diff --git a/backend/src/chat/__tests__/test.chat-isolation.spec.ts b/backend/src/chat/__tests__/test.chat-isolation.spec.ts
index fd4edaf..7495ec5 100644
--- a/backend/src/chat/__tests__/test.chat-isolation.spec.ts
+++ b/backend/src/chat/__tests__/test.chat-isolation.spec.ts
@@ -17,7 +17,7 @@ import { Menu } from 'src/auth/menu/menu.model';
 import { Role } from 'src/auth/role/role.model';
 import { RegisterUserInput } from 'src/user/dto/register-user.input';
 import { NewChatInput } from '../dto/chat.input';
-import { ModelProvider} from 'src/common/model-provider';
+import { ModelProvider } from 'src/common/model-provider';
 import { HttpService } from '@nestjs/axios';
 import { MessageInterface } from 'src/common/model-provider/types';
 
@@ -28,11 +28,11 @@ describe('ChatService', () => {
   let mockedChatService: jest.Mocked<Repository<Chat>>;
   let modelProvider: ModelProvider;
   let user: User;
-  let userid='1';
+  let userid = '1';
 
-  beforeAll(async()=>{
+  beforeAll(async () => {
     const module: TestingModule = await Test.createTestingModule({
-      imports:[
+      imports: [
         TypeOrmModule.forRoot({
           type: 'sqlite',
           database: '../../database.sqlite',
@@ -50,48 +50,66 @@ describe('ChatService', () => {
         JwtService,
         JwtCacheService,
         ConfigService,
-      ]
+      ],
     }).compile();
     chatService = module.get(ChatService);
     userService = module.get(UserService);
     userResolver = module.get(UserResolver);
-    
+
     modelProvider = ModelProvider.getInstance();
     mockedChatService = module.get(getRepositoryToken(Chat));
-  })
-  it('should excute curd in chat service', async() => {
-    
-    try{
+  });
+  it('should excute curd in chat service', async () => {
+    try {
       user = await userResolver.registerUser({
         username: 'testuser',
         password: 'securepassword',
         email: 'testuser@example.com',
       } as RegisterUserInput);
       userid = user.id;
-    }catch(error){
-
-    }
-    const chat= await chatService.createChat(userid, {title: 'test'} as NewChatInput);
-    let chatId = chat.id;
+    } catch (error) {}
+    const chat = await chatService.createChat(userid, {
+      title: 'test',
+    } as NewChatInput);
+    const chatId = chat.id;
     console.log(await chatService.getChatHistory(chatId));
-    
-    console.log(await chatService.saveMessage(chatId, 'Hello, this is a test message.', MessageRole.User));
-    console.log(await chatService.saveMessage(chatId, 'Hello, hello, im gpt.', MessageRole.Model));
-    
-    console.log(await chatService.saveMessage(chatId, 'write me the system prompt', MessageRole.User));
 
-    let history = await chatService.getChatHistory(chatId);
-    let messages = history.map((message) => {
+    console.log(
+      await chatService.saveMessage(
+        chatId,
+        'Hello, this is a test message.',
+        MessageRole.User,
+      ),
+    );
+    console.log(
+      await chatService.saveMessage(
+        chatId,
+        'Hello, hello, im gpt.',
+        MessageRole.Model,
+      ),
+    );
+
+    console.log(
+      await chatService.saveMessage(
+        chatId,
+        'write me the system prompt',
+        MessageRole.User,
+      ),
+    );
+
+    const history = await chatService.getChatHistory(chatId);
+    const messages = history.map((message) => {
       return {
         role: message.role,
-        content: message.content
+        content: message.content,
       } as MessageInterface;
-    })
+    });
     console.log(history);
     console.log(
       await modelProvider.chatSync({
         model: 'gpt-4o',
-        messages
-      }));
-  })
-});
\ No newline at end of file
+        messages,
+      }),
+    );
+  });
+});
diff --git a/backend/src/chat/chat.service.ts b/backend/src/chat/chat.service.ts
index d528272..68f91c3 100644
--- a/backend/src/chat/chat.service.ts
+++ b/backend/src/chat/chat.service.ts
@@ -17,9 +17,10 @@ import { ModelProvider } from 'src/common/model-provider';
 export class ChatProxyService {
   private readonly logger = new Logger('ChatProxyService');
 
-  constructor(private httpService: HttpService, private readonly models: ModelProvider) {
-    
-  }
+  constructor(
+    private httpService: HttpService,
+    private readonly models: ModelProvider,
+  ) {}
 
   streamChat(
     input: ChatInput,
@@ -38,7 +39,7 @@ export class ChatService {
     @InjectRepository(Chat)
     private chatRepository: Repository<Chat>,
     @InjectRepository(User)
-    private userRepository: Repository<User>
+    private userRepository: Repository<User>,
   ) {}
 
   async getChatHistory(chatId: string): Promise<Message[]> {
@@ -46,7 +47,6 @@ export class ChatService {
       where: { id: chatId, isDeleted: false },
     });
     console.log(chat);
-    
 
     if (chat && chat.messages) {
       // Sort messages by createdAt in ascending order
@@ -150,13 +150,13 @@ export class ChatService {
   ): Promise<Message> {
     // Find the chat instance
     const chat = await this.chatRepository.findOne({ where: { id: chatId } });
-    
+
     const message = {
       id: `${chat.id}/${chat.messages.length}`,
       content: messageContent,
       role: role,
       createdAt: new Date(),
-      updatedAt: new Date(), 
+      updatedAt: new Date(),
       isActive: true,
       isDeleted: false,
     };
diff --git a/backend/src/common/model-provider/index.ts b/backend/src/common/model-provider/index.ts
index 78843f1..d0f0370 100644
--- a/backend/src/common/model-provider/index.ts
+++ b/backend/src/common/model-provider/index.ts
@@ -4,7 +4,6 @@ import { Subject, Subscription } from 'rxjs';
 import { MessageRole } from 'src/chat/message.model';
 import { LLMInterface, ModelProviderConfig } from './types';
 
