diff --git a/lightrag_webui/src/components/graph/GraphLabels.tsx b/lightrag_webui/src/components/graph/GraphLabels.tsx
index 1ee46bb8..e7b955c6 100644
--- a/lightrag_webui/src/components/graph/GraphLabels.tsx
+++ b/lightrag_webui/src/components/graph/GraphLabels.tsx
@@ -111,7 +111,7 @@ const GraphLabels = () => {
         // Clear current graph data to ensure complete reload when label changes
         if (newLabel !== currentLabel) {
           const graphStore = useGraphStore.getState();
-          // 完全重置图形状态
+          // Reset the all graph objects and status
           graphStore.reset();
         }
 
diff --git a/lightrag_webui/src/components/graph/GraphSearch.tsx b/lightrag_webui/src/components/graph/GraphSearch.tsx
index 2ad81326..51e76a0b 100644
--- a/lightrag_webui/src/components/graph/GraphSearch.tsx
+++ b/lightrag_webui/src/components/graph/GraphSearch.tsx
@@ -10,11 +10,17 @@ import { searchResultLimit } from '@/lib/constants'
 import { useGraphStore } from '@/stores/graph'
 import MiniSearch from 'minisearch'
 import { useTranslation } from 'react-i18next'
-import { OptionItem } from './graphSearchTypes'
 
 // Message item identifier for search results
 export const messageId = '__message_item'
 
+// Search result option item interface
+export interface OptionItem {
+  id: string
+  type: 'nodes' | 'edges' | 'message'
+  message?: string
+}
+
 const NodeOption = ({ id }: { id: string }) => {
   const graph = useGraphStore.use.sigmaGraph()
   if (!graph?.hasNode(id)) {
diff --git a/lightrag_webui/src/components/graph/graphSearchTypes.ts b/lightrag_webui/src/components/graph/graphSearchTypes.ts
deleted file mode 100644
index 80e392da..00000000
--- a/lightrag_webui/src/components/graph/graphSearchTypes.ts
+++ /dev/null
@@ -1,5 +0,0 @@
-export interface OptionItem {
-  id: string
-  type: 'nodes' | 'edges' | 'message'
-  message?: string
-}
diff --git a/lightrag_webui/src/stores/graph.ts b/lightrag_webui/src/stores/graph.ts
index 605c93d9..efff20ae 100644
--- a/lightrag_webui/src/stores/graph.ts
+++ b/lightrag_webui/src/stores/graph.ts
@@ -70,7 +70,6 @@ interface GraphState {
   sigmaInstance: any | null
   allDatabaseLabels: string[]
 
-  // 搜索引擎状态
   searchEngine: MiniSearch | null
 
   moveToSelectedNode: boolean
@@ -159,7 +158,7 @@ const useGraphStoreBase = create<GraphState>()((set) => ({
       focusedEdge: null,
       rawGraph: null,
       sigmaGraph: null,  // to avoid other components from acccessing graph objects
-      searchEngine: null, // 重置搜索引擎
+      searchEngine: null,
       moveToSelectedNode: false,
       shouldRender: false
     });