From da850ead9e0346c84a5a321fc262cfb1c8f4128e Mon Sep 17 00:00:00 2001
From: Jicheng Lu <103353@smsassist.com>
Date: Thu, 30 May 2024 23:12:34 -0500
Subject: [PATCH] minor change

---
 .../Conversations/Services/ConversationService.Summary.cs       | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/Infrastructure/BotSharp.Core/Conversations/Services/ConversationService.Summary.cs b/src/Infrastructure/BotSharp.Core/Conversations/Services/ConversationService.Summary.cs
index a34a2793..03e098b1 100644
--- a/src/Infrastructure/BotSharp.Core/Conversations/Services/ConversationService.Summary.cs
+++ b/src/Infrastructure/BotSharp.Core/Conversations/Services/ConversationService.Summary.cs
@@ -27,6 +27,8 @@ public partial class ConversationService
             contents.Add(content);
         }
 
+        if (contents.IsNullOrEmpty()) return string.Empty;
+
         var router = await agentService.LoadAgent(AIAssistant);
         var prompt = GetPrompt(router, contents);
         var summary = await Summarize(router, prompt);