diff --git a/service/src/chatgpt/index.ts b/service/src/chatgpt/index.ts
index c0994ee..772e4df 100644
--- a/service/src/chatgpt/index.ts
+++ b/service/src/chatgpt/index.ts
@@ -9,6 +9,9 @@ import axios from 'axios'
 import { sendResponse } from '../utils'
 import { isNotEmptyString } from '../utils/is'
 import type { ApiModel, ChatContext, ChatGPTUnofficialProxyAPIOptions, ModelConfig } from '../types'
+import type { RequestOptions } from './types'
+
+dotenv.config()
 
 const ErrorCodeMessage: Record<string, string> = {
   401: '[OpenAI] 提供错误的API密钥 | Incorrect API key provided',
@@ -19,13 +22,11 @@ const ErrorCodeMessage: Record<string, string> = {
   500: '[OpenAI] 服务器繁忙，请稍后再试 | Internal Server Error',
 }
 
-dotenv.config()
-
 const timeoutMs: number = !isNaN(+process.env.TIMEOUT_MS) ? +process.env.TIMEOUT_MS : 30 * 1000
 
 let apiModel: ApiModel
 
-if (!process.env.OPENAI_API_KEY && !process.env.OPENAI_ACCESS_TOKEN)
+if (!isNotEmptyString(process.env.OPENAI_API_KEY) && !isNotEmptyString(process.env.OPENAI_ACCESS_TOKEN))
   throw new Error('Missing OPENAI_API_KEY or OPENAI_ACCESS_TOKEN environment variable')
 
 let api: ChatGPTAPI | ChatGPTUnofficialProxyAPI
@@ -33,7 +34,7 @@ let api: ChatGPTAPI | ChatGPTUnofficialProxyAPI
 (async () => {
   // More Info: https://github.com/transitive-bullshit/chatgpt-api
 
-  if (process.env.OPENAI_API_KEY) {
+  if (isNotEmptyString(process.env.OPENAI_API_KEY)) {
     const OPENAI_API_MODEL = process.env.OPENAI_API_MODEL
     const model = isNotEmptyString(OPENAI_API_MODEL) ? OPENAI_API_MODEL : 'gpt-3.5-turbo'
 
@@ -67,17 +68,19 @@ let api: ChatGPTAPI | ChatGPTUnofficialProxyAPI
   }
 })()
 
-async function chatReplyProcess(
-  message: string,
-  lastContext?: { conversationId?: string; parentMessageId?: string },
-  process?: (chat: ChatMessage) => void,
-) {
+async function chatReplyProcess(options: RequestOptions) {
+  const { message, lastContext, process, systemMessage } = options
   try {
     let options: SendMessageOptions = { timeoutMs }
 
-    if (lastContext) {
+    if (apiModel === 'ChatGPTAPI') {
+      if (isNotEmptyString(systemMessage))
+        options.systemMessage = systemMessage
+    }
+
+    if (lastContext != null) {
       if (apiModel === 'ChatGPTAPI')
-        options = { parentMessageId: lastContext.parentMessageId }
+        options.parentMessageId = lastContext.parentMessageId
       else
         options = { ...lastContext }
     }
diff --git a/service/src/chatgpt/types.ts b/service/src/chatgpt/types.ts
new file mode 100644
index 0000000..1e65f4c
--- /dev/null
+++ b/service/src/chatgpt/types.ts
@@ -0,0 +1,8 @@
+import type { ChatMessage } from 'chatgpt'
+
+export interface RequestOptions {
+  message: string
+  lastContext?: { conversationId?: string; parentMessageId?: string }
+  process?: (chat: ChatMessage) => void
+  systemMessage?: string
+}
diff --git a/service/src/index.ts b/service/src/index.ts
index a201b86..b011039 100644
--- a/service/src/index.ts
+++ b/service/src/index.ts
@@ -1,5 +1,6 @@
 import express from 'express'
-import type { ChatContext, ChatMessage } from './chatgpt'
+import type { RequestProps } from './types'
+import type { ChatMessage } from './chatgpt'
 import { chatConfig, chatReplyProcess, currentModel } from './chatgpt'
 import { auth } from './middleware/auth'
 import { limiter } from './middleware/limiter'
@@ -22,11 +23,16 @@ router.post('/chat-process', [auth, limiter], async (req, res) => {
   res.setHeader('Content-type', 'application/octet-stream')
 
   try {
-    const { prompt, options = {} } = req.body as { prompt: string; options?: ChatContext }
+    const { prompt, options = {}, systemMessage } = req.body as RequestProps
     let firstChunk = true
-    await chatReplyProcess(prompt, options, (chat: ChatMessage) => {
-      res.write(firstChunk ? JSON.stringify(chat) : `\n${JSON.stringify(chat)}`)
-      firstChunk = false
+    await chatReplyProcess({
+      message: prompt,
+      lastContext: options,
+      process: (chat: ChatMessage) => {
+        res.write(firstChunk ? JSON.stringify(chat) : `\n${JSON.stringify(chat)}`)
+        firstChunk = false
+      },
+      systemMessage,
     })
   }
   catch (error) {
diff --git a/service/src/types.ts b/service/src/types.ts
index 12c8b04..fdbf68c 100644
--- a/service/src/types.ts
+++ b/service/src/types.ts
@@ -1,5 +1,11 @@
 import type { FetchFn } from 'chatgpt'
 
