From fb262e0f4a8b7ac6fd019a65f799c2da61feb634 Mon Sep 17 00:00:00 2001
From: yangdx <yangdx@znipower.com>
Date: Wed, 26 Mar 2025 17:40:06 +0800
Subject: [PATCH] Improve empty history message handling

---
 .../src/components/documents/PipelineStatusDialog.tsx     | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/lightrag_webui/src/components/documents/PipelineStatusDialog.tsx b/lightrag_webui/src/components/documents/PipelineStatusDialog.tsx
index 43687f47..642285df 100644
--- a/lightrag_webui/src/components/documents/PipelineStatusDialog.tsx
+++ b/lightrag_webui/src/components/documents/PipelineStatusDialog.tsx
@@ -179,9 +179,11 @@ export default function PipelineStatusDialog({
               onScroll={handleScroll}
               className="font-mono text-sm rounded-md bg-zinc-800 text-zinc-100 p-3 overflow-y-auto min-h-[7.5em] max-h-[40vh]"
             >
-              {status?.history_messages?.map((msg, idx) => (
-                <div key={idx}>{msg}</div>
-              )) || '-'}
+              {status?.history_messages?.length ? (
+                status.history_messages.map((msg, idx) => (
+                  <div key={idx}>{msg}</div>
+                ))
+              ) : '-'}
             </div>
           </div>
         </div>