Update app.py

app.py

@@ -7,7 +7,7 @@ def chat(input):
     url = 'http://dark.21cnai.com:5000/api/chat'
     data = { "message": input }
     headers = {"Content-Type": "Application/json","Authorization":"Bearer kdfjwoieskdflasdnf"}
-    user_message = f'<span class="user">您说：{input_text}</span><br>'
+    user_message = f'<span class="user">您说：{input}</span><br>'
     response = requests.post(url, json=data, headers=headers)
     bot_message = f'<span class="chatbot">ChatGPT：{response.text}</span><br>'
     conversation_history += user_message + bot_message