fix: Gallery

app.py

@@ -121,9 +121,13 @@ with gr.Blocks() as demo:
     image_gallery = gr.Gallery(
         label="PDF页面预览",
         columns=3,
-        height=300,
-        object_fit="contain",  # 添加这个参数
-        preview=True,  # 添加这个参数
+        height=600,
+        object_fit="contain",
+        preview=True,
+        zoom=True,  # 启用缩放功能
+        show_download_button=True,  # 显示下载按钮
+        show_fullscreen_button=True,  # 显示全屏按钮
+        allow_preview=True,  # 允许预览（包括全屏查看）
     )
     selected_index = gr.State(None)
     pdf_input.upload(fn=process_pdf, inputs=pdf_input, outputs=image_gallery)