Update app.py

app.py

@@ -17,6 +17,11 @@ HUGGINGFACEHUB_API_TOKEN = os.getenv("HUGGINGFACEHUB_API_TOKEN")
 
 # 用户输入
 url = st.text_input("Enter the URL to chat with:")
+# 检查 URL 是否以 "https://mp.weixin.qq.com" 开始
+if not url.startswith("https://mp.weixin.qq.com"):
+    # 如果不是，则显示错误信息并终止程序
+    st.error("URL is incorrect. Please enter a URL that starts with 'https://mp.weixin.qq.com'.")
+    st.stop()
 print(f"URL Entered: "+url)
 print()
 question = st.text_input("Enter your question:")