+export interface RequestProps {
+  prompt: string
+  options?: ChatContext
+  systemMessage: string
+}
+
 export interface ChatContext {
   conversationId?: string
   parentMessageId?: string
diff --git a/src/api/index.ts b/src/api/index.ts
index e576ab1..9f61fc5 100644
--- a/src/api/index.ts
+++ b/src/api/index.ts
@@ -1,5 +1,6 @@
 import type { AxiosProgressEvent, GenericAbortSignal } from 'axios'
 import { post } from '@/utils/request'
+import { useSettingStore } from '@/store'
 
 export function fetchChatAPI<T = any>(
   prompt: string,
@@ -26,9 +27,11 @@ export function fetchChatAPIProcess<T = any>(
     signal?: GenericAbortSignal
     onDownloadProgress?: (progressEvent: AxiosProgressEvent) => void },
 ) {
+  const settingStore = useSettingStore()
+
   return post<T>({
     url: '/chat-process',
-    data: { prompt: params.prompt, options: params.options },
+    data: { prompt: params.prompt, options: params.options, systemMessage: settingStore.systemMessage },
     signal: params.signal,
     onDownloadProgress: params.onDownloadProgress,
   })
diff --git a/src/components/common/Setting/Advanced.vue b/src/components/common/Setting/Advanced.vue
new file mode 100644
index 0000000..62c5851
--- /dev/null
+++ b/src/components/common/Setting/Advanced.vue
@@ -0,0 +1,46 @@
+<script lang="ts" setup>
+import { ref } from 'vue'
+import { NButton, NInput, useMessage } from 'naive-ui'
+import { useSettingStore } from '@/store'
+import type { SettingsState } from '@/store/modules/settings/helper'
+import { t } from '@/locales'
+
+const settingStore = useSettingStore()
+
+const ms = useMessage()
+
+const systemMessage = ref(settingStore.systemMessage ?? '')
+
+function updateSettings(options: Partial<SettingsState>) {
+  settingStore.updateSetting(options)
+  ms.success(t('common.success'))
+}
+
+function handleReset() {
+  settingStore.resetSetting()
+  ms.success(t('common.success'))
+  window.location.reload()
+}
+</script>
+
+<template>
+  <div class="p-4 space-y-5 min-h-[200px]">
+    <div class="space-y-6">
+      <div class="flex items-center space-x-4">
+        <span class="flex-shrink-0 w-[100px]">{{ $t('setting.role') }}</span>
+        <div class="flex-1">
+          <NInput v-model:value="systemMessage" placeholder="" />
+        </div>
+        <NButton size="tiny" text type="primary" @click="updateSettings({ systemMessage })">
+          {{ $t('common.save') }}
+        </NButton>
+      </div>
+      <div class="flex items-center space-x-4">
+        <span class="flex-shrink-0 w-[100px]">&nbsp;</span>
+        <NButton size="small" @click="handleReset">
+          {{ $t('common.reset') }}
+        </NButton>
+      </div>
+    </div>
+  </div>
+</template>
diff --git a/src/components/common/Setting/General.vue b/src/components/common/Setting/General.vue
index bb9514a..d6383b9 100644
--- a/src/components/common/Setting/General.vue
+++ b/src/components/common/Setting/General.vue
@@ -150,7 +150,6 @@ function handleImportButtonClick(): void {
           {{ $t('common.save') }}
         </NButton>
       </div>
-
       <div
         class="flex items-center space-x-4"
         :class="isMobile && 'items-start'"
diff --git a/src/components/common/Setting/index.vue b/src/components/common/Setting/index.vue
index e14f97c..4128b34 100644
--- a/src/components/common/Setting/index.vue
+++ b/src/components/common/Setting/index.vue
@@ -2,13 +2,11 @@
 import { computed, ref } from 'vue'
 import { NModal, NTabPane, NTabs } from 'naive-ui'
 import General from './General.vue'
+import Advanced from './Advanced.vue'
 import About from './About.vue'
+import { useAuthStore } from '@/store'
 import { SvgIcon } from '@/components/common'
 
-const props = defineProps<Props>()
-
-const emit = defineEmits<Emit>()
-
 interface Props {
   visible: boolean
 }
@@ -17,6 +15,14 @@ interface Emit {
   (e: 'update:visible', visible: boolean): void
 }
 
