Update app.py

app.py

@@ -25,13 +25,16 @@ st.write(f"Your selected model: {model}")
 # 加载问答模型
 pipe = pipeline("question-answering", model=model)
 
+# 设置默认的问题和上下文
+default_question = "What is the value of FF?"
+default_context = "The referential DSSC with Pt CE was also measured under the same conditions, which yields η of 6.66% (Voc= 0.78 V, Jsc= 13.0 mA cm−2, FF = 65.9%)."
+
 # 获取用户输入的问题和上下文
-question = st.text_input("Enter your question here")
-context = st.text_area("Enter the context here")
+question = st.text_input("Enter your question here", value=default_question)
+context = st.text_area("Enter the context here", value=default_context, height=300)
 
 # 添加一个按钮，用户点击后执行问答
 if st.button('Answer the Question'):
-    progress_bar = st.progress(0)
     if context and question:
         out = pipe({
             'question': question,