diff --git a/README.md b/README.md
index 285c10d..cf01cc1 100644
--- a/README.md
+++ b/README.md
@@ -2,9 +2,9 @@
 
 # ChatGPT 学术优化
 
-**如果喜欢这个项目，请给它一个Star；如果你发明了更好用的学术快捷键，欢迎发issue或者pull requests**
+**如果喜欢这个项目，请给它一个Star；如果你发明了更好用的学术快捷键，欢迎发issue或者pull requests（dev分支）**
 
-If you like this project, please give it a Star. If you've come up with more useful academic shortcuts, feel free to open an issue or pull request.
+If you like this project, please give it a Star. If you've come up with more useful academic shortcuts, feel free to open an issue or pull request （to `dev` branch）.
 
 ```
 代码中参考了很多其他优秀项目中的设计，主要包括：
diff --git a/toolbox.py b/toolbox.py
index 3e9ec17..b78a513 100644
--- a/toolbox.py
+++ b/toolbox.py
@@ -84,7 +84,10 @@ def write_results_to_file(history, file_name=None):
     with open(f'./gpt_log/{file_name}', 'w', encoding = 'utf8') as f:
         f.write('# chatGPT 分析报告\n')
         for i, content in enumerate(history):
-            if type(content) != str: content = str(content)
+            try:    # 这个bug没找到触发条件，暂时先这样顶一下
+                if type(content) != str: content = str(content)
+            except:
+                continue
             if i%2==0: f.write('## ')
             f.write(content)
             f.write('\n\n')