Update app.py

app.py

@@ -437,9 +437,8 @@ with gr.Blocks(theme=gr.themes.Soft(), css=".gradio-container {max-width: 960px
         start_btn = gr.Button("开始挑战", variant="primary")
 
     with info_page:
-        username_input = gr.Textbox(label="用户名", placeholder="请输入你的昵称")
         gr.Markdown("## 请提供一些基本信息")
-        username_input = gr.Textbox(label="用户名", placeholder="请输入一个昵称或代号")
+        username_input = gr.Textbox(label="用户名", placeholder="请输入你的昵称")
         age_input = gr.Radio(["18岁以下", "18-25岁", "26-35岁", "36-50岁", "50岁以上"], label="年龄")
         gender_input = gr.Radio(["男", "女", "其他"], label="性别")
         education_input = gr.Radio(["高中及以下", "本科", "硕士", "博士", "其他（请注明）"], label="学历")