diff --git a/src/renderer/src/hooks/useAssistant.ts b/src/renderer/src/hooks/useAssistant.ts
index 7546953a..a7c37e04 100644
--- a/src/renderer/src/hooks/useAssistant.ts
+++ b/src/renderer/src/hooks/useAssistant.ts
@@ -30,11 +30,6 @@ export function useAssistants() {
   }
 }
 
-export function useDefaultModel() {
-  const defaultModel = useAppSelector((state) => state.llm.defaultModel)
-  return { defaultModel }
-}
-
 export function useAssistant(id: string) {
   const assistant = useAppSelector((state) => state.assistants.assistants.find((a) => a.id === id) as Assistant)
   const dispatch = useAppDispatch()
@@ -60,3 +55,8 @@ export function useAssistant(id: string) {
     }
   }
 }
+
+export function useDefaultModel() {
+  const defaultModel = useAppSelector((state) => state.llm.defaultModel)
+  return { defaultModel }
+}
diff --git a/src/renderer/src/hooks/useProvider.ts b/src/renderer/src/hooks/useProvider.ts
index 650396fc..6427ecbc 100644
--- a/src/renderer/src/hooks/useProvider.ts
+++ b/src/renderer/src/hooks/useProvider.ts
@@ -31,10 +31,6 @@ export function useProviderByAssistant(assistant: Assistant) {
   return provider
 }
 
-export function useDefaultProvider() {
-  return useAppSelector((state) => state.llm.providers.find((p) => p.isDefault))
-}
-
 export function useSystemProviders() {
-  return useAppSelector((state) => state.llm.providers.filter((p) => p.isSystem))
+  return useAppSelector((state) => state.llm.providers.filter((p) => p.isSystem)) as unknown as Provider
 }
diff --git a/src/renderer/src/pages/home/HomePage.tsx b/src/renderer/src/pages/home/HomePage.tsx
index 7ccf76d9..e8e558eb 100644
--- a/src/renderer/src/pages/home/HomePage.tsx
+++ b/src/renderer/src/pages/home/HomePage.tsx
@@ -2,13 +2,13 @@ import { Navbar, NavbarLeft, NavbarRight } from '@renderer/components/app/Navbar
 import { useAssistants } from '@renderer/hooks/useAssistant'
 import { FC, useState } from 'react'
 import styled from 'styled-components'
-import Chat from './components/Chat/Chat'
+import Chat from './components/Chat'
 import Assistants from './components/Assistants'
 import { uuid } from '@renderer/utils'
 import { getDefaultAssistant } from '@renderer/services/assistant'
 import { useShowRightSidebar } from '@renderer/hooks/useStore'
 import { Tooltip } from 'antd'
-import NavigationCenter from './components/Chat/NavigationCenter'
+import Navigation from './components/Navigation'
 
 const HomePage: FC = () => {
   const { assistants, addAssistant } = useAssistants()
@@ -30,7 +30,7 @@ const HomePage: FC = () => {
             <i className="iconfont icon-a-addchat"></i>
           </NewButton>
         </NavbarLeft>
-        <NavigationCenter activeAssistant={activeAssistant} />
+        <Navigation activeAssistant={activeAssistant} />
         <NavbarRight style={{ justifyContent: 'flex-end', padding: 5 }}>
           <Tooltip placement="left" title={showRightSidebar ? 'Hide Topics' : 'Show Topics'} arrow>
             <NewButton onClick={setShowRightSidebar}>
diff --git a/src/renderer/src/pages/home/components/Chat/Chat.tsx b/src/renderer/src/pages/home/components/Chat.tsx
similarity index 100%
rename from src/renderer/src/pages/home/components/Chat/Chat.tsx
rename to src/renderer/src/pages/home/components/Chat.tsx
diff --git a/src/renderer/src/pages/home/components/Chat/Conversations.tsx b/src/renderer/src/pages/home/components/Conversations.tsx
similarity index 89%
rename from src/renderer/src/pages/home/components/Chat/Conversations.tsx
rename to src/renderer/src/pages/home/components/Conversations.tsx
index 347d735b..71d60b9d 100644
--- a/src/renderer/src/pages/home/components/Chat/Conversations.tsx
+++ b/src/renderer/src/pages/home/components/Conversations.tsx
@@ -38,20 +38,17 @@ const Conversations: FC<Props> = ({ assistant, topic }) => {
 
   const autoRenameTopic = useCallback(async () => {
     if (topic.name === DEFAULT_TOPIC_NAME && messages.length >= 2) {
-      const summaryText = await fetchConversationSummary({ messages })
-      if (summaryText) {
-        updateTopic({ ...topic, name: summaryText })
-      }
+      const summaryText = await fetchConversationSummary({ messages, assistant })
+      summaryText && updateTopic({ ...topic, name: summaryText })
     }
-  }, [messages, topic, updateTopic])
+  }, [assistant, messages, topic, updateTopic])
 
