From 66f30e1ebfe3888db5ab084bccc0d9de57a2ad27 Mon Sep 17 00:00:00 2001
From: 837951602 <837951602@qq.com>
Date: Tue, 16 Sep 2025 17:19:59 +0800
Subject: [PATCH] =?UTF-8?q?=E6=89=BE=E4=B8=8D=E5=88=B0=E7=B1=BB=E5=9E=8B?=
 =?UTF-8?q?=E6=97=B6=E6=98=BE=E5=BC=8F=E6=8A=A5=E9=94=99=20(#1256)?=
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---
 src/onebot/api/msg.ts | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/onebot/api/msg.ts b/src/onebot/api/msg.ts
index cd6a5e98..0a3be50d 100644
--- a/src/onebot/api/msg.ts
+++ b/src/onebot/api/msg.ts
@@ -1124,10 +1124,13 @@ export class OneBotMsgApi {
             if (ignoreTypes.includes(sendMsg.type)) {
                 continue;
             }
-            const converter = this.ob11ToRawConverters[sendMsg.type] as (
+            const converter = this.ob11ToRawConverters[sendMsg.type] as ((
                 sendMsg: Extract<OB11MessageData, { type: OB11MessageData['type'] }>,
                 context: SendMessageContext,
-            ) => Promise<SendMessageElement | undefined>;
+            ) => Promise<SendMessageElement | undefined>) | undefined;
+            if (converter == undefined) {
+                throw new Error('未知的消息类型：' + sendMsg.type);
+            }
             const callResult = converter(
                 sendMsg,
                 { peer, deleteAfterSentFiles },