Update app.js

app.js

@@ -11,10 +11,10 @@ app.get('/', (req, res) => {
 });
 
 app.get('/jt', (req, res) => {
- const r18FolderPath = path.join(__dirname, 'api', 'jt');
+ const jtFolderPath = path.join(__dirname, 'api', 'jt');
  const images = fs.readdirSync(jtFolderPath);
  const randomImage = getRandomImage(images);
- res.sendFile(path.join(r18FolderPath, randomImage));
+ res.sendFile(path.join(jtFolderPath, randomImage));
 });
 
 function getRandomImage(images) {