+const props = defineProps<Props>()
+
+const emit = defineEmits<Emit>()
+
+const authStore = useAuthStore()
+
+const isChatGPTAPI = computed<boolean>(() => !!authStore.isChatGPTAPI)
+
 const active = ref('General')
 
 const show = computed({
@@ -42,6 +48,15 @@ const show = computed({
             <General />
           </div>
         </NTabPane>
+        <NTabPane v-if="isChatGPTAPI" name="Advanced" tab="Advanced">
+          <template #tab>
+            <SvgIcon class="text-lg" icon="ri:equalizer-line" />
+            <span class="ml-2">{{ $t('setting.advanced') }}</span>
+          </template>
+          <div class="min-h-[100px]">
+            <Advanced />
+          </div>
+        </NTabPane>
         <NTabPane name="Config" tab="Config">
           <template #tab>
             <SvgIcon class="text-lg" icon="ri:list-settings-line" />
diff --git a/src/locales/en-US.ts b/src/locales/en-US.ts
index 7021f16..357b5ec 100644
--- a/src/locales/en-US.ts
+++ b/src/locales/en-US.ts
@@ -52,10 +52,12 @@ export default {
   setting: {
     setting: 'Setting',
     general: 'General',
+    advanced: 'Advanced',
     config: 'Config',
     avatarLink: 'Avatar Link',
     name: 'Name',
     description: 'Description',
+    role: 'Role',
     resetUserInfo: 'Reset UserInfo',
     chatHistory: 'ChatHistory',
     theme: 'Theme',
diff --git a/src/locales/zh-CN.ts b/src/locales/zh-CN.ts
index 0d7be66..d2ebd00 100644
--- a/src/locales/zh-CN.ts
+++ b/src/locales/zh-CN.ts
@@ -52,10 +52,12 @@ export default {
   setting: {
     setting: '设置',
     general: '总览',
+    advanced: '高级',
     config: '配置',
     avatarLink: '头像链接',
     name: '名称',
     description: '描述',
+    role: '角色设定',
     resetUserInfo: '重置用户信息',
     chatHistory: '聊天记录',
     theme: '主题',
diff --git a/src/locales/zh-TW.ts b/src/locales/zh-TW.ts
index 4433829..68f4b27 100644
--- a/src/locales/zh-TW.ts
+++ b/src/locales/zh-TW.ts
@@ -52,10 +52,12 @@ export default {
   setting: {
     setting: '設定',
     general: '總覽',
+    advanced: '高級',
     config: '設定',
     avatarLink: '頭貼連結',
     name: '名稱',
     description: '描述',
+    role: '角色設定',
     resetUserInfo: '重設使用者資訊',
     chatHistory: '紀錄',
     theme: '主題',
diff --git a/src/store/modules/index.ts b/src/store/modules/index.ts
index 74e4825..25ab4f1 100644
--- a/src/store/modules/index.ts
+++ b/src/store/modules/index.ts
@@ -2,4 +2,5 @@ export * from './app'
 export * from './chat'
 export * from './user'
 export * from './prompt'
+export * from './settings'
 export * from './auth'
diff --git a/src/store/modules/settings/helper.ts b/src/store/modules/settings/helper.ts
new file mode 100644
index 0000000..98e932b
--- /dev/null
+++ b/src/store/modules/settings/helper.ts
@@ -0,0 +1,23 @@
+import { ss } from '@/utils/storage'
+
+const LOCAL_NAME = 'settingsStorage'
+
+export interface SettingsState {
+  systemMessage: string
+}
+
+export function defaultSetting(): SettingsState {
+  const currentDate = new Date().toISOString().split('T')[0]
+  return {
+    systemMessage: `You are ChatGPT, a large language model trained by OpenAI. Answer as concisely as possible.\nKnowledge cutoff: 2021-09-01\nCurrent date: ${currentDate}`,
+  }
+}
+
+export function getLocalState(): SettingsState {
+  const localSetting: SettingsState | undefined = ss.get(LOCAL_NAME)
+  return { ...defaultSetting(), ...localSetting }
+}
+
+export function setLocalState(setting: SettingsState): void {
+  ss.set(LOCAL_NAME, setting)
+}
diff --git a/src/store/modules/settings/index.ts b/src/store/modules/settings/index.ts
new file mode 100644
index 0000000..7f7931b
--- /dev/null
+++ b/src/store/modules/settings/index.ts
@@ -0,0 +1,22 @@
+import { defineStore } from 'pinia'
+import type { SettingsState } from './helper'
+import { defaultSetting, getLocalState, setLocalState } from './helper'
+
+export const useSettingStore = defineStore('setting-store', {
+  state: (): SettingsState => getLocalState(),
+  actions: {
+    updateSetting(settings: Partial<SettingsState>) {
+      this.$state = { ...this.$state, ...settings }
+      this.recordState()
+    },
+
+    resetSetting() {
+      this.$state = defaultSetting()
+      this.recordState()
+    },
+
+    recordState() {
+      setLocalState(this.$state)
+    },
+  },
+})