diff --git a/web/src/constants/agent.tsx b/web/src/constants/agent.tsx
index c73fbfa60..20cd9557e 100644
--- a/web/src/constants/agent.tsx
+++ b/web/src/constants/agent.tsx
@@ -76,7 +76,6 @@ export enum Operator {
   Relevant = 'Relevant',
   RewriteQuestion = 'RewriteQuestion',
   KeywordExtract = 'KeywordExtract',
-  Baidu = 'Baidu',
   DuckDuckGo = 'DuckDuckGo',
   Wikipedia = 'Wikipedia',
   PubMed = 'PubMed',
@@ -85,7 +84,6 @@ export enum Operator {
   Bing = 'Bing',
   GoogleScholar = 'GoogleScholar',
   GitHub = 'GitHub',
-  BaiduFanyi = 'BaiduFanyi',
   QWeather = 'QWeather',
   ExeSQL = 'ExeSQL',
   Switch = 'Switch',
@@ -111,6 +109,7 @@ export enum Operator {
   SearXNG = 'SearXNG',
   Placeholder = 'Placeholder',
   DataOperations = 'DataOperations',
+  VariableAssigner = 'VariableAssigner',
   File = 'File', // pipeline
   Parser = 'Parser',
   Tokenizer = 'Tokenizer',
diff --git a/web/src/hooks/logic-hooks/use-build-operator-options.tsx b/web/src/hooks/logic-hooks/use-build-operator-options.tsx
index 52441e359..82e3ed79d 100644
--- a/web/src/hooks/logic-hooks/use-build-operator-options.tsx
+++ b/web/src/hooks/logic-hooks/use-build-operator-options.tsx
@@ -27,9 +27,12 @@ export function useBuildSwitchOperatorOptions(
   const { t } = useTranslation();
 
   const switchOperatorOptions = useMemo(() => {
-    return SwitchOperatorOptions.filter((x) =>
-      subset.some((y) => y === x.value),
-    ).map((x) => ({
+    const filteredOptions =
+      subset.length > 0
+        ? SwitchOperatorOptions.filter((x) => subset.some((y) => y === x.value))
+        : SwitchOperatorOptions;
+
+    return filteredOptions.map((x) => ({
       value: x.value,
       icon: (
         <LogicalOperatorIcon
@@ -39,7 +42,7 @@ export function useBuildSwitchOperatorOptions(
       ),
       label: t(`flow.switchOperatorOptions.${x.label}`),
     }));
-  }, [t]);
+  }, [subset, t]);
 
   return switchOperatorOptions;
 }
diff --git a/web/src/locales/en.ts b/web/src/locales/en.ts
index e411691fe..dfe83be52 100644
--- a/web/src/locales/en.ts
+++ b/web/src/locales/en.ts
@@ -1547,6 +1547,9 @@ This delimiter is used to split the input text into several text pieces echo of
       codeDescription: 'It allows developers to write custom Python logic.',
       dataOperations: 'Data operations',
       dataOperationsDescription: 'Perform various operations on a Data object.',
+      variableAssigner: 'Variable assigner',
+      variableAssignerDescription:
+        'This component performs operations on Data objects, including extracting, filtering, and editing keys and values in the Data.',
       inputVariables: 'Input variables',
       runningHintText: 'is running...🕞',
       openingSwitch: 'Opening switch',
diff --git a/web/src/locales/zh.ts b/web/src/locales/zh.ts
index a637ee1db..b99f4704d 100644
--- a/web/src/locales/zh.ts
+++ b/web/src/locales/zh.ts
@@ -1468,6 +1468,9 @@ General：实体和关系提取提示来自 GitHub - microsoft/graphrag：基于
       codeDescription: '它允许开发人员编写自定义 Python 逻辑。',
       dataOperations: '数据操作',
       dataOperationsDescription: '对数据对象执行各种操作。',
+      variableAssigner: '变量赋值器',
+      variableAssignerDescription:
+        '此组件对数据对象执行操作，包括提取、筛选和编辑数据中的键和值。',
       inputVariables: '输入变量',
       addVariable: '新增变量',
       runningHintText: '正在运行中...🕞',
diff --git a/web/src/pages/agent/canvas/index.tsx b/web/src/pages/agent/canvas/index.tsx
index 685b384a0..f9d615824 100644
--- a/web/src/pages/agent/canvas/index.tsx
+++ b/web/src/pages/agent/canvas/index.tsx
@@ -72,6 +72,7 @@ import { SwitchNode } from './node/switch-node';
 import { TemplateNode } from './node/template-node';
 import TokenizerNode from './node/tokenizer-node';
 import { ToolNode } from './node/tool-node';
+import { VariableAssignerNode } from './node/variable-assigner-node';
 
