From a6c8fe0c40ff50f76655525f1db308b592c926a7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=BA=90=E6=96=87=E9=9B=A8?=
 <41315874+fumiama@users.noreply.github.com>
Date: Fri, 6 Mar 2026 22:47:01 +0800
Subject: [PATCH] fix(relay): double close

---
 relay.go | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/relay.go b/relay.go
index 9730d6b..4043374 100644
--- a/relay.go
+++ b/relay.go
@@ -67,6 +67,11 @@ func (r *relay) Write(p []byte) (n int, err error) {
 
 // Close ...
 func (r *relay) Close() error {
-	close(r.buf)
+	r.mu.Lock()
+	defer r.mu.Unlock()
+	if r.buf != nil {
+		close(r.buf)
+		r.buf = nil
+	}
 	return nil
 }