diff --git a/web/app/(commonLayout)/app/(appDetailLayout)/[appId]/develop/page.tsx b/web/app/(commonLayout)/app/(appDetailLayout)/[appId]/develop/page.tsx
index d544059a84..4101120703 100644
--- a/web/app/(commonLayout)/app/(appDetailLayout)/[appId]/develop/page.tsx
+++ b/web/app/(commonLayout)/app/(appDetailLayout)/[appId]/develop/page.tsx
@@ -1,5 +1,4 @@
 import React from 'react'
-import { getDictionary } from '@/i18n/server'
 import { type Locale } from '@/i18n'
 import DevelopMain from '@/app/components/develop'
 
@@ -8,11 +7,9 @@ export type IDevelopProps = {
 }
 
 const Develop = async ({
-  params: { locale, appId },
+  params: { appId },
 }: IDevelopProps) => {
-  const dictionary = await getDictionary(locale)
-
-  return <DevelopMain appId={appId} dictionary={dictionary} />
+  return <DevelopMain appId={appId} />
 }
 
 export default Develop
diff --git a/web/app/components/develop/index.tsx b/web/app/components/develop/index.tsx
index a8a16d0ff3..5034a1db7d 100644
--- a/web/app/components/develop/index.tsx
+++ b/web/app/components/develop/index.tsx
@@ -9,20 +9,17 @@ import { fetchAppDetail } from '@/service/apps'
 
 type IDevelopMainProps = {
   appId: string
-  dictionary: any
 }
 
-const DevelopMain = ({ appId, dictionary }: IDevelopMainProps) => {
+const DevelopMain = ({ appId }: IDevelopMainProps) => {
   const commonParams = { url: '/apps', id: appId }
   const { data: appDetail } = useSWR(commonParams, fetchAppDetail)
   const { t } = useTranslation()
 
-  // const serverApi = `${appDetail?.site?.app_base_url}/api/${appDetail?.site?.access_token}`
-
   return (
     <div className='relative flex flex-col h-full overflow-hidden'>
       <div className='flex items-center justify-between flex-shrink-0 px-6 border-b border-solid py-2 border-b-gray-100'>
-        <div className='text-lg font-medium text-gray-900'>{dictionary.app?.develop?.title}</div>
+        <div className='text-lg font-medium text-gray-900'></div>
         <div className='flex items-center flex-wrap gap-y-1'>
           <InputCopy className='flex-shrink-0 mr-1 w-52 sm:w-80' value={appDetail?.api_base_url}>
             <div className={`ml-2 border border-gray-200 border-solid flex-shrink-0 px-2 py-0.5 rounded-[6px] text-gray-500 text-[0.625rem] ${s.customApi}`}>
diff --git a/web/app/components/i18n-server.tsx b/web/app/components/i18n-server.tsx
index 39a5f7ca1d..25e999ed48 100644
--- a/web/app/components/i18n-server.tsx
+++ b/web/app/components/i18n-server.tsx
@@ -1,7 +1,7 @@
 import React from 'react'
 import I18N from './i18n'
 import { ToastProvider } from './base/toast'
-import { getDictionary, getLocaleOnServer } from '@/i18n/server'
+import { getLocaleOnServer } from '@/i18n/server'
 
 export type II18NServerProps = {
   children: React.ReactNode
@@ -11,10 +11,9 @@ const I18NServer = async ({
   children,
 }: II18NServerProps) => {
   const locale = getLocaleOnServer()
-  const dictionary = await getDictionary(locale)
 
   return (
-    <I18N {...{ locale, dictionary }}>
+    <I18N {...{ locale }}>
       <ToastProvider>{children}</ToastProvider>
     </I18N>
   )
diff --git a/web/app/components/i18n.tsx b/web/app/components/i18n.tsx
index 32e1c93073..4166449e76 100644
--- a/web/app/components/i18n.tsx
+++ b/web/app/components/i18n.tsx
@@ -9,12 +9,10 @@ import { setLocaleOnClient } from '@/i18n/client'
 
