diff --git a/pages/api/map.js b/pages/api/map.js
index 1691e54..eb99a7e 100644
--- a/pages/api/map.js
+++ b/pages/api/map.js
@@ -4,7 +4,7 @@ import OpenAI from "openai";
 import { Transformer } from "markmap-lib";
 
 const openai = new OpenAI({
-    apiKey: process.env.OPENAI_API_KEY,
+    apiKey: process.env.OPENAI_API_KEY
 });
 
 // Simple in-memory cache
@@ -14,7 +14,11 @@ export default async function handler(req, res) {
     const { topic } = req.query;
 
     if (!topic || typeof topic !== "string") {
-        res.status(400).json({ error: "The \"topic\" query parameter is required and must be a string." });
+        res
+            .status(400)
+            .json({
+                error: "The \"topic\" query parameter is required and must be a string."
+            });
         return;
     }
 
@@ -33,7 +37,7 @@ export default async function handler(req, res) {
         const completion = await openai.chat.completions.create({
             model: "gpt-4",
             messages: [{ role: "user", content: prompt }],
-            max_tokens: 2000,
+            max_tokens: 2000
         });
 
         const text = completion.choices[0]?.message?.content ?? "";
@@ -47,6 +51,8 @@ export default async function handler(req, res) {
         res.status(200).json({ mapData: root });
     } catch (error) {
         console.error("Error generating map data:", error);
-        res.status(500).json({ error: "An error occurred while generating the map data." });
+        res
+            .status(500)
+            .json({ error: "An error occurred while generating the map data." });
     }
 }