Update app.py

app.py

@@ -48,7 +48,7 @@ with gr.Blocks(title="自定义 PDF 预览") as demo:
         uploader = gr.File(label="上传 PDF", file_types=[".pdf"])
         zoom = gr.Slider(0.5, 3, value=1, step=0.1, label="缩放倍数")
 
-    html_out = gr.HTML(sanitize=False)  # 关闭净化，允许 <script>
+    html_out = gr.HTML()  # 关闭净化，允许 <script>
 
     # 事件绑定
     uploader.change(show_pdf, [uploader, zoom], html_out)