From 95ae88a8f84f2b4c410c14166cdb7548df250635 Mon Sep 17 00:00:00 2001
From: skymkmk <i@skymkmk.com>
Date: Fri, 13 Sep 2024 21:27:14 +0800
Subject: [PATCH] fix: prevent users from setting a extremly short history that
 resulting in no content being sent for the title summary

---
 app/store/chat.ts | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/app/store/chat.ts b/app/store/chat.ts
index 5bb94d1c718..90dcbd6b76f 100644
--- a/app/store/chat.ts
+++ b/app/store/chat.ts
@@ -574,9 +574,13 @@ export const useChatStore = createPersistStore(
             countMessages(messages) >= SUMMARIZE_MIN_LEN) ||
           refreshTitle
         ) {
+          const startIndex = Math.max(
+            0,
+            messages.length - modelConfig.historyMessageCount,
+          );
           const topicMessages = messages
             .slice(
-              messages.length - modelConfig.historyMessageCount,
+              startIndex < messages.length ? startIndex : messages.length - 1,
               messages.length,
             )
             .concat(