Update app.py

app.py

@@ -99,12 +99,9 @@ with gr.Blocks() as demo:
 if __name__ == "__main__":
     demo.launch()
 
-webcam_button.click(fn=detect_webcam, inputs=[webcam_input, webcam_conf], outputs=webcam_output)
+    webcam_button.click(fn=detect_webcam, inputs=[webcam_input, webcam_conf], outputs=webcam_output)
     
     # 绑定事件处理
     img_button.click(fn=detect_image, inputs=[img_input, img_conf], outputs=img_output)
     video_button.click(fn=detect_video, inputs=[video_input, video_conf], outputs=video_output)
     webcam_button.click(fn=detect_webcam, inputs=[webcam_input, webcam_conf], outputs=webcam_output)
-
-if __name__ == "__main__":
-    demo.launch()