diff --git a/functional_crazy.py b/functional_crazy.py
index 101edcf..d537573 100644
--- a/functional_crazy.py
+++ b/functional_crazy.py
@@ -39,6 +39,7 @@ def get_crazy_functionals():
     }
 
 def on_file_uploaded(files, chatbot, txt):
+    if len(files) == 0: return chatbot, txt
     import shutil, os, time, glob
     from toolbox import extract_archive
     try: shutil.rmtree('./private_upload/')
@@ -60,6 +61,7 @@ def on_file_uploaded(files, chatbot, txt):
 def on_report_generated(files, chatbot):
     from toolbox import find_recent_files
     report_files = find_recent_files('gpt_log')
+    if len(report_files) == 0: return report_files, chatbot
     # files.extend(report_files)
     chatbot.append(['汇总报告如何远程获取？', '汇总报告已经添加到右侧文件上传区，请查收。'])
     return report_files, chatbot