 export const nodeTypes: NodeTypes = {
   ragNode: RagNode,
@@ -98,6 +99,7 @@ export const nodeTypes: NodeTypes = {
   splitterNode: SplitterNode,
   contextNode: ExtractorNode,
   dataOperationsNode: DataOperationsNode,
+  variableAssignerNode: VariableAssignerNode,
 };
 
 const edgeTypes = {
diff --git a/web/src/pages/agent/canvas/node/dropdown/accordion-operators.tsx b/web/src/pages/agent/canvas/node/dropdown/accordion-operators.tsx
index 864e20254..d3c0b0c4d 100644
--- a/web/src/pages/agent/canvas/node/dropdown/accordion-operators.tsx
+++ b/web/src/pages/agent/canvas/node/dropdown/accordion-operators.tsx
@@ -79,6 +79,7 @@ export function AccordionOperators({
               Operator.Code,
               Operator.StringTransform,
               Operator.DataOperations,
+              Operator.VariableAssigner,
             ]}
             isCustomDropdown={isCustomDropdown}
             mousePosition={mousePosition}
diff --git a/web/src/pages/agent/canvas/node/variable-assigner-node.tsx b/web/src/pages/agent/canvas/node/variable-assigner-node.tsx
new file mode 100644
index 000000000..c6f8beaf8
--- /dev/null
+++ b/web/src/pages/agent/canvas/node/variable-assigner-node.tsx
@@ -0,0 +1,11 @@
+import { IRagNode } from '@/interfaces/database/agent';
+import { NodeProps } from '@xyflow/react';
+import { RagNode } from '.';
+
+export function VariableAssignerNode({ ...props }: NodeProps<IRagNode>) {
+  return (
+    <RagNode {...props}>
+      <section>select</section>
+    </RagNode>
+  );
+}
diff --git a/web/src/pages/agent/constant/index.tsx b/web/src/pages/agent/constant/index.tsx
index 3abe3ca2c..f224e7563 100644
--- a/web/src/pages/agent/constant/index.tsx
+++ b/web/src/pages/agent/constant/index.tsx
@@ -66,106 +66,6 @@ export const AgentOperatorList = [
   Operator.Agent,
 ];
 
-export const componentMenuList = [
-  {
-    name: Operator.Retrieval,
-  },
-  {
-    name: Operator.Categorize,
-  },
-  {
-    name: Operator.Message,
-  },
-
-  {
-    name: Operator.RewriteQuestion,
-  },
-  {
-    name: Operator.KeywordExtract,
-  },
-  {
-    name: Operator.Switch,
-  },
-  {
-    name: Operator.Iteration,
-  },
-  {
-    name: Operator.Code,
-  },
-  {
-    name: Operator.WaitingDialogue,
-  },
-  {
-    name: Operator.Agent,
-  },
-  {
-    name: Operator.Note,
-  },
-  {
-    name: Operator.DuckDuckGo,
-  },
-  {
-    name: Operator.Baidu,
-  },
-  {
-    name: Operator.Wikipedia,
-  },
-  {
-    name: Operator.PubMed,
-  },
-  {
-    name: Operator.ArXiv,
-  },
-  {
-    name: Operator.Google,
-  },
-  {
-    name: Operator.Bing,
-  },
-  {
-    name: Operator.GoogleScholar,
-  },
-  {
-    name: Operator.GitHub,
-  },
-  {
-    name: Operator.BaiduFanyi,
-  },
-  {
-    name: Operator.QWeather,
-  },
-  {
-    name: Operator.ExeSQL,
-  },
-  {
-    name: Operator.WenCai,
-  },
-  {
-    name: Operator.AkShare,
-  },
-  {
-    name: Operator.YahooFinance,
-  },
-  {
-    name: Operator.Jin10,
-  },
-  {
-    name: Operator.TuShare,
-  },
-  {
-    name: Operator.Crawler,
-  },
-  {
-    name: Operator.Invoke,
-  },
-  {
-    name: Operator.Email,
-  },
-  {
-    name: Operator.SearXNG,
-  },
-];
-
 export const DataOperationsOperatorOptions = [
   ComparisonOperator.Equal,
   ComparisonOperator.NotEqual,
@@ -281,11 +181,6 @@ export const initialSearXNGValues = {
   },
 };
 
