From b6917b1cd03de8141dbd2bb4835356f4a20375f9 Mon Sep 17 00:00:00 2001
From: hslam <791874158@qq.com>
Date: Mon, 1 Feb 2021 13:11:33 +0800
Subject: [PATCH] update context example

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index a29374e..46c13de 100644
--- a/README.md
+++ b/README.md
@@ -196,7 +196,7 @@ func main() {
 	req := &service.ArithRequest{A: 9, B: 2}
 	var res service.ArithResponse
 	emptyCtx := context.Background()
-	valueCtx := context.WithValue(emptyCtx, rpc.ContextKeyBuffer, make([]byte, 64))
+	valueCtx := context.WithValue(emptyCtx, rpc.BufferContextKey, make([]byte, 64))
 	ctx, cancel := context.WithTimeout(valueCtx, time.Minute)
 	defer cancel()
 	err = conn.CallWithContext(ctx, "Arith.Multiply", req, &res)