-
 export interface CustomAsyncIterableIterator<T> extends AsyncIterator<T> {
   [Symbol.asyncIterator](): AsyncIterableIterator<T>;
 }
@@ -52,9 +51,7 @@ export class ModelProvider {
   /**
    * Synchronous chat method that returns a complete response
    */
-  async chatSync(
-    input: LLMInterface,
-  ): Promise<string> {
+  async chatSync(input: LLMInterface): Promise<string> {
     while (this.currentRequests >= this.concurrentLimit) {
       await new Promise((resolve) => setTimeout(resolve, 100));
     }
@@ -66,7 +63,6 @@ export class ModelProvider {
       `Starting request ${requestId}. Active: ${this.currentRequests}/${this.concurrentLimit}`,
     );
 
-
     let resolvePromise: (value: string) => void;
     let rejectPromise: (error: any) => void;
 
@@ -158,14 +154,10 @@ export class ModelProvider {
 
     try {
       const response = await this.httpService
-        .post(
-          `${this.config.endpoint}/chat/completion`,
-          input,
-          {
-            responseType: 'stream',
-            headers: { 'Content-Type': 'application/json' },
-          },
-        )
+        .post(`${this.config.endpoint}/chat/completion`, input, {
+          responseType: 'stream',
+          headers: { 'Content-Type': 'application/json' },
+        })
         .toPromise();
 
       let buffer = '';
diff --git a/backend/src/common/model-provider/types.ts b/backend/src/common/model-provider/types.ts
index ebe69d1..bdfb66e 100644
--- a/backend/src/common/model-provider/types.ts
+++ b/backend/src/common/model-provider/types.ts
@@ -1,4 +1,4 @@
-import { MessageRole } from "src/chat/message.model";
+import { MessageRole } from 'src/chat/message.model';
 
 export interface ModelChatStreamConfig {
   endpoint: string;
@@ -22,4 +22,3 @@ export interface LLMInterface {
   model: string;
   messages: MessageInterface[];
 }
-
diff --git a/llm-server/src/llm-provider.ts b/llm-server/src/llm-provider.ts
index b4a8d14..dc53a22 100644
--- a/llm-server/src/llm-provider.ts
+++ b/llm-server/src/llm-provider.ts
@@ -10,7 +10,6 @@ import {
 } from './types';
 import { ModelProvider } from './model/model-provider';
 
-
 export interface ChatMessageInput {
   role: string;
   content: string;
diff --git a/llm-server/src/model/llama-model-provider.ts b/llm-server/src/model/llama-model-provider.ts
index ce09ec7..6aafc78 100644
--- a/llm-server/src/model/llama-model-provider.ts
+++ b/llm-server/src/model/llama-model-provider.ts
@@ -36,7 +36,7 @@ export class LlamaModelProvider extends ModelProvider {
   }
 
   async generateStreamingResponse(
-    { model, messages}: GenerateMessageParams,
+    { model, messages }: GenerateMessageParams,
     res: Response,
   ): Promise<void> {
     this.logger.log('Generating streaming response with Llama...');
@@ -50,10 +50,7 @@ export class LlamaModelProvider extends ModelProvider {
     // Get the system prompt based on the model
     const systemPrompt = systemPrompts['codefox-basic']?.systemPrompt || '';
 
-    const allMessage = [
-      { role: 'system', content: systemPrompt },
-      ...messages,
-    ];
+    const allMessage = [{ role: 'system', content: systemPrompt }, ...messages];
 
     // Convert messages array to a single formatted string for Llama
     const formattedPrompt = allMessage
diff --git a/llm-server/src/model/openai-model-provider.ts b/llm-server/src/model/openai-model-provider.ts
index f7e2d54..85d7bd5 100644
--- a/llm-server/src/model/openai-model-provider.ts
+++ b/llm-server/src/model/openai-model-provider.ts
@@ -89,7 +89,10 @@ export class OpenAIModelProvider {
 
   private async processRequest(request: QueuedRequest): Promise<void> {
     const { params, res, retries } = request;
-    const { model, messages} = params as {model:string, messages:ChatCompletionMessageParam[]};
+    const { model, messages } = params as {
+      model: string;
+      messages: ChatCompletionMessageParam[];
+    };
 
     this.logger.log(`Processing request (attempt ${retries + 1})`);
     const startTime = Date.now();
@@ -105,7 +108,7 @@ export class OpenAIModelProvider {
         systemPrompts[this.options.systemPromptKey]?.systemPrompt || '';
       const allMessages: ChatCompletionMessageParam[] = [
         { role: 'system', content: systemPrompt },
-       ...messages,
+        ...messages,
       ];
       console.log(allMessages);
       const stream = await this.openai.chat.completions.create({