From 6c2bdb0c9cc9ec2e2b4f2b432b5b242f347c4055 Mon Sep 17 00:00:00 2001
From: spectatorNan <spectatornan@gmail.com>
Date: Wed, 31 Jul 2024 03:30:16 +0800
Subject: [PATCH] fix: next rpc svc fetch lang failed

---
 goi18nx/rpc_interceptor.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/goi18nx/rpc_interceptor.go b/goi18nx/rpc_interceptor.go
index 17d39e2..e0c29ce 100644
--- a/goi18nx/rpc_interceptor.go
+++ b/goi18nx/rpc_interceptor.go
@@ -43,5 +43,9 @@ func (i *I18nGrpcInterceptor) saveLocalize(ctx context.Context) (context.Context
 	langTag := MatchCurrentLanguageTag(lang, i.supportTags)
 	bundle := NewBundle(langTag, i.localizationFiles...)
 	localizer := i18n2.NewLocalizer(bundle, lang)
-	return setLocalizer(ctx, localizer), nil
+	ctx = setLocalizer(ctx, localizer)
+
+	// Append the language metadata to the outgoing context
+	ctx = metadata.AppendToOutgoingContext(ctx, defaultLangHeaderKey, lang)
+	return ctx, nil
 }