diff --git a/web/components/flow/add-flow-variable.tsx b/web/components/flow/add-flow-variable.tsx
index 808fd50f4..e27d484a5 100644
--- a/web/components/flow/add-flow-variable.tsx
+++ b/web/components/flow/add-flow-variable.tsx
@@ -1,78 +1,115 @@
-import { apiInterceptors, getFlowNodes } from '@/client/api';
-import { IFlowNode } from '@/types/flow';
-import { FLOW_NODES_KEY } from '@/utils';
+// import { IFlowNode } from '@/types/flow';
 import { MinusCircleOutlined, PlusOutlined } from '@ant-design/icons';
-import { Button, Form, Input, Modal } from 'antd';
-import React, { useEffect, useState } from 'react';
+import { Button, Form, Input, Modal, Select, Space } from 'antd';
+import React, { useState } from 'react';
 import { useTranslation } from 'react-i18next';
 
-type GroupType = { category: string; categoryLabel: string; nodes: IFlowNode[] };
+// ype GroupType = { category: string; categoryLabel: string; nodes: IFlowNode[] };
+type ValueType = 'str' | 'int' | 'float' | 'bool' | 'ref';
+
+const { Option } = Select;
+
+const DAG_PARAM_KEY = 'dbgpt.core.flow.params';
+const DAG_PARAM_SCOPE = 'flow_priv';
 
 const AddFlowVariable: React.FC = () => {
   const { t } = useTranslation();
-  const [operators, setOperators] = useState<Array<IFlowNode>>([]);
-  const [resources, setResources] = useState<Array<IFlowNode>>([]);
-  const [operatorsGroup, setOperatorsGroup] = useState<GroupType[]>([]);
-  const [resourcesGroup, setResourcesGroup] = useState<GroupType[]>([]);
+  // const [operators, setOperators] = useState<Array<IFlowNode>>([]);
+  // const [resources, setResources] = useState<Array<IFlowNode>>([]);
+  // const [operatorsGroup, setOperatorsGroup] = useState<GroupType[]>([]);
+  // const [resourcesGroup, setResourcesGroup] = useState<GroupType[]>([]);
   const [isModalOpen, setIsModalOpen] = useState(false);
+  const [form] = Form.useForm(); // const [form] = Form.useForm<IFlowUpdateParam>();
 
   const showModal = () => {
     setIsModalOpen(true);
   };
 
-  useEffect(() => {
-    getNodes();
-  }, []);
-
-  async function getNodes() {
-    const [_, data] = await apiInterceptors(getFlowNodes());
-    if (data && data.length > 0) {
-      localStorage.setItem(FLOW_NODES_KEY, JSON.stringify(data));
-      const operatorNodes = data.filter(node => node.flow_type === 'operator');
-      const resourceNodes = data.filter(node => node.flow_type === 'resource');
-      setOperators(operatorNodes);
-      setResources(resourceNodes);
-      setOperatorsGroup(groupNodes(operatorNodes));
-      setResourcesGroup(groupNodes(resourceNodes));
-    }
-  }
+  // TODO: get keys
+  // useEffect(() => {
+  //   getNodes();
+  // }, []);
 
-  function groupNodes(data: IFlowNode[]) {
-    const groups: GroupType[] = [];
-    const categoryMap: Record<string, { category: string; categoryLabel: string; nodes: IFlowNode[] }> = {};
-    data.forEach(item => {
-      const { category, category_label } = item;
-      if (!categoryMap[category]) {
-        categoryMap[category] = { category, categoryLabel: category_label, nodes: [] };
-        groups.push(categoryMap[category]);
-      }
-      categoryMap[category].nodes.push(item);
-    });
-    return groups;
-  }
+  // async function getNodes() {
+  //   const [_, data] = await apiInterceptors(getFlowNodes());
+  //   if (data && data.length > 0) {
+  //     localStorage.setItem(FLOW_NODES_KEY, JSON.stringify(data));
+  //     const operatorNodes = data.filter(node => node.flow_type === 'operator');
+  //     const resourceNodes = data.filter(node => node.flow_type === 'resource');
+  //     setOperators(operatorNodes);
+  //     setResources(resourceNodes);
+  //     setOperatorsGroup(groupNodes(operatorNodes));
+  //     setResourcesGroup(groupNodes(resourceNodes));
+  //   }
+  // }
 
