修复pdf翻译的问题

toolbox.py

@@ -168,14 +168,17 @@ 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):
-            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)
+            try:    
+                if type(content) != str: content = str(content)
             except:
                 continue
             if i % 2 == 0:
                 f.write('## ')
-            f.write(content)
+            try:
+                f.write(content)
+            except:
+                # remove everything that cannot be handled by utf8
+                f.write(content.encode('utf-8', 'ignore').decode())
             f.write('\n\n')
     res = '以上材料已经被写入' + os.path.abspath(f'./gpt_log/{file_name}')
     print(res)