diff --git a/Tun/Punchnet/SDLContextActor.swift b/Tun/Punchnet/SDLContextActor.swift
index 1954199..5db1c4d 100644
--- a/Tun/Punchnet/SDLContextActor.swift
+++ b/Tun/Punchnet/SDLContextActor.swift
@@ -250,7 +250,7 @@ actor SDLContextActor {
     }
     
     // 处理和super的协商问题
-    private func handleUDPHoleReady() async {
+    private func handleUDPHoleReady()  {
         guard let udpHole = self.udpHole else {
             return
         }
@@ -260,6 +260,7 @@ actor SDLContextActor {
         
         // 开始探测nat的类型
         Task.detached {
+            await Task.yield()
             if let natType = await self.proberActor?.probeNatType() {
                 await self.setNatType(natType: natType)
                 SDLLogger.shared.log("[SDLContext] nat_type is: \(natType)")
@@ -267,21 +268,7 @@ actor SDLContextActor {
         }
         
         // 注册
-        var registerSuper = SDLRegisterSuper()
-        registerSuper.pktID = 0
-        registerSuper.clientID = self.config.clientId
-        registerSuper.networkID = self.config.networkAddress.networkId
-        registerSuper.mac = self.config.networkAddress.mac
-        registerSuper.ip = self.config.networkAddress.ip
-        registerSuper.maskLen = UInt32(self.config.networkAddress.maskLen)
-        registerSuper.hostname = self.config.hostname
-        registerSuper.pubKey = self.rsaCipher.pubKey
-        registerSuper.accessToken = self.config.accessToken
-        
-        if let registerSuperData = try? registerSuper.serializedData() {
-            SDLLogger.shared.log("[SDLContext] will send register super")
-            self.udpHole?.send(type: .registerSuper, data: registerSuperData, remoteAddress: self.config.stunSocketAddress)
-        }
+        self.doRegisterSuper()
     }
     
     private func sendStunRequest() {
@@ -344,6 +331,7 @@ actor SDLContextActor {
     private func handleEvent(event: SDLEvent) throws {
         switch event {
         case .dropMacs(let dropMacsEvent):
+            // TODO
             SDLLogger.shared.log("[SDLContext] drop macs", level: .info)
             ()
         case .natChanged(let natChangedEvent):
@@ -362,8 +350,8 @@ actor SDLContextActor {
                 self.udpHole?.send(type: .register, data: try register.serializedData(), remoteAddress: remoteAddress)
             }
         case .refreshAuth(let refreshAuthEvent):
-            SDLLogger.shared.log("[SDLContext] refresh auth", level: .info)
-            ()
+            SDLLogger.shared.log("[SDLContext] refresh auth: \(refreshAuthEvent.networkID)", level: .info)
+            self.doRegisterSuper()
         case .networkShutdown(let shutdownEvent):
             let alertNotice = NoticeMessage.alert(alert: shutdownEvent.message)
             self.noticeClient?.send(data: alertNotice)
@@ -371,6 +359,25 @@ actor SDLContextActor {
         }
     }
     
+    private func doRegisterSuper() {
+        // 注册
+        var registerSuper = SDLRegisterSuper()
+        registerSuper.pktID = 0
+        registerSuper.clientID = self.config.clientId
+        registerSuper.networkID = self.config.networkAddress.networkId
+        registerSuper.mac = self.config.networkAddress.mac
+        registerSuper.ip = self.config.networkAddress.ip
+        registerSuper.maskLen = UInt32(self.config.networkAddress.maskLen)
+        registerSuper.hostname = self.config.hostname
+        registerSuper.pubKey = self.rsaCipher.pubKey
+        registerSuper.accessToken = self.config.accessToken
+        
+        if let registerSuperData = try? registerSuper.serializedData() {
+            SDLLogger.shared.log("[SDLContext] will send register super")
+            self.udpHole?.send(type: .registerSuper, data: registerSuperData, remoteAddress: self.config.stunSocketAddress)
+        }
+    }
+    
     private func handleRegister(remoteAddress: SocketAddress, register: SDLRegister) throws {
         let networkAddr = config.networkAddress
         SDLLogger.shared.log("register packet: \(register), network_address: \(networkAddr)", level: .debug)