-  const formItemLayout = {
-    labelCol: {
-      xs: { span: 24 },
-      sm: { span: 4 },
-    },
-    wrapperCol: {
-      xs: { span: 24 },
-      sm: { span: 20 },
-    },
-  };
-
-  const formItemLayoutWithOutLabel = {
-    wrapperCol: {
-      xs: { span: 24, offset: 0 },
-      sm: { span: 20, offset: 2 },
-    },
-  };
+  // function groupNodes(data: IFlowNode[]) {
+  //   const groups: GroupType[] = [];
+  //   const categoryMap: Record<string, { category: string; categoryLabel: string; nodes: IFlowNode[] }> = {};
+  //   data.forEach(item => {
+  //     const { category, category_label } = item;
+  //     if (!categoryMap[category]) {
+  //       categoryMap[category] = { category, categoryLabel: category_label, nodes: [] };
+  //       groups.push(categoryMap[category]);
+  //     }
+  //     categoryMap[category].nodes.push(item);
+  //   });
+  //   return groups;
+  // }
 
   const onFinish = (values: any) => {
     console.log('Received values of form:', values);
   };
 
+  function onNameChange(e: React.ChangeEvent<HTMLInputElement>, index: number) {
+    const name = e.target.value;
+
+    const result = name
+      ?.split('_')
+      ?.map(word => word.charAt(0).toUpperCase() + word.slice(1))
+      ?.join(' ');
+
+    form.setFields([
+      {
+        name: ['parameters', index, 'label'],
+        value: result,
+      },
+    ]);
+
+    // change value to ref
+    const type = form.getFieldValue(['parameters', index, 'value_type']);
+
+    if (type === 'ref') {
+      const parameters = form.getFieldValue('parameters');
+      const param = parameters?.[index];
+
+      if (param) {
+        const { name = '' } = param;
+        param.value = `${DAG_PARAM_KEY}:${name}@scope:${DAG_PARAM_SCOPE}`;
+
+        form.setFieldsValue({
+          parameters: [...parameters],
+        });
+      }
+    }
+  }
+
+  function onValueTypeChange(type: ValueType, index: number) {
+    if (type === 'ref') {
+      const parameters = form.getFieldValue('parameters');
+      const param = parameters?.[index];
+
+      if (param) {
+        const { name = '' } = param;
+        param.value = `${DAG_PARAM_KEY}:${name}@scope:${DAG_PARAM_SCOPE}`;
+
+        form.setFieldsValue({
+          parameters: [...parameters],
+        });
+      }
+    }
+  }
+
   return (
     <>
       <Button
@@ -83,64 +120,111 @@ const AddFlowVariable: React.FC = () => {
         onClick={showModal}
       />
 
