diff --git a/lightrag/api/graph_viewer_webui/src/hooks/useLightragGraph.tsx b/lightrag/api/graph_viewer_webui/src/hooks/useLightragGraph.tsx
index e1cca872..a3f7747a 100644
--- a/lightrag/api/graph_viewer_webui/src/hooks/useLightragGraph.tsx
+++ b/lightrag/api/graph_viewer_webui/src/hooks/useLightragGraph.tsx
@@ -89,7 +89,7 @@ export type NodeType = {
 export type EdgeType = { label: string }
 
 const fetchGraph = async (label: string) => {
-  const response = await fetch(`http://localhost:9621/graphs?label=${label}`)
+  const response = await fetch(`/graphs?label=${label}`)
   const rawData = await response.json()
 
   let rawGraph = null