diff --git a/web/src/i18n/en.ts b/web/src/i18n/en.ts
index caaaad89..bf1a3ce8 100644
--- a/web/src/i18n/en.ts
+++ b/web/src/i18n/en.ts
@@ -1270,6 +1270,7 @@ export const en = {
       participle: 'Participle retrieval',
       semantic: 'Semantic retrieval',
       hybrid: 'Hybrid Retrieval',
+      graph: 'Graph Retrieval',
 
       similarity_threshold: 'Semantic similarity threshold',
       similarity_threshold_desc: 'Only return results with semantic similarity higher than this threshold',
diff --git a/web/src/i18n/zh.ts b/web/src/i18n/zh.ts
index 50f35813..a774ec55 100644
--- a/web/src/i18n/zh.ts
+++ b/web/src/i18n/zh.ts
@@ -657,6 +657,7 @@ export const zh = {
       participle: '分词检索',
       semantic: '语义检索',
       hybrid: '混合检索',
+      graph: '图谱检索',
 
       similarity_threshold: '语义相似度阈值',
       similarity_threshold_desc: '仅返回语义相似度高于此阈值的结果',
diff --git a/web/src/views/ApplicationConfig/components/Knowledge/KnowledgeConfigModal.tsx b/web/src/views/ApplicationConfig/components/Knowledge/KnowledgeConfigModal.tsx
index 6b1000d4..1969579b 100644
--- a/web/src/views/ApplicationConfig/components/Knowledge/KnowledgeConfigModal.tsx
+++ b/web/src/views/ApplicationConfig/components/Knowledge/KnowledgeConfigModal.tsx
@@ -32,7 +32,7 @@ interface KnowledgeConfigModalProps {
 /**
  * Available retrieval types
  */
-const retrieveTypes: RetrieveType[] = ['participle', 'semantic', 'hybrid']
+const retrieveTypes: RetrieveType[] = ['participle', 'semantic', 'hybrid', 'graph']
 
 /**
  * Modal for configuring knowledge base retrieval settings
diff --git a/web/src/views/ApplicationConfig/components/Knowledge/types.ts b/web/src/views/ApplicationConfig/components/Knowledge/types.ts
index 9ede67dd..b2e11928 100644
--- a/web/src/views/ApplicationConfig/components/Knowledge/types.ts
+++ b/web/src/views/ApplicationConfig/components/Knowledge/types.ts
@@ -1,8 +1,8 @@
 /*
  * @Author: ZhaoYing 
  * @Date: 2026-02-03 16:25:53 
- * @Last Modified by:   ZhaoYing 
- * @Last Modified time: 2026-02-03 16:25:53 
+ * @Last Modified by: ZhaoYing
+ * @Last Modified time: 2026-04-07 17:16:47
  */
 /**
  * Type definitions for knowledge base configuration in application settings
@@ -28,7 +28,7 @@ export interface RerankerConfig {
  * - semantic: Semantic similarity based retrieval
  * - hybrid: Combination of both methods
  */
-export type RetrieveType = 'participle' | 'semantic' | 'hybrid'
+export type RetrieveType = 'participle' | 'semantic' | 'hybrid' | 'graph'
 
 /**
  * Knowledge base configuration form data
diff --git a/web/src/views/Workflow/components/Editor/plugin/InitialValuePlugin.tsx b/web/src/views/Workflow/components/Editor/plugin/InitialValuePlugin.tsx
index 9a3eaa94..ebccff50 100644
--- a/web/src/views/Workflow/components/Editor/plugin/InitialValuePlugin.tsx
+++ b/web/src/views/Workflow/components/Editor/plugin/InitialValuePlugin.tsx
@@ -52,7 +52,7 @@ const InitialValuePlugin: React.FC<InitialValuePluginProps> = ({ value, options
           const root = $getRoot();
           root.clear();
 
-          const parts = value.split(/(\{\{[^}]+\}\}|\n)/);
+          const parts = (value ?? '').split(/(\{\{[^}]+\}\}|\n)/);
           let paragraph = $createParagraphNode();
 
             parts.forEach(part => {
diff --git a/web/src/views/Workflow/components/Properties/Knowledge/KnowledgeConfigModal.tsx b/web/src/views/Workflow/components/Properties/Knowledge/KnowledgeConfigModal.tsx
index 7ecf3ef8..3766e238 100644
--- a/web/src/views/Workflow/components/Properties/Knowledge/KnowledgeConfigModal.tsx
+++ b/web/src/views/Workflow/components/Properties/Knowledge/KnowledgeConfigModal.tsx
@@ -12,7 +12,7 @@ const FormItem = Form.Item;
 interface KnowledgeConfigModalProps {
   refresh: (values: KnowledgeConfigForm, type: 'knowledgeConfig') => void;
 }
-const retrieveTypes: RetrieveType[] = ['participle', 'semantic', 'hybrid']
+const retrieveTypes: RetrieveType[] = ['participle', 'semantic', 'hybrid', 'graph']
 
 const KnowledgeConfigModal = forwardRef<KnowledgeConfigModalRef, KnowledgeConfigModalProps>(({
   refresh,
diff --git a/web/src/views/Workflow/components/Properties/Knowledge/types.ts b/web/src/views/Workflow/components/Properties/Knowledge/types.ts
index 99834092..a0472b4b 100644
--- a/web/src/views/Workflow/components/Properties/Knowledge/types.ts
+++ b/web/src/views/Workflow/components/Properties/Knowledge/types.ts
@@ -5,7 +5,7 @@ export interface RerankerConfig {
   reranker_id?: string | undefined;
   reranker_top_k?: number | undefined;
 }
-export type RetrieveType = 'participle' | 'semantic' | 'hybrid'
+export type RetrieveType = 'participle' | 'semantic' | 'hybrid' | 'graph'
 export interface KnowledgeConfigForm {
   kb_id?: string;
   similarity_threshold?: number;
diff --git a/web/src/views/Workflow/components/Properties/ToolConfig/index.tsx b/web/src/views/Workflow/components/Properties/ToolConfig/index.tsx
index 7857eb23..ba1e9a5f 100644
--- a/web/src/views/Workflow/components/Properties/ToolConfig/index.tsx
+++ b/web/src/views/Workflow/components/Properties/ToolConfig/index.tsx
@@ -1,6 +1,6 @@
 import { type FC, useEffect, useState, useMemo } from "react";
 import { useTranslation } from 'react-i18next'
-import { Form, Select, InputNumber, Switch, Cascader, type CascaderProps, Tooltip } from 'antd'
+import { Form, Select, Switch, Cascader, type CascaderProps, Tooltip } from 'antd'
 import type { Suggestion } from '../../Editor/plugin/AutocompletePlugin'
 import { getToolMethods, getToolDetail, getTools } from '@/api/tools'
 import type { ToolType, ToolItem } from '@/views/ToolManagement/types'
@@ -171,14 +171,15 @@ const ToolConfig: FC<{ options: Suggestion[]; }> = ({
         const filterChild = vo.children.filter(child => child.dataType === 'number')
 
         if (filterChild.length > 0) {
-          list.push({ ...vo, children: filterChild })
-        } else {
+          list.push({ ...vo, disabled: vo.dataType !== 'number', children: filterChild })
+        } else if (vo.dataType === 'number') {
           list.push({ ...vo, children: [] })
         }
-      } else {
+      } else if (vo.dataType === 'number') {
         list.push({ ...vo })
       }
     })
+    console.log('options', options, list)
     return list
   }, [options])