update UI

app.py

@@ -545,13 +545,13 @@ def read_logs():
 with gr.Blocks() as demo:
     # gr.Markdown("Start typing below and then click **SUBMIT** to see the output.")
     with gr.Row():
-        with gr.Row(scale=2):
+        with gr.Column(scale=2, min_width=800):
             main = gr.ChatInterface(
                 chathmi2,
                 title="STLA BABY - YOUR FRIENDLY GUIDE",
                 description= "v0.3: Powered by MECH Core Team",
             )
-        with gr.Column(scale=1):
+        with gr.Column(scale=0):
             upload_button = gr.UploadButton("Upload To DB", file_count="multiple", scale= 1)
             upload_file_button = gr.UploadButton("Upload File", file_count="single", scale= 1)
             voice_input = gr.Audio(source="microphone", type="filepath", scale= 1)