Update app.js

app.js

@@ -131,7 +131,7 @@ function chunkToUtf8String(chunk) {
   return utf8String;
 }
 
-app.post('/v1/chat/completions', async (req, res) => {
+app.post('/ai/v1/chat/completions', async (req, res) => {
   console.log('Received request:', req.body);
 
   // o1开头的模型，不支持流式输出