fix quicClient

Tun/Punchnet/Actors/SDLContextActor.swift

@@ -265,6 +265,7 @@ actor SDLContextActor {
         
         defer {
             quicClient.stop()
+            SDLLogger.log("[SDLContext] quicClient: stop")
         }
         
         // 这里必须等待quic的协商完成
@@ -509,7 +510,7 @@ actor SDLContextActor {
         self.udpHoleV6 = nil
         self.udpHoleV6LocalAddress = nil
 
-        await self.quicClient?.stop()
+        self.quicClient?.stop()
         self.quicClient = nil
         
         await self.dnsClient?.stop()
@@ -630,7 +631,7 @@ actor SDLContextActor {
         
         // 开启新的任务
         self.readTask = Task.detached(priority: .high) {
-            while true {
+            repeat {
                 if Task.isCancelled {
                     return
                 }
@@ -641,7 +642,7 @@ actor SDLContextActor {
                         await self.dealTunPacket(packet: ipPacket)
                     }
                 }
-            }
+            } while true
         }
     }