From d8615ead54fc4321f31ccf2dfd0e086a2419cb91 Mon Sep 17 00:00:00 2001
From: Jicheng Lu <103353@smsassist.com>
Date: Thu, 30 May 2024 11:17:52 -0500
Subject: [PATCH] minor change

---
 .../Conversations/Services/ConversationService.Summary.cs  | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/Infrastructure/BotSharp.Core/Conversations/Services/ConversationService.Summary.cs b/src/Infrastructure/BotSharp.Core/Conversations/Services/ConversationService.Summary.cs
index e71d328d..f5c7d76c 100644
--- a/src/Infrastructure/BotSharp.Core/Conversations/Services/ConversationService.Summary.cs
+++ b/src/Infrastructure/BotSharp.Core/Conversations/Services/ConversationService.Summary.cs
@@ -22,6 +22,8 @@ public partial class ConversationService
             if (dialogs.IsNullOrEmpty()) continue;
 
             var content = GetConversationContent(dialogs);
+            if (string.IsNullOrEmpty(content)) continue;
+
             contents.Add(content);
         }
 
@@ -100,6 +102,11 @@ public partial class ConversationService
             conversation += $"{role}: {dialog.Payload ?? dialog.Content}\r\n";
         }
 
+        if (string.IsNullOrEmpty(conversation))
+        {
+            return string.Empty;
+        }
+
         return conversation + "\r\n";
     }
 }