From d90d043811bc2fbf0810fe303c1ed9df46f155e8 Mon Sep 17 00:00:00 2001
From: wjqserver <114663932+WJQSERVER@users.noreply.github.com>
Date: Mon, 30 Mar 2026 02:21:11 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20mergedContext.Value=20=E9=81=8D=E5=8E=86?=
 =?UTF-8?q?=E7=88=B6=20contexts=20=E6=9F=A5=E6=89=BE=E5=80=BC?=
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---
 mergectx.go | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/mergectx.go b/mergectx.go
index 7ce2031..e5d3ec4 100644
--- a/mergectx.go
+++ b/mergectx.go
@@ -75,7 +75,12 @@ func MergeCtx(parents ...context.Context) (ctx context.Context, cancel context.C
 
 // Value 返回当前Ctx Value
 func (mc *mergedContext) Value(key any) any {
-	return mc.Context.Value(key)
+	for _, p := range mc.parents {
+		if val := p.Value(key); val != nil {
+			return val
+		}
+	}
+	return nil
 }
 
 // Deadline 实现了 context.Context 的 Deadline 方法.