From 93acccf81876acba63bcf02b6d5b0b2ac39ee914 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rapha=C3=ABl=20MANSUY?= <raphael.mansuy@gmail.com>
Date: Thu, 4 Dec 2025 19:18:13 +0800
Subject: [PATCH] cherry-pick ffcd75a4

---
 lightrag_webui/src/hooks/useLightragGraph.tsx | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lightrag_webui/src/hooks/useLightragGraph.tsx b/lightrag_webui/src/hooks/useLightragGraph.tsx
index af47425b..73fcb53c 100644
--- a/lightrag_webui/src/hooks/useLightragGraph.tsx
+++ b/lightrag_webui/src/hooks/useLightragGraph.tsx
@@ -340,11 +340,12 @@ const fetchGraph = async (label: string, maxDepth: number, maxNodes: number) =>
       const target = nodeIdMap[edge.target]
       if (source !== undefined && target !== undefined) {
         const sourceNode = rawData.nodes[source]
-        const targetNode = rawData.nodes[target]
         if (!sourceNode) {
           console.error(`Source node ${edge.source} is undefined`)
           continue
         }
+        
+        const targetNode = rawData.nodes[target]
         if (!targetNode) {
           console.error(`Target node ${edge.target} is undefined`)
           continue