Update app.py

app.py

@@ -202,7 +202,7 @@ def _launch_demo(args):
 
         with gr.Row():
             addfile_btn = gr.UploadButton("📁 Upload (上传文件)", file_types=["image", "video"])
-            submit_btn = gr.Button("🚀 Submit (发送)")
+            submit_btn = gr.Button(" Submit ")
             regen_btn = gr.Button("🤔️ Regenerate (重试)")
             empty_bin = gr.Button("🧹 Clear History (清除历史)")