sdk=macosx*]" = "Mac Developer";
 				CODE_SIGN_STYLE = Manual;
 				CURRENT_PROJECT_VERSION = 1;
@@ -694,7 +695,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.jihe.punchnet.tun;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE_SPECIFIER = "";
-				"PROVISIONING_PROFILE_SPECIFIER[sdk=macosx*]" = jihe_punchnet_tun_macos;
+				"PROVISIONING_PROFILE_SPECIFIER[sdk=macosx*]" = MacPunchnetTun;
 				SKIP_INSTALL = YES;
 				SWIFT_EMIT_LOC_STRINGS = YES;
 				SWIFT_VERSION = 5.0;
@@ -705,6 +706,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				CODE_SIGN_ENTITLEMENTS = Tun/Tun.entitlements;
+				CODE_SIGN_IDENTITY = "Apple Development";
 				"CODE_SIGN_IDENTITY[sdk=macosx*]" = "Mac Developer";
 				CODE_SIGN_STYLE = Manual;
 				CURRENT_PROJECT_VERSION = 1;
@@ -725,7 +727,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.jihe.punchnet.tun;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE_SPECIFIER = "";
-				"PROVISIONING_PROFILE_SPECIFIER[sdk=macosx*]" = jihe_punchnet_tun_macos;
+				"PROVISIONING_PROFILE_SPECIFIER[sdk=macosx*]" = MacPunchnetTun;
 				SKIP_INSTALL = YES;
 				SWIFT_EMIT_LOC_STRINGS = YES;
 				SWIFT_VERSION = 5.0;
@@ -788,7 +790,7 @@
 			repositoryURL = "https://gitea.s5s8.com/anlicheng/swiftlib_sdlan.git";
 			requirement = {
 				kind = exactVersion;
-				version = 2.2.0;
+				version = 2.2.2;
 			};
 		};
 /* End XCRemoteSwiftPackageReference section */
diff --git a/punchnet.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved b/punchnet.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved
index dc15e82..13c6958 100644
--- a/punchnet.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved
+++ b/punchnet.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved
@@ -1,5 +1,5 @@
 {
-  "originHash" : "2c771b2bd4bccdc5777d69cc734485452a1e854c0123ba591d596b3f580f4cb8",
+  "originHash" : "f895c313fc3b8bbb6ccda8f228cf023bf2259c0a044d992827796f28685daa8c",
   "pins" : [
     {
       "identity" : "swift-atomics",
@@ -51,8 +51,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://gitea.s5s8.com/anlicheng/swiftlib_sdlan.git",
       "state" : {
-        "revision" : "2c05d71dbe3684e51e9de55910619156ebe360c6",
-        "version" : "2.2.0"
+        "revision" : "90939a68c10e52f327d2ad1e55c1a62f56f7928b",
+        "version" : "2.2.2"
       }
     }
   ],
diff --git a/punchnet.xcodeproj/xcuserdata/anlicheng.xcuserdatad/xcschemes/xcschememanagement.plist b/punchnet.xcodeproj/xcuserdata/anlicheng.xcuserdatad/xcschemes/xcschememanagement.plist
index 516c2c6..9a05d24 100644
--- a/punchnet.xcodeproj/xcuserdata/anlicheng.xcuserdatad/xcschemes/xcschememanagement.plist
+++ b/punchnet.xcodeproj/xcuserdata/anlicheng.xcuserdatad/xcschemes/xcschememanagement.plist
@@ -7,12 +7,25 @@
 		<key>Tun.xcscheme_^#shared#^_</key>
 		<dict>
 			<key>orderHint</key>
-			<integer>1</integer>
+			<integer>0</integer>
 		</dict>
 		<key>punchnet.xcscheme_^#shared#^_</key>
 		<dict>
 			<key>orderHint</key>
-			<integer>0</integer>
+			<integer>1</integer>
+		</dict>
+	</dict>
+	<key>SuppressBuildableAutocreation</key>
+	<dict>
+		<key>C8A77EF22DD1E6D000195617</key>
+		<dict>
+			<key>primary</key>
+			<true/>
+		</dict>
+		<key>C8A77F262DD1E77B00195617</key>
+		<dict>
+			<key>primary</key>
+			<true/>
 		</dict>
 	</dict>
 </dict>
diff --git a/punchnet/Core/UDPNoticeCenterServer.swift b/punchnet/Core/UDPNoticeCenterServer.swift
index 92de81d..3b843bd 100644
--- a/punchnet/Core/UDPNoticeCenterServer.swift
+++ b/punchnet/Core/UDPNoticeCenterServer.swift
@@ -31,7 +31,6 @@ final class UDPNoticeCenterServer: ChannelInboundHandler {
             .channelInitializer { channel in
                 channel.pipeline.addHandler(self)
             }
-        
         self.channel = try! bootstrap.bind(host: "127.0.0.1", port: 50195).wait()
     }