Update app.py

app.py

@@ -142,7 +142,7 @@ with gr.Blocks() as demo:
         max_length = gr.Slider(minimum=4.0, maximum=4096.0, step=4.0, label='Max Length', value=configs['max_length'])
         top_p = gr.Slider(minimum=0.01, maximum=1.0, step=0.01, label='Top P', value=configs['top_p'])
         temperature = gr.Slider(minimum=0.01, maximum=2.0, step=0.01, label='Temperature', value=configs['temperature'])
-        memory_limit = gr.Slider(minimum=-1.0, maximum=20.0, step=1.0, label='Memory Limit', value=configs['memory_limit'])
+        memory_limit = gr.Slider(minimum=0.0, maximum=20.0, step=1.0, label='Memory Limit', value=configs['memory_limit'])
     save_conf = gr.Button('保存设置', visible=False)
 
     gr.Markdown('''<h2>Hint: click on a chat bubble to edit chat history</h2>''')