Update app.py

app.py

@@ -407,7 +407,7 @@ if __name__ == '__main__':
                 pdf_show = PDF(label='Preview', interactive=False, visible=True, height=800)
 
                 slider = gr.Slider(0.5, 3.0, value=1.0, step=0.1, label="缩放倍数")
-                out = gr.HTML()
+                out = gr.HTML(sanitize_html=False)
             
                 file.change(embed_file, [file, slider], out)
                 slider.change(embed_file, [file, slider], out)