 export type II18nProps = {
   locale: Locale
-  dictionary: Record<string, any>
   children: React.ReactNode
 }
 const I18n: FC<II18nProps> = ({
   locale,
-  dictionary,
   children,
 }) => {
   useEffect(() => {
@@ -24,7 +22,7 @@ const I18n: FC<II18nProps> = ({
   return (
     <I18NContext.Provider value={{
       locale,
-      i18n: dictionary,
+      i18n: {},
       setLocaleOnClient,
     }}>
       {children}
diff --git a/web/app/components/share/text-generation/history/index.tsx b/web/app/components/share/text-generation/history/index.tsx
deleted file mode 100644
index a100c98a17..0000000000
--- a/web/app/components/share/text-generation/history/index.tsx
+++ /dev/null
@@ -1,79 +0,0 @@
-'use client'
-import React, { useState } from 'react'
-import useSWR from 'swr'
-import {
-  ChevronDownIcon,
-  ChevronUpIcon,
-} from '@heroicons/react/24/outline'
-import { fetchHistories } from '@/models/history'
-import type { History as HistoryItem } from '@/models/history'
-import Loading from '@/app/components/base/loading'
-import { mockAPI } from '@/test/test_util'
-
-mockAPI()
-
-export type IHistoryProps = {
-  dictionary: any
-}
-
-const HistoryCard = (
-  { history }: { history: HistoryItem },
-) => {
-  return (
-    <div className='p-4 h-32 bg-gray-50 border-gray-200 rounded-lg relative flex flex-col justify-between items-center cursor-pointer'>
-      <div className='text-gray-700 text-sm'>
-        {history.source}
-      </div>
-      <div className="absolute inset-0 flex items-center m-4" aria-hidden="true">
-        <div className="w-full border-t border-gray-100" />
-      </div>
-      <div className='text-gray-700 text-sm'>
-        {history.target}
-      </div>
-    </div>
-  )
-}
-
-const History = ({
-  dictionary,
-}: IHistoryProps) => {
-  const { data, error } = useSWR('http://localhost:3000/api/histories', fetchHistories)
-  const [showHistory, setShowHistory] = useState(false)
-
-  const DivideLine = () => {
-    return <div className="mt-6 relative">
-      {/* divider line */}
-      <div className="absolute inset-0 flex items-center" aria-hidden="true">
-        <div className="w-full border-t border-gray-300" />
-      </div>
-      <div className="relative flex justify-center flex-col items-center">
-        {!showHistory ? <ChevronUpIcon className="h-3 w-3 text-gray-500" aria-hidden="true" /> : <div className='h-3 w-3' />}
-        <span className="px-2 bg-white text-sm font-medium text-gray-600 cursor-pointer">{dictionary.app.textGeneration.history}</span>
-        {!showHistory ? <div className='h-3 w-3' /> : <ChevronDownIcon className="h-3 w-3 text-gray-500" aria-hidden="true" />}
-      </div>
-    </div>
-  }
-
-  if (error)
-    return <div>failed to load</div>
-  if (!data)
-    return <Loading />
-  return showHistory
-    ? <div className='w-1/2 block fixed bottom-0 right-0 px-10 py-4' onClick={
-      () => setShowHistory(v => !v)
-    }>
-      <DivideLine />
-      <div
-        className='mt-4 grid grid-cols-3 space-x-4 h-[400px] overflow-auto'
-      >
-        {data.histories.map((item: HistoryItem) =>
-          <HistoryCard key={item.id} history={item} />)}
-      </div>
-    </div>
-    : <div className='w-1/2 block fixed bottom-0 right-0 px-10 py-4' onClick={
-      () => setShowHistory(true)
-    }>
-      <DivideLine />
-    </div>
-}
-export default History
diff --git a/web/dictionaries/en.json b/web/dictionaries/en.json
deleted file mode 100644
index 2ec65fce67..0000000000
--- a/web/dictionaries/en.json
+++ /dev/null
@@ -1,27 +0,0 @@
-{
-  "common": {
-    "confrim": "Confirm",
-    "cancel": "Cancel",
-    "refresh": "Refresh"
-  },
-  "index": {
-    "welcome": "Welcome to "
-  },
-  "signin": {},
-  "app": {
-    "overview": {
-      "title": "Overview",
-      "To get started,": "To get started,",
-      "enter your OpenAI API key below": "enter your OpenAI API key below",
-      "Get your API key from OpenAI dashboard": "Get your API key from OpenAI dashboard",
-      "Token Usage": "Token Usage"
-    },
-    "logs": {
-      "title": "Logs",
-      "description": "You can review and annotate the conversation and response text of the LLM, which will be used for subsequent model fine-tuning."
