Update app.py

app.py

@@ -80,7 +80,8 @@ img_file_buffer = st.file_uploader(
 if img_file_buffer:
     image = Image.open(img_file_buffer)
     img = np.array(image)
-    boxes, scores, class_names, *elapse = layout_engine(img)
-    ploted_img = VisLayout.draw_detections(img, boxes, scores, class_names)
+    with st.spinner("推理中...."):
+        boxes, scores, class_names, *elapse = layout_engine(img)
+        ploted_img = VisLayout.draw_detections(img, boxes, scores, class_names)
 
     st.image(ploted_img, use_column_width=True)