Update app.py

app.py

@@ -1,8 +1,8 @@
 import streamlit as st
 from transformers import pipeline
 
-# 加载 Visual Question Answering 模型
-vqa_pipeline = pipeline("text2text-generation", model="mrm8488/t5-base-finetuned-vqa")
+# 加载 Visual Question Answering 模型 microsoft/git-base-vqav2
+vqa_pipeline = pipeline("text2text-generation", model="microsoft/git-base-vqav2")
 
 # 加载文本到语音模型
 text_to_speech_pipeline = pipeline("text-to-speech", model="tts_model_name")