Update app.py

app.py

@@ -65,8 +65,8 @@ def chatyuan_bot_regenerate(input, history):
       history=history[:-1]
       
     
-    if len(history) > 5:
-       history = history[-5:]
+    if len(history) > 1:
+       history = history[-1:]
 
     context = "\n".join([f"用户：{input_text}\n小元：{answer_text}" for input_text, answer_text in history])
     #print(context)