From 7b63c16b1ce8dfd25955a7c3944ea088b137afc8 Mon Sep 17 00:00:00 2001
From: yangdx <gzdaniel@me.com>
Date: Tue, 23 Sep 2025 22:41:31 +0800
Subject: [PATCH] Set empty query labels to wildcard '*' for proper graph
 display
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• Handle empty/whitespace query labels
• Auto-set to '*' when label is blank
• Ensure consistent graph behavior
• Prevent invalid query states
---
 lightrag_webui/src/components/graph/GraphLabels.tsx | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/lightrag_webui/src/components/graph/GraphLabels.tsx b/lightrag_webui/src/components/graph/GraphLabels.tsx
index 0310e9f7..76a7757b 100644
--- a/lightrag_webui/src/components/graph/GraphLabels.tsx
+++ b/lightrag_webui/src/components/graph/GraphLabels.tsx
@@ -94,7 +94,13 @@ const GraphLabels = () => {
     useGraphStore.getState().setTypeColorMap(new Map<string, string>())
 
     try {
-      const currentLabel = label
+      let currentLabel = label
+
+      // If queryLabel is empty, set it to '*'
+      if (!currentLabel || currentLabel.trim() === '') {
+        useSettingsStore.getState().setQueryLabel('*')
+        currentLabel = '*'
+      }
 
       if (currentLabel && currentLabel !== '*') {
         // Scenario 1: Has specific label, try to refresh current label