-export const initialBaiduValues = {
-  top_n: 10,
-  ...initialQueryBaseValues,
-};
-
 export const initialWikipediaValues = {
   top_n: 10,
   language: 'en',
@@ -385,13 +280,6 @@ export const initialGithubValues = {
   },
 };
 
-export const initialBaiduFanyiValues = {
-  appid: 'xxx',
-  secret_key: 'xxx',
-  trans_type: 'translate',
-  ...initialQueryBaseValues,
-};
-
 export const initialQWeatherValues = {
   web_apikey: 'xxx',
   type: 'weather',
@@ -717,6 +605,8 @@ export const initialDataOperationsValues = {
   },
 };
 
+export const initialVariableAssignerValues = {};
+
 export const CategorizeAnchorPointPositions = [
   { top: 1, right: 34 },
   { top: 8, right: 18 },
@@ -757,7 +647,6 @@ export const RestrictedUpstreamMap = {
     Operator.Message,
     Operator.Relevant,
   ],
-  [Operator.Baidu]: [Operator.Begin, Operator.Retrieval],
   [Operator.DuckDuckGo]: [Operator.Begin, Operator.Retrieval],
   [Operator.Wikipedia]: [Operator.Begin, Operator.Retrieval],
   [Operator.PubMed]: [Operator.Begin, Operator.Retrieval],
@@ -766,7 +655,6 @@ export const RestrictedUpstreamMap = {
   [Operator.Bing]: [Operator.Begin, Operator.Retrieval],
   [Operator.GoogleScholar]: [Operator.Begin, Operator.Retrieval],
   [Operator.GitHub]: [Operator.Begin, Operator.Retrieval],
-  [Operator.BaiduFanyi]: [Operator.Begin, Operator.Retrieval],
   [Operator.QWeather]: [Operator.Begin, Operator.Retrieval],
   [Operator.SearXNG]: [Operator.Begin, Operator.Retrieval],
   [Operator.ExeSQL]: [Operator.Begin],
@@ -798,6 +686,7 @@ export const RestrictedUpstreamMap = {
   [Operator.Tokenizer]: [Operator.Begin],
   [Operator.Extractor]: [Operator.Begin],
   [Operator.File]: [Operator.Begin],
+  [Operator.VariableAssigner]: [Operator.Begin],
 };
 
 export const NodeMap = {
@@ -809,7 +698,6 @@ export const NodeMap = {
   [Operator.RewriteQuestion]: 'rewriteNode',
   [Operator.KeywordExtract]: 'keywordNode',
   [Operator.DuckDuckGo]: 'ragNode',
-  [Operator.Baidu]: 'ragNode',
   [Operator.Wikipedia]: 'ragNode',
   [Operator.PubMed]: 'ragNode',
   [Operator.ArXiv]: 'ragNode',
@@ -817,7 +705,6 @@ export const NodeMap = {
   [Operator.Bing]: 'ragNode',
   [Operator.GoogleScholar]: 'ragNode',
   [Operator.GitHub]: 'ragNode',
-  [Operator.BaiduFanyi]: 'ragNode',
   [Operator.QWeather]: 'ragNode',
   [Operator.SearXNG]: 'ragNode',
   [Operator.ExeSQL]: 'ragNode',
@@ -849,6 +736,7 @@ export const NodeMap = {
   [Operator.HierarchicalMerger]: 'splitterNode',
   [Operator.Extractor]: 'contextNode',
   [Operator.DataOperations]: 'dataOperationsNode',
+  [Operator.VariableAssigner]: 'variableAssignerNode',
 };
 
