support multi output

app.py

@@ -197,7 +197,7 @@ def generate(*data):
     description = "\n---\n".join([msg.content for msg in response])
     md_content = description 
 
-    alt_texts_str = '\n---\n### Alt text\n\n' + '\n- ' + '\n- '.join(alt_texts) if len(alt_texts) > 0 else ""
+    alt_texts_str = '\n\n### Alt text\n\n' + '\n- ' + '\n- '.join(alt_texts) if len(alt_texts) > 0 else ""
 
     alt_text_dict = {k[0]: v for (k, v) in zip(image, alt_texts)} if len(alt_texts) > 0 else {}
     result_json = {"outputs": [msg.content for msg in response], "alt_text": alt_text_dict}