From 73660592eb655b6b2bdb076546e5e2dd687c715a Mon Sep 17 00:00:00 2001
From: Argo Zhang <argo@live.ca>
Date: Tue, 23 Sep 2025 11:55:32 +0800
Subject: [PATCH] =?UTF-8?q?fix(TcpCore):=20=E4=BF=AE=E5=A4=8D=E5=8F=91?=
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* fix(TcpCore): 修复发送数据未切片问题

* refactor: 精简代码使用 range 语法
---
 src/TouchSocket/Components/Core/TcpCore.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/TouchSocket/Components/Core/TcpCore.cs b/src/TouchSocket/Components/Core/TcpCore.cs
index aebff800c..1b627cd97 100644
--- a/src/TouchSocket/Components/Core/TcpCore.cs
+++ b/src/TouchSocket/Components/Core/TcpCore.cs
@@ -420,7 +420,7 @@ internal sealed class TcpCore : DisposableObject
             var offset = 0;
             while (length > 0 && !this.m_cancellationToken.IsCancellationRequested)
             {
-                var result = await this.m_socketSender.SendAsync(this.m_socket, memory).ConfigureAwait(EasyTask.ContinueOnCapturedContext);
+                var result = await this.m_socketSender.SendAsync(this.m_socket, memory[offset..]).ConfigureAwait(EasyTask.ContinueOnCapturedContext);
                 if (result.SocketError != null)
                 {
                     throw result.SocketError;