diff --git a/Sources/Punchnet/HolerManager.swift b/Sources/Punchnet/HolerManager.swift
deleted file mode 100644
index e37ab86..0000000
--- a/Sources/Punchnet/HolerManager.swift
+++ /dev/null
@@ -1,31 +0,0 @@
-//
-//  HolerManager.swift
-//  sdlan
-//
-//  Created by 安礼成 on 2025/7/14.
-//
-import Foundation
-
-actor HolerManager {
-    private var holers: [Data:Task<(), Never>] = [:]
-    
-    func addHoler(dstMac: Data, creator: @escaping () -> Task<(), Never>) {
-        if let task = self.holers[dstMac] {
-            if task.isCancelled {
-                self.holers[dstMac] = creator()
-            }
-        } else {
-            self.holers[dstMac] = creator()
-        }
-    }
-    
-    func cleanup() {
-        for holer in holers.values {
-            holer.cancel()
-        }
-        self.holers.removeAll()
-    }
-    
-}
-
-
diff --git a/Sources/Punchnet/SDLContext.swift b/Sources/Punchnet/SDLContext.swift
index e840170..deb52f1 100644
--- a/Sources/Punchnet/SDLContext.swift
+++ b/Sources/Punchnet/SDLContext.swift
@@ -56,7 +56,6 @@ public class SDLContext: @unchecked Sendable {
     let provider: NEPacketTunnelProvider
     
     private var sessionManager: SessionManager
-    private var holerManager: HolerManager
     private var arpServer: ArpServer
     
     // 记录最后发送的stunRequest的cookie
@@ -76,6 +75,16 @@ public class SDLContext: @unchecked Sendable {
     private var flowTracer = SDLFlowTracerActor()
     private var flowTracerCancel: AnyCancellable?
     
+    // 处理holer
+    private var holerPublishers: [Data:PassthroughSubject<RegisterRequest, Never>] = [:]
+    private var bag = Set<AnyCancellable>()
+    
+    struct RegisterRequest {
+        let srcMac: Data
+        let dstMac: Data
+        let networkId: UInt32
+    }
+    
     public init(provider: NEPacketTunnelProvider, config: SDLConfiguration, rsaCipher: RSACipher, aesCipher: AESCipher) {
         self.config = config
         self.rsaCipher = rsaCipher
@@ -88,7 +97,6 @@ public class SDLContext: @unchecked Sendable {
         
         self.provider = provider
         self.sessionManager = SessionManager()
-        self.holerManager = HolerManager()
         self.arpServer = ArpServer(known_macs: [:])
     }
     
@@ -278,7 +286,7 @@ public class SDLContext: @unchecked Sendable {
                 let address = SDLUtil.int32ToIp(sendRegisterEvent.natIp)
                 if let remoteAddress = try? SocketAddress.makeAddressResolvingHost(address, port: Int(sendRegisterEvent.natPort)) {
                     // 发送register包
-                    await self.udpHole?.sendRegister(context: self, remoteAddress: remoteAddress, dst_mac: sendRegisterEvent.dstMac)
+                    await self.udpHole?.sendRegister(remoteAddress: remoteAddress, networkId: self.devAddr.networkID, srcMac: self.devAddr.mac, dst_mac: sendRegisterEvent.dstMac)
                 }
                 
             case .networkShutdown(let shutdownEvent):
@@ -444,8 +452,6 @@ public class SDLContext: @unchecked Sendable {
         // 网卡配置设置必须成功
         do {
             try await self.provider.setTunnelNetworkSettings(networkSettings)
-            
-            await self.holerManager.cleanup()
             self.startReader()
             
             NSLog("[SDLContext] setTunnelNetworkSettings success, start read packet")
@@ -521,15 +527,30 @@ public class SDLContext: @unchecked Sendable {
             await self.flowTracer.inc(num: data.count, type: .forward)
             
             // 尝试打洞
-            await self.holerManager.addHoler(dstMac: dstMac) {
-                self.holerTask(dstMac: dstMac)
-            }
+            let registerRequest = RegisterRequest(srcMac: self.devAddr.mac, dstMac: dstMac, networkId: self.devAddr.networkID)
+            self.submitRegisterRequest(dstMac: dstMac, request: registerRequest)
+            
         }
     }
     
-    func holerTask(dstMac: Data) -> Task<(), Never> {
-        return Task {
-            guard let message = try? await self.superClient?.queryInfo(context: self, dst_mac: dstMac).get() else {
+    private func submitRegisterRequest(dstMac: Data, request: RegisterRequest) {
+        if let publisher = self.holerPublishers[dstMac] {
+            publisher.send(request)
+        } else {
+            let publisher = PassthroughSubject<RegisterRequest, Never>()
+            publisher.debounce(for: .seconds(5), scheduler: DispatchQueue.global())
+                .sink { request in
+                    self.tryHole(request: request)
+                }
+                .store(in: &self.bag)
+            
+            self.holerPublishers[dstMac] = publisher
+        }
+    }
+    
+    private func tryHole(request: RegisterRequest) {
+        Task {
+            guard let message = try? await self.superClient?.queryInfo(dst_mac: request.dstMac).get() else {
                 return
             }
             
@@ -540,7 +561,7 @@ public class SDLContext: @unchecked Sendable {
                 if let remoteAddress = peerInfo.v4Info.socketAddress() {
                     SDLLogger.log("[SDLContext] hole sock address: \(remoteAddress)", level: .warning)
                     // 发送register包
-                    await self.udpHole?.sendRegister(context: self, remoteAddress: remoteAddress, dst_mac: dstMac)
+                    await self.udpHole?.sendRegister(remoteAddress: remoteAddress, networkId: request.networkId, srcMac: request.srcMac, dst_mac: request.dstMac)
                 } else {
                     SDLLogger.log("[SDLContext] hole sock address is invalid: \(peerInfo.v4Info)", level: .warning)
                 }
diff --git a/Sources/Punchnet/SDLSuperClient.swift b/Sources/Punchnet/SDLSuperClient.swift
index c0d5f40..26546d8 100644
--- a/Sources/Punchnet/SDLSuperClient.swift
+++ b/Sources/Punchnet/SDLSuperClient.swift
@@ -128,7 +128,7 @@ actor SDLSuperClient {
     }
     
     // 查询目标服务器的相关信息
-    func queryInfo(context ctx: SDLContext, dst_mac: Data) async throws -> EventLoopFuture<SDLSuperInboundMessage> {
+    func queryInfo(dst_mac: Data) async throws -> EventLoopFuture<SDLSuperInboundMessage> {
         var queryInfo = SDLQueryInfo()
         queryInfo.dstMac = dst_mac
         
diff --git a/Sources/Punchnet/SDLUDPHole.swift b/Sources/Punchnet/SDLUDPHole.swift
index 72eaa5a..d58d250 100644
--- a/Sources/Punchnet/SDLUDPHole.swift
+++ b/Sources/Punchnet/SDLUDPHole.swift
@@ -190,14 +190,14 @@ actor SDLUDPHole {
     }
     
     // 发送register包
-    func sendRegister(context ctx: SDLContext, remoteAddress: SocketAddress, dst_mac: Data) {
+    func sendRegister(remoteAddress: SocketAddress, networkId: UInt32, srcMac: Data, dst_mac: Data) {
         var register = SDLRegister()
-        register.networkID = ctx.devAddr.networkID
-        register.srcMac = ctx.devAddr.mac
+        register.networkID = networkId
+        register.srcMac = srcMac
         register.dstMac = dst_mac
         
         if let packet = try? register.serializedData() {
-            SDLLogger.log("[SDLUDPHole] SendRegister: \(remoteAddress), src_mac: \(LayerPacket.MacAddress.description(data: ctx.devAddr.mac)), dst_mac: \(LayerPacket.MacAddress.description(data: dst_mac))", level: .debug)
+            SDLLogger.log("[SDLUDPHole] SendRegister: \(remoteAddress), src_mac: \(LayerPacket.MacAddress.description(data: srcMac)), dst_mac: \(LayerPacket.MacAddress.description(data: dst_mac))", level: .debug)
             self.send(remoteAddress: remoteAddress, type: .register, data: packet)
         }
     }