-    },
-    "textGeneration": {
-      "history": "History"
-    }
-  }
-}
\ No newline at end of file
diff --git a/web/dictionaries/zh-Hans.json b/web/dictionaries/zh-Hans.json
deleted file mode 100644
index e88b03b733..0000000000
--- a/web/dictionaries/zh-Hans.json
+++ /dev/null
@@ -1,27 +0,0 @@
-{
-  "common": {
-    "confrim": "确定",
-    "cancel": "取消",
-    "refresh": "刷新"
-  },
-  "index": {
-    "welcome": "欢迎来到 "
-  },
-  "signin": {},
-  "app": {
-    "overview": {
-      "title": "概览",
-      "To get started,": "从这里开始",
-      "enter your OpenAI API key below 👇": "输入你的 OpenAI API 密钥👇",
-      "Get your API key from OpenAI dashboard": "去 OpenAI 管理面板获取",
-      "Token Usage": "Token 消耗"
-    },
-    "logs": {
-      "title": "日志",
-      "description": "日志记录了应用的运行情况，包括用户的输入和 AI 的回复。"
-    },
-    "textGeneration": {
-      "history": "历史"
-    }
-  }
-}
\ No newline at end of file
diff --git a/web/i18n/server.ts b/web/i18n/server.ts
index ac9630dd49..5b97004bb0 100644
--- a/web/i18n/server.ts
+++ b/web/i18n/server.ts
@@ -27,17 +27,3 @@ export const getLocaleOnServer = (): Locale => {
   const matchedLocale = match(languages, locales, i18n.defaultLocale) as Locale
   return matchedLocale
 }
-
-// We enumerate all dictionaries here for better linting and typescript support
-// We also get the default import for cleaner types
-const dictionaries = {
-  'en': () => import('@/dictionaries/en.json').then(module => module.default),
-  'zh-Hans': () => import('@/dictionaries/zh-Hans.json').then(module => module.default),
-} as { [locale: string]: () => Promise<any> }
-
-export const getDictionary = async (locale: Locale = 'en') => {
-  try {
-    return await dictionaries[locale]()
-  }
-  catch (e) { console.error('locale not found', locale) }
-}
diff --git a/web/middleware.ts b/web/middleware.ts
deleted file mode 100644
index 7d616d0f93..0000000000
--- a/web/middleware.ts
+++ /dev/null
@@ -1,44 +0,0 @@
-import { match } from '@formatjs/intl-localematcher'
-import Negotiator from 'negotiator'
-import { NextResponse } from 'next/server'
-import type { NextRequest } from 'next/server'
-import type { Locale } from './i18n'
-import { i18n } from './i18n'
-
-export const getLocale = (request: NextRequest): Locale => {
-  // @ts-expect-error locales are readonly
-  const locales: Locale[] = i18n.locales
-
-  let languages: string[] | undefined
-  // get locale from cookie
-  const localeCookie = request.cookies.get('locale')
-  languages = localeCookie?.value ? [localeCookie.value] : []
-
-  if (!languages.length) {
-    // Negotiator expects plain object so we need to transform headers
-    const negotiatorHeaders: Record<string, string> = {}
-    request.headers.forEach((value, key) => (negotiatorHeaders[key] = value))
-    // Use negotiator and intl-localematcher to get best locale
-    languages = new Negotiator({ headers: negotiatorHeaders }).languages()
-  }
-
-  // match locale
-  let matchedLocale: Locale = i18n.defaultLocale
-  try {
-    // If languages is ['*'], Error would happen in match function.
-    matchedLocale = match(languages, locales, i18n.defaultLocale) as Locale
-  }
-  catch (e) {}
-  return matchedLocale
-}
-
-export const middleware = async (request: NextRequest) => {
-  const pathname = request.nextUrl.pathname
-  if (/\.(css|js(on)?|ico|svg|png)$/.test(pathname))
-    return
-
-  const locale = getLocale(request)
-  const response = NextResponse.next()
-  response.cookies.set('locale', locale)
-  return response
-}
diff --git a/web/models/history.ts b/web/models/history.ts
deleted file mode 100644
index 90d6245cb9..0000000000
--- a/web/models/history.ts
+++ /dev/null
@@ -1,11 +0,0 @@
-export type History = {
-  id: string
-  source: string
-  target: string
-}
-export type HistoryResponse = {
-  histories: History[]
-}
-
-export const fetchHistories = (url: string) =>
-  fetch(url).then<HistoryResponse>(r => r.json())
diff --git a/web/test/factories/index.ts b/web/test/factories/index.ts
index b36719fa75..07da804e84 100644
--- a/web/test/factories/index.ts
+++ b/web/test/factories/index.ts
@@ -1,20 +1,7 @@
 import { Factory } from 'miragejs'
 import { faker } from '@faker-js/faker'
 
