diff --git a/web/src/components/knowledge-base-item.tsx b/web/src/components/knowledge-base-item.tsx
index ee3b2c2ba..1ab32dd66 100644
--- a/web/src/components/knowledge-base-item.tsx
+++ b/web/src/components/knowledge-base-item.tsx
@@ -9,7 +9,15 @@ import { Avatar, AvatarFallback, AvatarImage } from './ui/avatar';
 import { FormControl, FormField, FormItem, FormLabel } from './ui/form';
 import { MultiSelect } from './ui/multi-select';
 
-const KnowledgeBaseItem = () => {
+interface KnowledgeBaseItemProps {
+  required?: boolean;
+  onChange?(): void;
+}
+
+const KnowledgeBaseItem = ({
+  required = true,
+  onChange,
+}: KnowledgeBaseItemProps) => {
   const { t } = useTranslate('chat');
 
   const { list: knowledgeList } = useFetchKnowledgeList(true);
@@ -35,7 +43,7 @@ const KnowledgeBaseItem = () => {
       tooltip={t('knowledgeBasesTip')}
       rules={[
         {
-          required: true,
+          required,
           message: t('knowledgeBasesMessage'),
           type: 'array',
         },
@@ -45,6 +53,7 @@ const KnowledgeBaseItem = () => {
         mode="multiple"
         options={knowledgeOptions}
         placeholder={t('knowledgeBasesMessage')}
+        onChange={onChange}
       ></Select>
     </Form.Item>
   );
diff --git a/web/src/locales/en.ts b/web/src/locales/en.ts
index bf550061b..755df41df 100644
--- a/web/src/locales/en.ts
+++ b/web/src/locales/en.ts
@@ -420,6 +420,7 @@ This procedure will improve precision of retrieval by adding more information to
       language: 'Language',
       emptyResponse: 'Empty response',
       emptyResponseTip: `Set this as a response if no results are retrieved from the knowledge bases for your query, or leave this field blank to allow the LLM to improvise when nothing is found.`,
+      emptyResponseMessage: `Empty response will be triggered when nothing relevant is retrieved from knowledge bases. Erase 'Empty response' since none of knowledge base is selected.`,
       setAnOpener: 'Opening greeting',
       setAnOpenerInitial: `Hi! I'm your assistant, what can I do for you?`,
       setAnOpenerTip: 'Set an opening greeting for users.',
diff --git a/web/src/locales/zh-traditional.ts b/web/src/locales/zh-traditional.ts
index 734bfbe0e..dbb073356 100644
--- a/web/src/locales/zh-traditional.ts
+++ b/web/src/locales/zh-traditional.ts
@@ -402,6 +402,7 @@ export default {
       language: '語言',
       emptyResponse: '空回复',
       emptyResponseTip: `如果在知識庫中沒有檢索到用戶的問題，它將使用它作為答案。如果您希望 LLM 在未檢索到任何內容時提出自己的意見，請將此留空。`,
+      emptyResponseMessage: `當知識庫中沒有檢索到任何相關內容時，將觸發空響應。由於未選擇任何知識庫，因此刪除“空響應”。`,
       setAnOpener: '設置開場白',
       setAnOpenerInitial: `你好！我是你的助理，有什麼可以幫到你的嗎？`,
       setAnOpenerTip: '您想如何歡迎您的客戶？',
diff --git a/web/src/locales/zh.ts b/web/src/locales/zh.ts
index c0753e8ab..e51543897 100644
--- a/web/src/locales/zh.ts
+++ b/web/src/locales/zh.ts
@@ -419,6 +419,7 @@ General：实体和关系提取提示来自 GitHub - microsoft/graphrag：基于
       language: '语言',
       emptyResponse: '空回复',
       emptyResponseTip: `如果在知识库中没有检索到用户的问题，它将使用它作为答案。 如果您希望 LLM 在未检索到任何内容时提出自己的意见，请将此留空。`,
+      emptyResponseMessage: `当知识库中未检索到任何相关信息时，将触发空响应。由于未选择任何知识库，因此请清除“空响应”。`,
       setAnOpener: '设置开场白',
       setAnOpenerInitial: `你好！ 我是你的助理，有什么可以帮到你的吗？`,
       setAnOpenerTip: '您想如何欢迎您的客户？',
diff --git a/web/src/pages/agents/agent-templates.tsx b/web/src/pages/agents/agent-templates.tsx
index 16eb87c64..eb2c3df25 100644
--- a/web/src/pages/agents/agent-templates.tsx
+++ b/web/src/pages/agents/agent-templates.tsx
@@ -27,7 +27,7 @@ export default function AgentTemplates() {
         back={navigateToAgentList}
         title={t('flow.createGraph')}
       ></PageHeader>
-      <div className="grid gap-6 sm:grid-cols-1 md:grid-cols-2 lg:grid-cols-4 xl:grid-cols-6 2xl:grid-cols-8 max-h-[84vh] overflow-auto px-8">
+      <div className="grid gap-6 sm:grid-cols-1 md:grid-cols-2 lg:grid-cols-4 xl:grid-cols-6 2xl:grid-cols-8 max-h-[94vh] overflow-auto px-8">
         {list?.map((x) => {
           return (
             <TemplateCard
diff --git a/web/src/pages/chat/chat-configuration-modal/assistant-setting.tsx b/web/src/pages/chat/chat-configuration-modal/assistant-setting.tsx
index 6ffccd3bf..1af1d7c27 100644
--- a/web/src/pages/chat/chat-configuration-modal/assistant-setting.tsx
+++ b/web/src/pages/chat/chat-configuration-modal/assistant-setting.tsx
@@ -1,18 +1,40 @@
-import { PlusOutlined } from '@ant-design/icons';
-import { Form, Input, message, Select, Switch, Upload } from 'antd';
-import classNames from 'classnames';
-import { ISegmentedContentProps } from '../interface';
-
 import KnowledgeBaseItem from '@/components/knowledge-base-item';
 import { useTranslate } from '@/hooks/common-hooks';
 import { useFetchTenantInfo } from '@/hooks/user-setting-hooks';
+import { PlusOutlined } from '@ant-design/icons';
+import { Form, Input, message, Select, Switch, Upload } from 'antd';
+import classNames from 'classnames';
 import { useCallback } from 'react';
+import { ISegmentedContentProps } from '../interface';
+
 import styles from './index.less';
 
