From a45be2e2112e770159d3971ab887f10aa872f822 Mon Sep 17 00:00:00 2001
From: ikechan8370 <geyinchi@buaa.edu.cn>
Date: Tue, 7 Nov 2023 22:11:09 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E8=AF=8D=E4=BA=91bug?=
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---
 utils/wordcloud/tokenizer.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/utils/wordcloud/tokenizer.js b/utils/wordcloud/tokenizer.js
index 7ec06c3..5f8e7be 100644
--- a/utils/wordcloud/tokenizer.js
+++ b/utils/wordcloud/tokenizer.js
@@ -59,7 +59,10 @@ export class Tokenizer {
       }
       chats.push(...chatHistory)
       chats.sort(compareByTime)
-      seq = chatHistory[0].seq
+      seq = chatHistory?.[0]?.seq
+      if (!seq) {
+        break
+      }
       if (Config.debug) {
         logger.info(`拉取到${chatHistory.length}条聊天记录，当前已累计获取${chats.length}条聊天记录，继续拉...`)
       }