From 57753225ea7194018ecd7c5999bf625336950d65 Mon Sep 17 00:00:00 2001
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Date: Wed, 6 Nov 2024 09:06:44 +0900
Subject: [PATCH] =?UTF-8?q?fix(backend):=20=E3=83=8E=E3=83=BC=E3=83=88?=
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Cherry-picked from 6718a54f6fce29edbe2755c31a119e4468fc56e2

Co-authored-by: Laura Hausmann <laura@hausmann.dev>
---
 packages/backend/src/core/MfmService.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/backend/src/core/MfmService.ts b/packages/backend/src/core/MfmService.ts
index 4e1e8d902..3df8aaef1 100644
--- a/packages/backend/src/core/MfmService.ts
+++ b/packages/backend/src/core/MfmService.ts
@@ -410,7 +410,7 @@ export class MfmService {
 			mention: (node) => {
 				const a = doc.createElement('a');
 				const { username, host, acct } = node.props;
-				const remoteUserInfo = mentionedRemoteUsers.find(remoteUser => remoteUser.username === username && remoteUser.host === host);
+				const remoteUserInfo = mentionedRemoteUsers.find(remoteUser => remoteUser.username.toLowerCase() === username.toLowerCase() && remoteUser.host?.toLowerCase() === host?.toLowerCase());
 				a.setAttribute('href', remoteUserInfo ? (remoteUserInfo.url ? remoteUserInfo.url : remoteUserInfo.uri) : `${this.config.url}/${acct}`);
 				a.className = 'u-url mention';
 				a.textContent = acct;