diff --git a/Sources/Punchnet/SDLContext.swift b/Sources/Punchnet/SDLContext.swift
index edf9bdf..9d330e6 100644
--- a/Sources/Punchnet/SDLContext.swift
+++ b/Sources/Punchnet/SDLContext.swift
@@ -120,7 +120,7 @@ public class SDLContext: @unchecked Sendable {
                     do {
                         try await self.startSuperClient()
                     } catch let err {
-                        NSLog("SuperClient get error: \(err)")
+                        NSLog("[SDLContext] SuperClient get error: \(err), will restart")
                         await self.arpServer.clear()
                         try? await Task.sleep(for: .seconds(2))
                     }
diff --git a/Sources/Punchnet/SDLSuperClient.swift b/Sources/Punchnet/SDLSuperClient.swift
index ca86c77..5aafcc6 100644
--- a/Sources/Punchnet/SDLSuperClient.swift
+++ b/Sources/Punchnet/SDLSuperClient.swift
@@ -9,8 +9,6 @@ import Foundation
 import NIOCore
 import NIOPosix
 
-
-
 // --MARK: 和SuperNode的客户端
 actor SDLSuperClient {
     private let group = MultiThreadedEventLoopGroup(numberOfThreads: 1)
@@ -82,6 +80,7 @@ actor SDLSuperClient {
                             }
                         }
                     }
+                    NSLog("[SDLSuperClient] inbound closed")
                 }
                 
                 group.addTask {
@@ -92,6 +91,7 @@ actor SDLSuperClient {
                         buffer.writeBytes(message.data)
                         try await outbound.write(buffer)
                     }
+                    NSLog("[SDLSuperClient] outbound closed")
                 }
                 
                 // --MARK: 心跳机制
@@ -100,6 +100,7 @@ actor SDLSuperClient {
                         await self.ping()
                         try? await Task.sleep(nanoseconds: 5 * 1_000_000_000)
                     }
+                    NSLog("[SDLSuperClient] heartbeat cancelled")
                 }
                 
                 try await group.waitForAll()