Rebuild app OTP authentication

src/util.py

@@ -4,6 +4,7 @@ import os
 import re
 import sys
 import config
+import json
 from logging import handlers
 from datetime import datetime
 from const import units
@@ -29,6 +30,10 @@ class SensitiveDataFilter(logging.Filter):
         return True
 
 
+def save_to_json(data):
+    with open('.token', 'w', encoding='utf-8') as f:
+        json.dump(data, f, ensure_ascii=False, indent=4)
+
 def get_icon_between(icon_list, state):
     icon = None
     for s in icon_list: