diff --git a/Tun/Punchnet/Actors/SDLPuncherActor.swift b/Tun/Punchnet/Actors/SDLPuncherActor.swift
index f2af1d2..1ebb812 100644
--- a/Tun/Punchnet/Actors/SDLPuncherActor.swift
+++ b/Tun/Punchnet/Actors/SDLPuncherActor.swift
@@ -41,7 +41,7 @@ actor SDLPuncherActor {
             return
         }
         
-        pendingRequests[dstMac] = .init(expireAt: Date().addingTimeInterval(cooldownInterval), request: request)
+        self.pendingRequests[dstMac] = .init(expireAt: Date().addingTimeInterval(cooldownInterval), request: request)
         // 触发一次打洞
         var queryInfo = SDLQueryInfo()
         queryInfo.dstMac = request.dstMac
@@ -51,20 +51,27 @@ actor SDLPuncherActor {
     }
     
     func handlePeerInfo(using udpHole: SDLUDPHole?, peerInfo: SDLPeerInfo) async {
-        guard let udpHole, let requestContext = pendingRequests.removeValue(forKey: peerInfo.dstMac),
-              let remoteAddress = try? await peerInfo.v4Info.socketAddress() else {
+        // 如果服务器返回了值，优先删除掉; 避免数据堆积
+        guard let requestContext = pendingRequests.removeValue(forKey: peerInfo.dstMac) else {
             return
         }
         
-        SDLLogger.shared.log("[SDLContext] hole sock address: \(remoteAddress)", level: .debug)
-        // 发送register包
-        var register = SDLRegister()
-        register.networkID = requestContext.request.networkId
-        register.srcMac = requestContext.request.srcMac
-        register.dstMac = requestContext.request.dstMac
+        // 判断必要的值是否存在
+        guard let udpHole, peerInfo.hasV4Info else {
+            return
+        }
         
-        if let registerData = try? register.serializedData() {
-            udpHole.send(type: .register, data: registerData, remoteAddress: remoteAddress)
+        if let remoteAddress = try? await peerInfo.v4Info.socketAddress() {
+            SDLLogger.shared.log("[SDLContext] hole sock address: \(remoteAddress)", level: .debug)
+            // 发送register包
+            var register = SDLRegister()
+            register.networkID = requestContext.request.networkId
+            register.srcMac = requestContext.request.srcMac
+            register.dstMac = requestContext.request.dstMac
+            
+            if let registerData = try? register.serializedData() {
+                udpHole.send(type: .register, data: registerData, remoteAddress: remoteAddress)
+            }
         }
     }