-      <Modal title={t('Add_Global_Variable_of_Flow')} open={isModalOpen} footer={null}>
-        <Form name='dynamic_form_item' {...formItemLayoutWithOutLabel} onFinish={onFinish} className='mt-8'>
-          <Form.List
-            name='names'
-            rules={[
-              {
-                validator: async (_, names) => {
-                  if (!names || names.length < 2) {
-                    return Promise.reject(new Error('At least 2 passengers'));
-                  }
-                },
-              },
-            ]}
-          >
-            {(fields, { add, remove }, { errors }) => (
+      <Modal
+        title={t('Add_Global_Variable_of_Flow')}
+        open={isModalOpen}
+        footer={null}
+        width={1000}
+        styles={{
+          body: {
+            maxHeight: '70vh',
+            overflow: 'scroll',
+            backgroundColor: 'rgba(0,0,0,0.02)',
+            padding: '0 8px',
+            borderRadius: 4,
+          },
+        }}
+        onClose={() => setIsModalOpen(false)}
+      >
+        <Form
+          name='dynamic_form_nest_item'
+          onFinish={onFinish}
+          form={form}
+          autoComplete='off'
+          layout='vertical'
+          className='mt-8'
+          initialValues={{ parameters: [{}] }}
+        >
+          <Form.List name='parameters'>
+            {(fields, { add, remove }) => (
               <>
-                {fields.map((field, index) => (
-                  <Form.Item
-                    {...(index === 0 ? formItemLayout : formItemLayoutWithOutLabel)}
-                    label={index === 0 ? 'Passengers' : ''}
-                    required={false}
-                    key={field.key}
-                  >
+                {fields.map(({ key, name, ...restField }, index) => (
+                  <Space key={key} style={{ display: 'flex', marginBottom: 8 }} align='baseline'>
                     <Form.Item
-                      {...field}
-                      validateTrigger={['onChange', 'onBlur']}
+                      {...restField}
+                      name={[name, 'name']}
+                      label={`参数 ${index + 1} 名称`}
+                      style={{ width: 140 }}
                       rules={[
+                        { required: true, message: 'Missing parameter name' },
                         {
-                          required: true,
-                          whitespace: true,
-                          message: "Please input passenger's name or delete this field.",
+                          pattern: /^[a-zA-Z0-9]+(_[a-zA-Z0-9]+)*$/,
+                          message: '名称必须是字母、数字或下划线，并使用下划线分隔多个单词',
                         },
                       ]}
-                      noStyle
                     >
-                      <Input placeholder='passenger name' style={{ width: '60%' }} />
+                      <Input placeholder='Parameter Name' onChange={e => onNameChange(e, index)} />
                     </Form.Item>
-                    {fields.length > 1 ? (
-                      <MinusCircleOutlined className='dynamic-delete-button' onClick={() => remove(field.name)} />
-                    ) : null}
-                  </Form.Item>
+
+                    <Form.Item
+                      {...restField}
+                      name={[name, 'label']}
+                      label='标题'
+                      style={{ width: 130 }}
+                      rules={[{ required: true, message: 'Missing parameter label' }]}
+                    >
+                      <Input placeholder='Parameter Label' />
+                    </Form.Item>
+
+                    <Form.Item
+                      {...restField}
+                      name={[name, 'value_type']}
+                      label='类型'
+                      style={{ width: 100 }}
+                      rules={[{ required: true, message: 'Missing parameter type' }]}
+                    >
+                      <Select placeholder='Select' onChange={value => onValueTypeChange(value, index)}>
+                        {['str', 'int', 'float', 'bool', 'ref'].map(type => (
+                          <Option key={type} value={type}>
+                            {type}
+                          </Option>
+                        ))}
+                      </Select>
+                    </Form.Item>
+
+                    <Form.Item
+                      {...restField}
+                      name={[name, 'value']}
+                      label='值'
+                      style={{ width: 320 }}
+                      rules={[{ required: true, message: 'Missing parameter value' }]}
+                    >
+                      <Input placeholder='Parameter Value' />
+                    </Form.Item>
+
+                    <Form.Item {...restField} name={[name, 'description']} label='描述' style={{ width: 170 }}>
+                      <Input placeholder='Parameter Description' />
+                    </Form.Item>
+
+                    <MinusCircleOutlined onClick={() => remove(name)} />
+                  </Space>
                 ))}
 
