diff --git a/Tun/PacketTunnelProvider.swift b/Tun/PacketTunnelProvider.swift
index 0c08dc3..c554528 100644
--- a/Tun/PacketTunnelProvider.swift
+++ b/Tun/PacketTunnelProvider.swift
@@ -22,7 +22,7 @@ class PacketTunnelProvider: NEPacketTunnelProvider {
         let msg = shared?.string(forKey: "test_msg")
         SDLLogger.log("NE read message: \(msg ?? "failed")", for: .debug)
         
-        DarwinNotificationCenter.shared.post(.vpnStatusChanged)
+        SDLNotificationCenter.shared.post(.vpnStatusChanged)
         
         // 如果当前在运行状态，不允许重复请求
         guard self.contextActor == nil else {
diff --git a/Tun/Punchnet/SDLTunnelAppNotifier.swift b/Tun/Punchnet/SDLTunnelAppNotifier.swift
index 60a0b1f..6ab56fa 100644
--- a/Tun/Punchnet/SDLTunnelAppNotifier.swift
+++ b/Tun/Punchnet/SDLTunnelAppNotifier.swift
@@ -56,7 +56,7 @@ final class SDLTunnelAppNotifier {
         
         shared.set(data, forKey: self.eventKey)
         shared.synchronize()
-        DarwinNotificationCenter.shared.post(.tunnelEventChanged)
+        SDLNotificationCenter.shared.post(.tunnelEventChanged)
     }
     
     func clear() {
@@ -66,6 +66,6 @@ final class SDLTunnelAppNotifier {
         
         shared.removeObject(forKey: self.eventKey)
         shared.synchronize()
-        DarwinNotificationCenter.shared.post(.tunnelEventChanged)
+        SDLNotificationCenter.shared.post(.tunnelEventChanged)
     }
 }
diff --git a/punchnet/Core/DarwinNotificationCenter.swift b/punchnet/Core/SDLNotificationCenter.swift
similarity index 94%
rename from punchnet/Core/DarwinNotificationCenter.swift
rename to punchnet/Core/SDLNotificationCenter.swift
index 11b01c6..a94cda7 100644
--- a/punchnet/Core/DarwinNotificationCenter.swift
+++ b/punchnet/Core/SDLNotificationCenter.swift
@@ -23,8 +23,8 @@ extension DarwinNotificationName {
 
 
 // MARK: - Manager
-public final class DarwinNotificationCenter {
-    public static let shared = DarwinNotificationCenter()
+public final class SDLNotificationCenter {
+    public static let shared = SDLNotificationCenter()
     
     private let center = CFNotificationCenterGetDarwinNotifyCenter()
     
@@ -50,7 +50,7 @@ public final class DarwinNotificationCenter {
                         return
                     }
                     
-                    let instance = Unmanaged<DarwinNotificationCenter>
+                    let instance = Unmanaged<SDLNotificationCenter>
                         .fromOpaque(observer)
                         .takeUnretainedValue()
                     
diff --git a/punchnet/punchnetApp.swift b/punchnet/punchnetApp.swift
index 641949e..64ef2c7 100644
--- a/punchnet/punchnetApp.swift
+++ b/punchnet/punchnetApp.swift
@@ -93,7 +93,7 @@ class AppDelegate: NSObject, NSApplicationDelegate {
         shared?.set("App says hello", forKey: "test_msg")
         shared?.synchronize()
         
-        DarwinNotificationCenter.shared.addObserver(for: .vpnStatusChanged) { name in
+        SDLNotificationCenter.shared.addObserver(for: .vpnStatusChanged) { name in
             NSLog("DarwinNotificationCenter get message: \(name)")
         }
     }