From 30e9d91b57d9b752fff581791bd28c8361ac072c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=B8=96=E7=95=8C?= <i@sekai.icu>
Date: Tue, 26 Nov 2024 12:00:56 +0800
Subject: [PATCH] Fix AppendClose

---
 common/network/conn.go | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/common/network/conn.go b/common/network/conn.go
index c289bf61..ab3961f1 100644
--- a/common/network/conn.go
+++ b/common/network/conn.go
@@ -74,9 +74,10 @@ type ExtendedConn interface {
 type CloseHandlerFunc = func(it error)
 
 func AppendClose(parent CloseHandlerFunc, onClose CloseHandlerFunc) CloseHandlerFunc {
+	if onClose == nil {
+		panic("nil onClose")
+	}
 	if parent == nil {
-		return parent
-	} else if onClose == nil {
 		return onClose
 	}
 	return func(it error) {