 export enum BeginQueryType {
diff --git a/web/src/pages/agent/form-sheet/form-config-map.tsx b/web/src/pages/agent/form-sheet/form-config-map.tsx
index 79cd8cfc4..a259c8e1f 100644
--- a/web/src/pages/agent/form-sheet/form-config-map.tsx
+++ b/web/src/pages/agent/form-sheet/form-config-map.tsx
@@ -2,8 +2,6 @@ import { Operator } from '../constant';
 import AgentForm from '../form/agent-form';
 import AkShareForm from '../form/akshare-form';
 import ArXivForm from '../form/arxiv-form';
-import BaiduFanyiForm from '../form/baidu-fanyi-form';
-import BaiduForm from '../form/baidu-form';
 import BeginForm from '../form/begin-form';
 import BingForm from '../form/bing-form';
 import CategorizeForm from '../form/categorize-form';
@@ -72,9 +70,6 @@ export const FormConfigMap = {
   [Operator.Agent]: {
     component: AgentForm,
   },
-  [Operator.Baidu]: {
-    component: BaiduForm,
-  },
   [Operator.DuckDuckGo]: {
     component: DuckDuckGoForm,
   },
@@ -102,9 +97,6 @@ export const FormConfigMap = {
   [Operator.GitHub]: {
     component: GithubForm,
   },
-  [Operator.BaiduFanyi]: {
-    component: BaiduFanyiForm,
-  },
   [Operator.QWeather]: {
     component: QWeatherForm,
   },
diff --git a/web/src/pages/agent/form/baidu-fanyi-form/index.tsx b/web/src/pages/agent/form/baidu-fanyi-form/index.tsx
deleted file mode 100644
index c02b3dd85..000000000
--- a/web/src/pages/agent/form/baidu-fanyi-form/index.tsx
+++ /dev/null
@@ -1,71 +0,0 @@
-import { useTranslate } from '@/hooks/common-hooks';
-import { Form, Input, Select } from 'antd';
-import { useMemo } from 'react';
-import { IOperatorForm } from '../../interface';
-import {
-  BaiduFanyiDomainOptions,
-  BaiduFanyiSourceLangOptions,
-} from '../../options';
-import DynamicInputVariable from '../components/dynamic-input-variable';
-
-const BaiduFanyiForm = ({ onValuesChange, form, node }: IOperatorForm) => {
-  const { t } = useTranslate('flow');
-  const options = useMemo(() => {
-    return ['translate', 'fieldtranslate'].map((x) => ({
-      value: x,
-      label: t(`baiduSecretKeyOptions.${x}`),
-    }));
-  }, [t]);
-
-  const baiduFanyiOptions = useMemo(() => {
-    return BaiduFanyiDomainOptions.map((x) => ({
-      value: x,
-      label: t(`baiduDomainOptions.${x}`),
-    }));
-  }, [t]);
-
-  const baiduFanyiSourceLangOptions = useMemo(() => {
-    return BaiduFanyiSourceLangOptions.map((x) => ({
-      value: x,
-      label: t(`baiduSourceLangOptions.${x}`),
-    }));
-  }, [t]);
-
-  return (
-    <Form
-      name="basic"
-      autoComplete="off"
-      form={form}
-      onValuesChange={onValuesChange}
-      layout={'vertical'}
-    >
-      <DynamicInputVariable node={node}></DynamicInputVariable>
-      <Form.Item label={t('appid')} name={'appid'}>
-        <Input></Input>
-      </Form.Item>
-      <Form.Item label={t('secretKey')} name={'secret_key'}>
-        <Input></Input>
-      </Form.Item>
-      <Form.Item label={t('transType')} name={'trans_type'}>
-        <Select options={options}></Select>
-      </Form.Item>
-      <Form.Item noStyle dependencies={['model_type']}>
-        {({ getFieldValue }) =>
-          getFieldValue('trans_type') === 'fieldtranslate' && (
