Update app.py

app.py

@@ -92,8 +92,16 @@ with gr.Blocks(css='style.css') as demo:
     saved_input = gr.State()
 
     with gr.Accordion(label='Advanced options', open=False):
-        system_prompt = ""
-        max_new_tokens = 1024
+        system_prompt = gr.Textbox(label='System prompt',
+                                   value=DEFAULT_SYSTEM_PROMPT,
+                                   lines=6)
+        max_new_tokens = gr.Slider(
+            label='Max new tokens',
+            minimum=1,
+            maximum=MAX_MAX_NEW_TOKENS,
+            step=1,
+            value=DEFAULT_MAX_NEW_TOKENS,
+        )
         temperature = gr.Slider(
             label='Temperature',
             minimum=0.1,