fix bugs

app.py

@@ -383,7 +383,7 @@ def UI():
                     d = gr.DownloadButton("Download the file", visible=False)
             submit.click(
                 fn=post_submit,
-                inputs=[show_prompt, image_input, model_path],
+                inputs=[show_prompt, model_path, image_input],
                 outputs=[description, prompt, generate],
                 )
             show_prompt.change(