diff --git a/apps/tools.js b/apps/tools.js
index b77812a..3272ed5 100644
--- a/apps/tools.js
+++ b/apps/tools.js
@@ -353,7 +353,13 @@ export class tools extends plugin {
 
         // 如果有ck 并且 有openai的key
         if (this.biliSessData && this.openaiApiKey) {
-            const prompt = await getBiliGptInputText(title, aid, cid);
+            let prompt;
+            try {
+                prompt = await getBiliGptInputText(title, aid, cid);
+            } catch (err) {
+                logger.error("总结失败，可能是没有弹幕或者网络问题！");
+                return true;
+            }
             const response = await this.chatGptClient.sendMessage(prompt);
             // 暂时不设计上下文
             e.reply(response.response);
diff --git a/utils/biliSummary.js b/utils/biliSummary.js
index 63effa7..5710a1b 100644
--- a/utils/biliSummary.js
+++ b/utils/biliSummary.js
@@ -28,7 +28,10 @@ export async function getBiliGptInputText(title, aid, cid, shouldShowTimestamp =
         commonConfig,
     );
     const subtitles = (await resp.json()).data.subtitle.subtitles;
-    const res = await fetch(`http:${subtitles[0].subtitle_url}`);
+    const res = await fetch(`http:${subtitles[0]?.subtitle_url}`);
+    if (_.isUndefined(res)) {
+        throw new Error("");
+    }
     const subtitlesData = (await res.json()).body;
     const subtitleTimestamp = reduceBilibiliSubtitleTimestamp(subtitlesData, shouldShowTimestamp);
     const inputText = getSmallSizeTranscripts(subtitleTimestamp, subtitleTimestamp);