diff --git a/app/api/chat/route.ts b/app/api/chat/route.ts
index 4f63d1e..3a9f472 100644
--- a/app/api/chat/route.ts
+++ b/app/api/chat/route.ts
@@ -7,6 +7,12 @@ import { nanoid } from '@/lib/utils'
 
 export const runtime = 'edge'
 
+const configuration = new Configuration({
+  apiKey: process.env.OPENAI_API_KEY
+})
+
+const openai = new OpenAIApi(configuration)
+
 export async function POST(req: Request) {
   const json = await req.json()
   const { messages, previewToken } = json
@@ -18,11 +24,9 @@ export async function POST(req: Request) {
     }
   }
 
-  const configuration = new Configuration({
-    apiKey: previewToken || process.env.OPENAI_API_KEY
-  })
-
-  const openai = new OpenAIApi(configuration)
+  if (previewToken) {
+    configuration.apiKey = previewToken
+  }
 
   const res = await openai.createChatCompletion({
     model: 'gpt-3.5-turbo',
@@ -34,7 +38,7 @@ export async function POST(req: Request) {
   const stream = OpenAIStream(res, {
     async onCompletion(completion) {
       const title = json.messages[0].content.substring(0, 100)
-      const userId = session?.user.id
+      const userId = session?.user?.id
       if (userId) {
         const id = json.id ?? nanoid()
         const createdAt = Date.now()
diff --git a/auth.ts b/auth.ts
index a73db04..0b714d6 100644
--- a/auth.ts
+++ b/auth.ts
@@ -15,6 +15,7 @@ export const {
   auth,
   CSRF_experimental
 } = NextAuth({
+  // @ts-ignore
   providers: [GitHub],
   callbacks: {
     jwt: async ({ token, profile }) => {
diff --git a/package.json b/package.json
index 918200c..ebd936c 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "@vercel/analytics": "^1.0.0",
     "@vercel/kv": "^0.2.1",
     "@vercel/og": "^0.5.7",
-    "ai": "^2.1.2",
+    "ai": "^2.1.6",
     "body-scroll-lock": "4.0.0-beta.0",
     "class-variance-authority": "^0.4.0",
     "clsx": "^1.2.1",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index e6d3739..a16fd5b 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -42,8 +42,8 @@ dependencies:
     specifier: ^0.5.7
     version: 0.5.7
   ai:
-    specifier: ^2.1.2
-    version: 2.1.2(react@18.2.0)(svelte@3.59.2)(vue@3.3.4)
+    specifier: ^2.1.6
+    version: 2.1.6(react@18.2.0)(svelte@3.59.2)(vue@3.3.4)
   body-scroll-lock:
     specifier: 4.0.0-beta.0
     version: 4.0.0-beta.0
@@ -1481,8 +1481,8 @@ packages:
     hasBin: true
     dev: true
 
-  /ai@2.1.2(react@18.2.0)(svelte@3.59.2)(vue@3.3.4):
-    resolution: {integrity: sha512-WhyGH95Pv/gpgVMQT5eCyKXJh7irozr+bmpJ94somfRYBcAN2U270ii/OOHzGLrPM3liTbBilGQL2Ds7/5sz9Q==}
+  /ai@2.1.6(react@18.2.0)(svelte@3.59.2)(vue@3.3.4):
+    resolution: {integrity: sha512-YFCy7KEUDvuNGNuD8Bz7BynXB/eW2jJRAxAIM8Hb5/gpppZJs6/nTSdpocROxoGESJchtkFgYdygieG/wciEEQ==}
     engines: {node: '>=14.6'}
     peerDependencies:
       react: ^18.0.0