Update app.py

app.py

@@ -192,7 +192,7 @@ def chat_qwen_vl(messages: str, history: list, temperature: float = 0.1, max_new
     streamer = TextIteratorStreamer(
         tokenizer, timeout=20.0, skip_prompt=True, skip_special_tokens=True)
 
-    gen_kwargs = {'max_new_tokens': 512, 'streamer': streamer, **inputs}
+    gen_kwargs = {'max_new_tokens': 1024, 'streamer': streamer, **inputs}
 
     thread = Thread(target=model.generate, kwargs=gen_kwargs)
     thread.start()