diff --git a/lightrag_webui/src/hooks/useLightragGraph.tsx b/lightrag_webui/src/hooks/useLightragGraph.tsx
index fde463b7..deac239f 100644
--- a/lightrag_webui/src/hooks/useLightragGraph.tsx
+++ b/lightrag_webui/src/hooks/useLightragGraph.tsx
@@ -169,7 +169,7 @@ const fetchGraph = async (label: string, maxDepth: number, maxNodes: number) =>
   }
 
   // console.debug({ data: JSON.parse(JSON.stringify(rawData)) })
-  return rawGraph
+  return { rawGraph, is_truncated: rawData.is_truncated }
 }
 
 // Create a new graph instance with the raw graph data
@@ -303,12 +303,18 @@ const useLightrangeGraph = () => {
       } else {
         // 2. If query label is empty, set data to null
         console.log('Query label is empty, show empty graph')
-        dataPromise = Promise.resolve(null);
+        dataPromise = Promise.resolve({ rawGraph: null, is_truncated: false });
       }
 
       // 3. Process data
-      dataPromise.then((data) => {
+      dataPromise.then((result) => {
         const state = useGraphStore.getState()
+        const data = result?.rawGraph;
+
+        // Check if data is truncated
+        if (result?.is_truncated) {
+          toast.info(t('graphPanel.dataIsTruncated', 'Graph data is truncated to Max Nodes'));
+        }
 
         // Reset state
         state.reset()
diff --git a/lightrag_webui/src/locales/ar.json b/lightrag_webui/src/locales/ar.json
index 0c2a1b38..02780abb 100644
--- a/lightrag_webui/src/locales/ar.json
+++ b/lightrag_webui/src/locales/ar.json
@@ -136,6 +136,7 @@
     }
   },
   "graphPanel": {
+    "dataIsTruncated": "تم اقتصار بيانات الرسم البياني على الحد الأقصى للعقد",
     "sideBar": {
       "settings": {
         "settings": "الإعدادات",
diff --git a/lightrag_webui/src/locales/en.json b/lightrag_webui/src/locales/en.json
index c89855ed..90eedb3c 100644
--- a/lightrag_webui/src/locales/en.json
+++ b/lightrag_webui/src/locales/en.json
@@ -136,6 +136,7 @@
     }
   },
   "graphPanel": {
+    "dataIsTruncated": "Graph data is truncated to Max Nodes",
     "sideBar": {
       "settings": {
         "settings": "Settings",
diff --git a/lightrag_webui/src/locales/fr.json b/lightrag_webui/src/locales/fr.json
index b3ac90da..5f59f0bb 100644
--- a/lightrag_webui/src/locales/fr.json
+++ b/lightrag_webui/src/locales/fr.json
@@ -136,6 +136,7 @@
     }
   },
   "graphPanel": {
+    "dataIsTruncated": "Les données du graphe sont tronquées au nombre maximum de nœuds",
     "sideBar": {
       "settings": {
         "settings": "Paramètres",
diff --git a/lightrag_webui/src/locales/zh.json b/lightrag_webui/src/locales/zh.json
index bbbb54e3..46979c88 100644
--- a/lightrag_webui/src/locales/zh.json
+++ b/lightrag_webui/src/locales/zh.json
@@ -136,6 +136,7 @@
     }
   },
   "graphPanel": {
+    "dataIsTruncated": "图数据已截断至最大返回节点数",
     "sideBar": {
       "settings": {
         "settings": "设置",