Update app.py

app.py

@@ -227,16 +227,17 @@ with gr.Blocks(theme='soft', css=css, title="听说") as iface:
         input_box = gr.Textbox(label="网址", placeholder="请输入https开头的网址")
     with gr.Row():
         peoples = gr.Radio(["单人","双人"],value="双人",label="播音员人数")
-        if peoples == "双人":
-            system_prompt = double_prompt;
-        else:
-            system_prompt = single_prompt;
     with gr.Row():
         submit_btn = gr.Button("🚀 发送")  # Create a submit button
         random_btn = gr.Button("🤙 随机")
         clear_btn = gr.ClearButton(output_box, value="🗑️ 清除") # Create a clear button
+
     gr.Examples(examples=Examples, inputs=input_box, outputs=output_box, fn=main, label="示例", cache_examples="lazy")
-        
+
+    if peoples == "双人":
+        system_prompt = double_prompt
+    else:
+        system_prompt = single_prompt
     # Set up the event listeners
     submit_btn.click(main, inputs=input_box, outputs=output_box)
     random_btn.click(fn=random_news, outputs=output_box)