-const AssistantSetting = ({ show, form }: ISegmentedContentProps) => {
+const emptyResponseField = ['prompt_config', 'empty_response'];
+
+const AssistantSetting = ({
+  show,
+  form,
+  setHasError,
+}: ISegmentedContentProps) => {
   const { t } = useTranslate('chat');
   const { data } = useFetchTenantInfo(true);
 
+  const handleChange = useCallback(() => {
+    const kbIds = form.getFieldValue('kb_ids');
+    const emptyResponse = form.getFieldValue(emptyResponseField);
+
+    const required =
+      emptyResponse && ((Array.isArray(kbIds) && kbIds.length === 0) || !kbIds);
+
+    setHasError(required);
+    form.setFields([
+      {
+        name: emptyResponseField,
+        errors: required ? [t('emptyResponseMessage')] : [],
+      },
+    ]);
+  }, [form, setHasError, t]);
+
   const normFile = (e: any) => {
     if (Array.isArray(e)) {
       return e;
@@ -31,7 +53,7 @@ const AssistantSetting = ({ show, form }: ISegmentedContentProps) => {
     [data, form],
   );
 
-  const uploadButtion = (
+  const uploadButton = (
     <button style={{ border: 0, background: 'none' }} type="button">
       <PlusOutlined />
       <div style={{ marginTop: 8 }}>{t('upload', { keyPrefix: 'common' })}</div>
@@ -66,7 +88,7 @@ const AssistantSetting = ({ show, form }: ISegmentedContentProps) => {
           beforeUpload={() => false}
           showUploadList={{ showPreviewIcon: false, showRemoveIcon: false }}
         >
-          {show ? uploadButtion : null}
+          {show ? uploadButton : null}
         </Upload>
       </Form.Item>
       <Form.Item
@@ -84,11 +106,11 @@ const AssistantSetting = ({ show, form }: ISegmentedContentProps) => {
         />
       </Form.Item>
       <Form.Item
-        name={['prompt_config', 'empty_response']}
+        name={emptyResponseField}
         label={t('emptyResponse')}
         tooltip={t('emptyResponseTip')}
       >
-        <Input placeholder="" />
+        <Input placeholder="" onChange={handleChange} />
       </Form.Item>
       <Form.Item
         name={['prompt_config', 'prologue']}
@@ -116,15 +138,6 @@ const AssistantSetting = ({ show, form }: ISegmentedContentProps) => {
       >
         <Switch />
       </Form.Item>
-      {/* <Form.Item
-        label={t('selfRag')}
-        valuePropName="checked"
-        name={['prompt_config', 'self_rag']}
-        tooltip={t('selfRagTip')}
-        initialValue={false}
-      >
-        <Switch />
-      </Form.Item> */}
       <Form.Item
         label={t('tts')}
         valuePropName="checked"
@@ -134,7 +147,10 @@ const AssistantSetting = ({ show, form }: ISegmentedContentProps) => {
       >
         <Switch onChange={handleTtsChange} />
       </Form.Item>
-      <KnowledgeBaseItem></KnowledgeBaseItem>
+      <KnowledgeBaseItem
+        required={false}
+        onChange={handleChange}
+      ></KnowledgeBaseItem>
     </section>
   );
 };
diff --git a/web/src/pages/chat/chat-configuration-modal/index.tsx b/web/src/pages/chat/chat-configuration-modal/index.tsx
index c895ce830..e19996b18 100644
--- a/web/src/pages/chat/chat-configuration-modal/index.tsx
+++ b/web/src/pages/chat/chat-configuration-modal/index.tsx
@@ -64,6 +64,7 @@ const ChatConfigurationModal = ({
   clearDialog,
 }: IProps) => {
   const [form] = Form.useForm();
+  const [hasError, setHasError] = useState(false);
 
   const [value, setValue] = useState<ConfigurationSegmented>(
     ConfigurationSegmented.AssistantSetting,
@@ -74,6 +75,9 @@ const ChatConfigurationModal = ({
 
   const handleOk = async () => {
     const values = await form.validateFields();
+    if (hasError) {
+      return;
+    }
     const nextValues: any = removeUselessFieldsFromValues(
       values,
       'llm_setting.',
@@ -173,6 +177,7 @@ const ChatConfigurationModal = ({
             key={key}
             show={key === value}
             form={form}
+            setHasError={setHasError}
             {...(key === ConfigurationSegmented.ModelSetting
               ? { initialLlmSetting: initialDialog.llm_setting, visible }
               : {})}
diff --git a/web/src/pages/chat/interface.ts b/web/src/pages/chat/interface.ts
index 0b51921a8..570c6da21 100644
--- a/web/src/pages/chat/interface.ts
+++ b/web/src/pages/chat/interface.ts
@@ -4,6 +4,7 @@ import { FormInstance } from 'antd';
 export interface ISegmentedContentProps {
   show: boolean;
   form: FormInstance;
+  setHasError: (hasError: boolean) => void;
 }
 
 export interface IVariable {