From fd69012357b618d0b09c44ab2ca148e5bcb56e4f Mon Sep 17 00:00:00 2001
From: jinmiaoluo <39730824+jinmiaoluo@users.noreply.github.com>
Date: Fri, 13 Oct 2023 18:45:06 +0800
Subject: [PATCH] Correct the timestamp format for Expires response header

---
 internal/http/response/builder.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/internal/http/response/builder.go b/internal/http/response/builder.go
index 97f00733..97c86fce 100644
--- a/internal/http/response/builder.go
+++ b/internal/http/response/builder.go
@@ -60,7 +60,7 @@ func (b *Builder) WithoutCompression() *Builder {
 func (b *Builder) WithCaching(etag string, duration time.Duration, callback func(*Builder)) {
 	b.headers["ETag"] = etag
 	b.headers["Cache-Control"] = "public"
-	b.headers["Expires"] = time.Now().Add(duration).Format(time.RFC1123)
+	b.headers["Expires"] = time.Now().Add(duration).UTC().Format(http.TimeFormat)
 
 	if etag == b.r.Header.Get("If-None-Match") {
 		b.statusCode = http.StatusNotModified