                 <Form.Item>
-                  <Button type='dashed' onClick={() => add()} className='w-full' icon={<PlusOutlined />}>
-                    Add field
+                  <Button type='dashed' onClick={() => add()} block icon={<PlusOutlined />}>
+                    {t('Add_Parameter')}
                   </Button>
-
-                  <Form.ErrorList errors={errors} />
                 </Form.Item>
               </>
             )}
           </Form.List>
-
-          <Form.Item wrapperCol={{ offset: 18, span: 8 }}>
-            <Button type='primary' htmlType='submit'>
-              Submit
-            </Button>
+          <Form.Item wrapperCol={{ offset: 20, span: 4 }}>
+            <Space>
+              <Button onClick={() => setIsModalOpen(false)}>{t('cancel')}</Button>
+              <Button type='primary' htmlType='submit'>
+                {t('verify')}
+              </Button>
+            </Space>
           </Form.Item>
         </Form>
       </Modal>
diff --git a/web/components/flow/canvas-modal/export-flow-modal.tsx b/web/components/flow/canvas-modal/export-flow-modal.tsx
index 31850dc56..0d056abac 100644
--- a/web/components/flow/canvas-modal/export-flow-modal.tsx
+++ b/web/components/flow/canvas-modal/export-flow-modal.tsx
@@ -43,7 +43,6 @@ export const ExportFlowModal: React.FC<Props> = ({
   return (
     <>
       <Modal
-        centered
         title={t('Export_Flow')}
         open={isExportFlowModalOpen}
         onCancel={() => setIsExportFlowModalOpen(false)}
diff --git a/web/components/flow/canvas-modal/import-flow-modal.tsx b/web/components/flow/canvas-modal/import-flow-modal.tsx
index fbf7e87df..803f37d92 100644
--- a/web/components/flow/canvas-modal/import-flow-modal.tsx
+++ b/web/components/flow/canvas-modal/import-flow-modal.tsx
@@ -61,7 +61,6 @@ export const ImportFlowModal: React.FC<Props> = ({ isImportModalOpen, setIsImpor
   return (
     <>
       <Modal
-        centered
         title={t('Import_Flow')}
         open={isImportModalOpen}
         onCancel={() => setIsImportFlowModalOpen(false)}
diff --git a/web/components/flow/canvas-modal/save-flow-modal.tsx b/web/components/flow/canvas-modal/save-flow-modal.tsx
index 64faac882..708f6f768 100644
--- a/web/components/flow/canvas-modal/save-flow-modal.tsx
+++ b/web/components/flow/canvas-modal/save-flow-modal.tsx
@@ -89,7 +89,6 @@ export const SaveFlowModal: React.FC<Props> = ({
   return (
     <>
       <Modal
-        centered
         title={t('flow_modal_title')}
         open={isSaveFlowModalOpen}
         onCancel={() => {
@@ -142,7 +141,7 @@ export const SaveFlowModal: React.FC<Props> = ({
             <TextArea rows={3} />
           </Form.Item>
 
-          <Form.Item label='Editable' name='editable' initialValue={flowInfo?.editable} valuePropName='checked'>
+          <Form.Item label='Editable' name='editable' initialValue={flowInfo?.editable || true} valuePropName='checked'>
             <Checkbox />
           </Form.Item>
 
diff --git a/web/locales/en/flow.ts b/web/locales/en/flow.ts
index 396e6d5ee..4a9ced0c5 100644
--- a/web/locales/en/flow.ts
+++ b/web/locales/en/flow.ts
@@ -18,4 +18,5 @@ export const FlowEn = {
   No: 'No',
   Please_Add_Nodes_First: 'Please add nodes first',
   Add_Global_Variable_of_Flow: 'Add global variable of flow',
+  Add_Parameter: 'Add Parameter',
 };
diff --git a/web/locales/zh/flow.ts b/web/locales/zh/flow.ts
index 338c6df50..b06216f24 100644
--- a/web/locales/zh/flow.ts
+++ b/web/locales/zh/flow.ts
@@ -18,4 +18,5 @@ export const FlowZn = {
   No: '否',
   Please_Add_Nodes_First: '请先添加节点',
   Add_Global_Variable_of_Flow: '添加 Flow 全局变量',
+  Add_Parameter: '添加参数',
 };