diff --git a/Tun/Punchnet/Actors/SDLContextActor.swift b/Tun/Punchnet/Actors/SDLContextActor.swift
index 9c82b7a..c21eb38 100644
--- a/Tun/Punchnet/Actors/SDLContextActor.swift
+++ b/Tun/Punchnet/Actors/SDLContextActor.swift
@@ -71,7 +71,7 @@ actor SDLContextActor {
     // 数据包读取任务
     private var readTask: Task<(), Never>?
     
-    nonisolated private let sessionManager = SessionManager()
+    private let sessionManager = SessionManager()
     nonisolated private let arpServer: ArpServer
     
     // 网络状态变化的健康