Update app.py

app.py

@@ -105,6 +105,9 @@ def chatbot(input, choice):
                     result = "".join(history).strip() #* working！
                     yield result
 
+            messages = [{"role": "system", "content": "你是一个专业和友好的AI助手。"},]
+
+
     except Exception as e:
         print(e)
         messages = [{"role": "system", "content": "你是一个专业和友好的AI助手。"},]