Update app.py

app.py

@@ -319,7 +319,7 @@ with gr.Blocks(css=css,head=js,fill_height=True) as demo:
                 existing_images = [img for img in default_image if os.path.exists(img)]
                 #print(f"found cover files: {existing_images}")
                 if existing_images:
-                    default_image = random.choice(existing_images)
+                    default_image = existing_images[int(time.time())%len(existing_images)]
                 else:
                     default_image = None
             elif not os.path.exists(default_image):