Update index.js

index.js

@@ -312,7 +312,7 @@ app.post('/api/v2/key/generate-key', authenticateApiKey, apiLimiter, async (req,
     const existingUser = await ApiKey.findOne({ owner: userIdNumber });
     if (existingUser) {
       return res.status(200).json({
-        apiKey: existingUser.api_keys,
+        apiKey: existingUser.key,
         createdAt: existingUser.createdAt,
         is_banned: existingUser.is_banned || false,
         expiresAt: existingUser.expiresAt,
@@ -325,7 +325,7 @@ app.post('/api/v2/key/generate-key', authenticateApiKey, apiLimiter, async (req,
     expirationDate.setDate(expirationDate.getDate() + 30);
 
     const userDocument = new ApiKey({
-      api_keys: newKey,
+      key: newKey,
       createdAt: new Date(),
       expiresAt: expirationDate,
       owner: userIdNumber,