diff --git a/core/src/node/api/restful/helper/builder.ts b/core/src/node/api/restful/helper/builder.ts
index d0247c64c9..cd121cdb7e 100644
--- a/core/src/node/api/restful/helper/builder.ts
+++ b/core/src/node/api/restful/helper/builder.ts
@@ -335,7 +335,6 @@ export const chatCompletions = async (request: any, reply: any) => {
     headers['Authorization'] = `Bearer ${apiKey}`
     headers['api-key'] = apiKey
   }
-  console.debug(apiUrl)
 
   if (requestedModel.engine === 'openai' && request.body.stop) {
     // openai only allows max 4 stop words
diff --git a/electron/managers/window.ts b/electron/managers/window.ts
index 2faa794c98..8c7348651c 100644
--- a/electron/managers/window.ts
+++ b/electron/managers/window.ts
@@ -94,8 +94,10 @@ class WindowManager {
   }
 
   closeQuickAskWindow(): void {
+    if (this._quickAskWindow?.isDestroyed()) return
     this._quickAskWindow?.close()
     this._quickAskWindow?.destroy()
+    this._quickAskWindow = undefined
     this._quickAskWindowVisible = false
   }
 
@@ -122,14 +124,18 @@ class WindowManager {
   }
 
   cleanUp(): void {
-    this.mainWindow?.close()
-    this.mainWindow?.destroy()
-    this.mainWindow = undefined
-    this._quickAskWindow?.close()
-    this._quickAskWindow?.destroy()
-    this._quickAskWindow = undefined
-    this._quickAskWindowVisible = false
-    this._mainWindowVisible = false
+    if (!this.mainWindow?.isDestroyed()) {
+      this.mainWindow?.close()
+      this.mainWindow?.destroy()
+      this.mainWindow = undefined
+      this._mainWindowVisible = false
+    }
+    if (!this._quickAskWindow?.isDestroyed()) {
+      this._quickAskWindow?.close()
+      this._quickAskWindow?.destroy()
+      this._quickAskWindow = undefined
+      this._quickAskWindowVisible = false
+    }
   }
 }
 
diff --git a/web/hooks/useCreateNewThread.ts b/web/hooks/useCreateNewThread.ts
index 9b4e4261ea..ef57bc982d 100644
--- a/web/hooks/useCreateNewThread.ts
+++ b/web/hooks/useCreateNewThread.ts
@@ -9,8 +9,6 @@ import {
   ThreadState,
   Model,
   AssistantTool,
-  events,
-  InferenceEvent,
 } from '@janhq/core'
 import { atom, useAtomValue, useSetAtom } from 'jotai'
 
diff --git a/web/screens/Chat/ChatInput/index.tsx b/web/screens/Chat/ChatInput/index.tsx
index f6fd299b9b..3dd53e01ee 100644
--- a/web/screens/Chat/ChatInput/index.tsx
+++ b/web/screens/Chat/ChatInput/index.tsx
@@ -1,7 +1,7 @@
 /* eslint-disable @typescript-eslint/no-explicit-any */
 import { useEffect, useRef, useState } from 'react'
 
-import { InferenceEvent, MessageStatus, events } from '@janhq/core'
+import { MessageStatus } from '@janhq/core'
 
 import {
   Textarea,
@@ -44,7 +44,7 @@ import {
 
 const ChatInput: React.FC = () => {
   const activeThread = useAtomValue(activeThreadAtom)
-  const { stateModel, activeModel } = useActiveModel()
+  const { stateModel } = useActiveModel()
   const messages = useAtomValue(getCurrentChatMessagesAtom)
 
   const [currentPrompt, setCurrentPrompt] = useAtom(currentPromptAtom)
diff --git a/web/screens/Chat/EditChatInput/index.tsx b/web/screens/Chat/EditChatInput/index.tsx
index 543817c6b0..fba4b0b8a7 100644
--- a/web/screens/Chat/EditChatInput/index.tsx
+++ b/web/screens/Chat/EditChatInput/index.tsx
@@ -4,10 +4,8 @@ import { useEffect, useRef, useState } from 'react'
 import {
   ConversationalExtension,
   ExtensionTypeEnum,
-  InferenceEvent,
   MessageStatus,
   ThreadMessage,
-  events,
 } from '@janhq/core'
 
 import {