-            <Form.Item label={t('domain')} name={'domain'}>
-              <Select options={baiduFanyiOptions}></Select>
-            </Form.Item>
-          )
-        }
-      </Form.Item>
-      <Form.Item label={t('sourceLang')} name={'source_lang'}>
-        <Select options={baiduFanyiSourceLangOptions}></Select>
-      </Form.Item>
-      <Form.Item label={t('targetLang')} name={'target_lang'}>
-        <Select options={baiduFanyiSourceLangOptions}></Select>
-      </Form.Item>
-    </Form>
-  );
-};
-
-export default BaiduFanyiForm;
diff --git a/web/src/pages/agent/form/baidu-form/index.tsx b/web/src/pages/agent/form/baidu-form/index.tsx
deleted file mode 100644
index 0861ef829..000000000
--- a/web/src/pages/agent/form/baidu-form/index.tsx
+++ /dev/null
@@ -1,22 +0,0 @@
-import { TopNFormField } from '@/components/top-n-item';
-import { Form } from '@/components/ui/form';
-import { INextOperatorForm } from '../../interface';
-import { DynamicInputVariable } from '../components/next-dynamic-input-variable';
-
-const BaiduForm = ({ form, node }: INextOperatorForm) => {
-  return (
-    <Form {...form}>
-      <form
-        className="space-y-6"
-        onSubmit={(e) => {
-          e.preventDefault();
-        }}
-      >
-        <DynamicInputVariable node={node}></DynamicInputVariable>
-        <TopNFormField></TopNFormField>
-      </form>
-    </Form>
-  );
-};
-
-export default BaiduForm;
diff --git a/web/src/pages/agent/hooks/use-add-node.ts b/web/src/pages/agent/hooks/use-add-node.ts
index d3b2ef765..81630eb39 100644
--- a/web/src/pages/agent/hooks/use-add-node.ts
+++ b/web/src/pages/agent/hooks/use-add-node.ts
@@ -12,8 +12,6 @@ import {
   initialAgentValues,
   initialAkShareValues,
   initialArXivValues,
-  initialBaiduFanyiValues,
-  initialBaiduValues,
   initialBeginValues,
   initialBingValues,
   initialCategorizeValues,
@@ -50,6 +48,7 @@ import {
   initialTokenizerValues,
   initialTuShareValues,
   initialUserFillUpValues,
+  initialVariableAssignerValues,
   initialWaitingDialogueValues,
   initialWenCaiValues,
   initialWikipediaValues,
@@ -86,7 +85,6 @@ export const useInitializeOperatorParams = () => {
         llm_id: llmId,
       },
       [Operator.DuckDuckGo]: initialDuckValues,
-      [Operator.Baidu]: initialBaiduValues,
       [Operator.Wikipedia]: initialWikipediaValues,
       [Operator.PubMed]: initialPubMedValues,
       [Operator.ArXiv]: initialArXivValues,
@@ -95,7 +93,6 @@ export const useInitializeOperatorParams = () => {
       [Operator.GoogleScholar]: initialGoogleScholarValues,
       [Operator.SearXNG]: initialSearXNGValues,
       [Operator.GitHub]: initialGithubValues,
-      [Operator.BaiduFanyi]: initialBaiduFanyiValues,
       [Operator.QWeather]: initialQWeatherValues,
       [Operator.ExeSQL]: initialExeSqlValues,
       [Operator.Switch]: initialSwitchValues,
@@ -131,6 +128,7 @@ export const useInitializeOperatorParams = () => {
         prompts: t('flow.prompts.user.summary'),
       },
       [Operator.DataOperations]: initialDataOperationsValues,
+      [Operator.VariableAssigner]: initialVariableAssignerValues,
     };
   }, [llmId]);
 
