Update app.py

app.py

@@ -24,12 +24,11 @@ def detect(img):
 with gr.Blocks() as demo:
     gr.Markdown("# yolov8目标检测演示")
  
-    with gr.Tab("捕捉摄像头喔"):
+    with gr.Row():
         in_img = gr.Image(source='webcam',type='pil')
-        button = gr.Button("执行检测",variant="primary")
- 
-        gr.Markdown("## 预测输出")
         out_img = gr.Image(type='pil')
+    with gr.Row():
+        button = gr.Button("执行检测",variant="primary")
  
         button.click(detect,
                      inputs=in_img,