From 7b1d7e1c858594be0f07268c2fffcc246ec37373 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=B8=96=E7=95=8C?= <i@sekai.icu>
Date: Sat, 19 Sep 2026 23:22:18 +0800
Subject: [PATCH] Fix tls_fragment treating empty write as first packet

---
 common/tlsfragment/conn.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/common/tlsfragment/conn.go b/common/tlsfragment/conn.go
index 040663bd..fb6e5e0b 100644
--- a/common/tlsfragment/conn.go
+++ b/common/tlsfragment/conn.go
@@ -41,7 +41,7 @@ func NewConn(conn net.Conn, ctx context.Context, splitPacket bool, splitRecord b
 }
 
 func (c *Conn) Write(b []byte) (n int, err error) {
-	if !c.firstPacketWritten {
+	if !c.firstPacketWritten && len(b) > 0 {
 		defer func() {
 			c.firstPacketWritten = true
 		}()