   useEffect(() => {
     const unsubscribes = [
       EventEmitter.on(EVENT_NAMES.SEND_MESSAGE, async (msg: Message) => {
         console.debug({ assistant, provider, message: msg, topic })
-        return
         onSendMessage(msg)
-        fetchChatCompletion({ assistant, provider, message: msg, topic, onResponse: setLastMessage })
+        fetchChatCompletion({ assistant, message: msg, topic, onResponse: setLastMessage })
       }),
       EventEmitter.on(EVENT_NAMES.AI_CHAT_COMPLETION, async (msg: Message) => {
         setLastMessage(null)
@@ -66,12 +63,12 @@ const Conversations: FC<Props> = ({ assistant, topic }) => {
       })
     ]
     return () => unsubscribes.forEach((unsub) => unsub())
-  }, [assistant, autoRenameTopic, onSendMessage, topic, updateTopic])
+  }, [assistant, autoRenameTopic, onSendMessage, provider, topic, updateTopic])
 
   useEffect(() => {
     runAsyncFunction(async () => {
       const messages = await LocalStorage.getTopicMessages(topic.id)
-      setMessages(messages)
+      setMessages(messages || [])
     })
   }, [topic.id])
 
diff --git a/src/renderer/src/pages/home/components/Chat/Inputbar.tsx b/src/renderer/src/pages/home/components/Inputbar.tsx
similarity index 100%
rename from src/renderer/src/pages/home/components/Chat/Inputbar.tsx
rename to src/renderer/src/pages/home/components/Inputbar.tsx
diff --git a/src/renderer/src/pages/home/components/Chat/Message.tsx b/src/renderer/src/pages/home/components/Message.tsx
similarity index 100%
rename from src/renderer/src/pages/home/components/Chat/Message.tsx
rename to src/renderer/src/pages/home/components/Message.tsx
diff --git a/src/renderer/src/pages/home/components/Chat/NavigationCenter.tsx b/src/renderer/src/pages/home/components/Navigation.tsx
similarity index 100%
rename from src/renderer/src/pages/home/components/Chat/NavigationCenter.tsx
rename to src/renderer/src/pages/home/components/Navigation.tsx
diff --git a/src/renderer/src/pages/home/components/Chat/TopicList.tsx b/src/renderer/src/pages/home/components/TopicList.tsx
similarity index 99%
rename from src/renderer/src/pages/home/components/Chat/TopicList.tsx
rename to src/renderer/src/pages/home/components/TopicList.tsx
index 9198efac..a1bc4c24 100644
--- a/src/renderer/src/pages/home/components/Chat/TopicList.tsx
+++ b/src/renderer/src/pages/home/components/TopicList.tsx
@@ -29,7 +29,7 @@ const TopicList: FC<Props> = ({ assistant, activeTopic, setActiveTopic }) => {
         if (currentTopic.current) {
           const messages = await LocalStorage.getTopicMessages(currentTopic.current.id)
           if (messages.length >= 2) {
-            const summaryText = await fetchConversationSummary({ messages })
+            const summaryText = await fetchConversationSummary({ messages, assistant })
             if (summaryText) {
               updateTopic({ ...currentTopic.current, name: summaryText })
             }
diff --git a/src/renderer/src/pages/settings/components/ModalProviderSetting.tsx b/src/renderer/src/pages/settings/components/ModalProviderSetting.tsx
index f2602a10..c979bdf1 100644
--- a/src/renderer/src/pages/settings/components/ModalProviderSetting.tsx
+++ b/src/renderer/src/pages/settings/components/ModalProviderSetting.tsx
@@ -39,7 +39,13 @@ const ModalProviderSetting: FC<Props> = ({ provider }) => {
       <Title>{provider.name}</Title>
       <Divider style={{ width: '100%', margin: '10px 0' }} />
       <SubTitle>API Key</SubTitle>
-      <Input value={apiKey} placeholder="API Key" onChange={(e) => setApiKey(e.target.value)} onBlur={onUpdateApiKey} />
+      <Input
+        value={apiKey}
+        placeholder="API Key"
+        onChange={(e) => setApiKey(e.target.value)}
+        onBlur={onUpdateApiKey}
+        spellCheck={false}
+      />
       <SubTitle>API Host</SubTitle>
       <Input
         value={apiHost}
diff --git a/src/renderer/src/services/api.ts b/src/renderer/src/services/api.ts
index c1ed83c3..8619e373 100644
--- a/src/renderer/src/services/api.ts
+++ b/src/renderer/src/services/api.ts
@@ -3,30 +3,29 @@ import { uuid } from '@renderer/utils'
 import { EVENT_NAMES, EventEmitter } from './event'
 import { ChatCompletionMessageParam, ChatCompletionSystemMessageParam } from 'openai/resources'
 import OpenAI from 'openai'
+import { getAssistantProvider } from './assistant'
 
 interface FetchChatCompletionParams {
   message: Message
   topic: Topic
   assistant: Assistant
-  provider: Provider
   onResponse: (message: Message) => void
 }
 
