diff --git a/Tun/Punchnet/Actors/SDLContextActor.swift b/Tun/Punchnet/Actors/SDLContextActor.swift
index 1526595..eb17e6d 100644
--- a/Tun/Punchnet/Actors/SDLContextActor.swift
+++ b/Tun/Punchnet/Actors/SDLContextActor.swift
@@ -172,12 +172,12 @@ actor SDLContextActor {
             SDLLogger.log("[SDLContext] startSuperClient defer")
         }
         
-        // 这里必须等待quic的协商完成
-        try await Task.sleep(for: .seconds(0.5))
-        SDLLogger.log("[SDLContext] start super client: \(self.config.serverHost)")
-        
         do {
             try await withTaskCancellationHandler {
+                // 这里必须等待quic的协商完成
+                try await Task.sleep(for: .seconds(0.5))
+                SDLLogger.log("[SDLContext] start super client: \(self.config.serverHost)")
+                
                 try await withThrowingTaskGroup { group in
                     defer {
                         group.cancelAll()