diff --git a/web/src/pages/agent/operator-icon.tsx b/web/src/pages/agent/operator-icon.tsx
index fcd17954a..6a0ae7f7d 100644
--- a/web/src/pages/agent/operator-icon.tsx
+++ b/web/src/pages/agent/operator-icon.tsx
@@ -14,7 +14,7 @@ import { ReactComponent as YahooFinanceIcon } from '@/assets/svg/yahoo-finance.s
 
 import { IconFont } from '@/components/icon-font';
 import { cn } from '@/lib/utils';
-import { FileCode, HousePlus } from 'lucide-react';
+import { Equal, FileCode, HousePlus } from 'lucide-react';
 import { Operator } from './constant';
 
 interface IProps {
@@ -58,6 +58,7 @@ export const SVGIconMap = {
 
 export const LucideIconMap = {
   [Operator.DataOperations]: FileCode,
+  [Operator.VariableAssigner]: Equal,
 };
 
 const Empty = () => {
diff --git a/web/src/pages/next-chats/chat/app-settings/metadata-filter-conditions.tsx b/web/src/pages/next-chats/chat/app-settings/metadata-filter-conditions.tsx
deleted file mode 100644
index 136cfdc57..000000000
--- a/web/src/pages/next-chats/chat/app-settings/metadata-filter-conditions.tsx
+++ /dev/null
@@ -1,129 +0,0 @@
-import { SelectWithSearch } from '@/components/originui/select-with-search';
-import { Button } from '@/components/ui/button';
-import {
-  DropdownMenu,
-  DropdownMenuContent,
-  DropdownMenuItem,
-  DropdownMenuTrigger,
-} from '@/components/ui/dropdown-menu';
-import {
-  FormControl,
-  FormField,
-  FormItem,
-  FormLabel,
-  FormMessage,
-} from '@/components/ui/form';
-import { Input } from '@/components/ui/input';
-import { Separator } from '@/components/ui/separator';
-import { SwitchOperatorOptions } from '@/constants/agent';
-import { useBuildSwitchOperatorOptions } from '@/hooks/logic-hooks/use-build-operator-options';
-import { useFetchKnowledgeMetadata } from '@/hooks/use-knowledge-request';
-import { Plus, X } from 'lucide-react';
-import { useCallback } from 'react';
-import { useFieldArray, useFormContext } from 'react-hook-form';
-import { useTranslation } from 'react-i18next';
-
-export function MetadataFilterConditions({ kbIds }: { kbIds: string[] }) {
-  const { t } = useTranslation();
-  const form = useFormContext();
-  const name = 'meta_data_filter.manual';
-  const metadata = useFetchKnowledgeMetadata(kbIds);
-
-  const switchOperatorOptions = useBuildSwitchOperatorOptions();
-
-  const { fields, remove, append } = useFieldArray({
-    name,
-    control: form.control,
-  });
-
-  const add = useCallback(
-    (key: string) => () => {
-      append({
-        key,
-        value: '',
-        op: SwitchOperatorOptions[0].value,
-      });
-    },
-    [append],
-  );
-
-  return (
-    <section className="flex flex-col gap-2">
-      <div className="flex items-center justify-between">
-        <FormLabel>{t('chat.conditions')}</FormLabel>
-        <DropdownMenu>
-          <DropdownMenuTrigger>
-            <Button variant={'ghost'} type="button">
-              <Plus />
-            </Button>
-          </DropdownMenuTrigger>
-          <DropdownMenuContent>
-            {Object.keys(metadata.data).map((key, idx) => {
-              return (
-                <DropdownMenuItem key={idx} onClick={add(key)}>
-                  {key}
-                </DropdownMenuItem>
-              );
-            })}
-          </DropdownMenuContent>
-        </DropdownMenu>
-      </div>
-      <div className="space-y-5">
-        {fields.map((field, index) => {
-          const typeField = `${name}.${index}.key`;
-          return (
-            <div key={field.id} className="flex w-full items-center gap-2">
-              <FormField
-                control={form.control}
-                name={typeField}
-                render={({ field }) => (
-                  <FormItem className="flex-1 overflow-hidden">
-                    <FormControl>
-                      <Input
-                        {...field}
-                        placeholder={t('common.pleaseInput')}
-                      ></Input>
-                    </FormControl>
-                    <FormMessage />
-                  </FormItem>
-                )}
-              />
-              <Separator className="w-3 text-text-secondary" />
-              <FormField
-                control={form.control}
-                name={`${name}.${index}.op`}
-                render={({ field }) => (
-                  <FormItem className="flex-1 overflow-hidden">
-                    <FormControl>
-                      <SelectWithSearch
-                        {...field}
-                        options={switchOperatorOptions}
-                      ></SelectWithSearch>
-                    </FormControl>
-                    <FormMessage />
-                  </FormItem>
-                )}
-              />
-              <Separator className="w-3 text-text-secondary" />
-              <FormField
-                control={form.control}
-                name={`${name}.${index}.value`}
-                render={({ field }) => (
-                  <FormItem className="flex-1 overflow-hidden">
-                    <FormControl>
-                      <Input placeholder={t('common.pleaseInput')} {...field} />
-                    </FormControl>
-                    <FormMessage />
-                  </FormItem>
-                )}
-              />
-              <Button variant={'ghost'} onClick={() => remove(index)}>
-                <X className="text-text-sub-title-invert " />
-              </Button>
-            </div>
-          );
-        })}
-      </div>
-    </section>
-  );
-}