-export async function fetchChatCompletion({
-  message,
-  topic,
-  assistant,
-  provider,
-  onResponse
-}: FetchChatCompletionParams) {
-  const openaiProvider = new OpenAI({
+const getOpenAiProvider = (provider: Provider) => {
+  return new OpenAI({
     dangerouslyAllowBrowser: true,
     apiKey: provider.apiKey,
     baseURL: `${provider.apiHost}/v1/`
   })
+}
+
+export async function fetchChatCompletion({ message, topic, assistant, onResponse }: FetchChatCompletionParams) {
+  const provider = getAssistantProvider(assistant)
+  const openaiProvider = getOpenAiProvider(provider)
 
   const stream = await openaiProvider.chat.completions.create({
-    model: assistant.model?.name || '',
+    model: assistant.model?.id || '',
     messages: [
       { role: 'system', content: assistant.prompt },
       { role: 'user', content: message.content }
@@ -59,9 +58,13 @@ export async function fetchChatCompletion({
 
 interface FetchConversationSummaryParams {
   messages: Message[]
+  assistant: Assistant
 }
 
-export async function fetchConversationSummary({ messages }: FetchConversationSummaryParams) {
+export async function fetchConversationSummary({ messages, assistant }: FetchConversationSummaryParams) {
+  const provider = getAssistantProvider(assistant)
+  const openaiProvider = getOpenAiProvider(provider)
+
   const userMessages: ChatCompletionMessageParam[] = messages.map((message) => ({
     role: 'user',
     content: message.content
@@ -74,7 +77,7 @@ export async function fetchConversationSummary({ messages }: FetchConversationSu
   }
 
   const response = await openaiProvider.chat.completions.create({
-    model: 'Qwen/Qwen2-7B-Instruct',
+    model: assistant.model?.id || '',
     messages: [systemMessage, ...userMessages],
     stream: false
   })
diff --git a/src/renderer/src/services/assistant.ts b/src/renderer/src/services/assistant.ts
index 770c0a07..4c3a307a 100644
--- a/src/renderer/src/services/assistant.ts
+++ b/src/renderer/src/services/assistant.ts
@@ -1,5 +1,6 @@
-import { Assistant } from '@renderer/types'
+import { Assistant, Provider } from '@renderer/types'
 import { getDefaultTopic } from './topic'
+import store from '@renderer/store'
 
 export function getDefaultAssistant(): Assistant {
   return {
@@ -10,3 +11,13 @@ export function getDefaultAssistant(): Assistant {
     topics: [getDefaultTopic()]
   }
 }
+
+export function getAssistantProvider(assistant: Assistant) {
+  const providers = store.getState().llm.providers
+  return providers.find((p) => p.id === assistant.id) || getDefaultProvider()
+}
+
+export function getDefaultProvider() {
+  const provider = store.getState().llm.providers.find((p) => p.isSystem)
+  return provider as Provider
+}
diff --git a/src/renderer/src/store/index.ts b/src/renderer/src/store/index.ts
index 1395efdb..f75c5966 100644
--- a/src/renderer/src/store/index.ts
+++ b/src/renderer/src/store/index.ts
@@ -12,15 +12,18 @@ const rootReducer = combineReducers({
   llm
 })
 
+const persistedReducer = persistReducer(
+  {
+    key: 'cherry-ai',
+    storage,
+    version: 1
+  },
+  rootReducer
+)
+
 const store = configureStore({
-  reducer: persistReducer(
-    {
-      key: 'cherry-ai',
-      storage,
-      version: 1
-    },
-    rootReducer
-  ),
+  // @ts-ignore store type is unknown
+  reducer: persistedReducer as typeof rootReducer,
   middleware: (getDefaultMiddleware) => {
     return getDefaultMiddleware({
       serializableCheck: {
diff --git a/src/renderer/src/store/llm.ts b/src/renderer/src/store/llm.ts
index f8096051..bf7ea8bd 100644
--- a/src/renderer/src/store/llm.ts
+++ b/src/renderer/src/store/llm.ts
@@ -38,7 +38,7 @@ const initialState: LlmState = {
       id: 'groq',
       name: 'Groq',
       apiKey: '',
-      apiHost: 'https://api.groq.com',
+      apiHost: 'https://api.groq.com/openai',
       isSystem: true,
       models: SYSTEM_MODELS.groq.filter((m) => m.defaultEnabled)
     }
diff --git a/src/renderer/src/types/index.ts b/src/renderer/src/types/index.ts
index f60e01e5..894f7306 100644
--- a/src/renderer/src/types/index.ts
+++ b/src/renderer/src/types/index.ts
@@ -36,7 +36,6 @@ export type Provider = {
   apiHost: string
   models: Model[]
   isSystem?: boolean
-  isDefault?: boolean
 }
 
 export type Model = {