diff --git a/src/GameFrameX.SuperSocket.Connection/PipeConnectionBase.cs b/src/GameFrameX.SuperSocket.Connection/PipeConnectionBase.cs
index 04ee0c737..cab023029 100644
--- a/src/GameFrameX.SuperSocket.Connection/PipeConnectionBase.cs
+++ b/src/GameFrameX.SuperSocket.Connection/PipeConnectionBase.cs
@@ -415,7 +415,7 @@ protected async IAsyncEnumerable<TPackageInfo> ReadPipeAsync<TPackageInfo>(PipeR
                         if (bufferFilterResult.Exception != null)
                         {
                             OnError("Protocol error", bufferFilterResult.Exception);
-                            CloseReason = SuperSocket.Connection.CloseReason.ProtocolError;
+                            CloseReason = Connection.CloseReason.ProtocolError;
                             Close();
                             completedOrCancelled = true;
                             break;