-import type { History } from '@/models/history'
 import type { User } from '@/models/user'
-import type { Log } from '@/models/log'
-
-export const seedHistory = () => {
-  return Factory.extend<Partial<History>>({
-    source() {
-      return faker.address.streetAddress()
-    },
-    target() {
-      return faker.address.streetAddress()
-    },
-  })
-}
 
 export const seedUser = () => {
   return Factory.extend<Partial<User>>({
@@ -41,26 +28,3 @@ export const seedUser = () => {
     },
   })
 }
-
-export const seedLog = () => {
-  return Factory.extend<Partial<Log>>({
-    get key() {
-      return faker.datatype.uuid()
-    },
-    get conversationId() {
-      return faker.datatype.uuid()
-    },
-    get question() {
-      return faker.lorem.sentence()
-    },
-    get answer() {
-      return faker.lorem.sentence()
-    },
-    get userRate() {
-      return faker.datatype.number(5)
-    },
-    get adminRate() {
-      return faker.datatype.number(5)
-    },
-  })
-}
diff --git a/web/test/test_util.ts b/web/test/test_util.ts
deleted file mode 100644
index 6495919cea..0000000000
--- a/web/test/test_util.ts
+++ /dev/null
@@ -1,44 +0,0 @@
-import { Model, createServer } from 'miragejs'
-import type { User } from '@/models/user'
-import type { History } from '@/models/history'
-import type { Log } from '@/models/log'
-import { seedHistory, seedLog, seedUser } from '@/test/factories'
-
-export function mockAPI() {
-  if (process.env.NODE_ENV === 'development') {
-    console.log('in development mode, starting mock server ... ')
-    const server = createServer({
-      environment: process.env.NODE_ENV,
-      factories: {
-        user: seedUser(),
-        history: seedHistory(),
-        log: seedLog(),
-      },
-      models: {
-        user: Model.extend<Partial<User>>({}),
-        history: Model.extend<Partial<History>>({}),
-        log: Model.extend<Partial<Log>>({}),
-      },
-      routes() {
-        this.namespace = '/api'
-        this.get('/users', () => {
-          return this.schema.all('user')
-        })
-        this.get('/histories', () => {
-          return this.schema.all('history')
-        })
-        this.get('/logs', () => {
-          return this.schema.all('log')
-        })
-      },
-      seeds(server) {
-        server.createList('user', 20)
-        server.createList('history', 50)
-        server.createList('log', 50)
-      },
-    })
-    return server
-  }
-  console.log('Not in development mode, not starting mock server ... ')
-  return null
-}