Fix error import

Signed-off-by: Jin Hai <haijin.chn@gmail.com>

Author: JinHai-CN

admin/server/auth.py

@@ -24,7 +24,7 @@
 from itsdangerous.url_safe import URLSafeTimedSerializer as Serializer
 
 from api.common.exceptions import AdminException, UserNotFoundError
-from api.db.init_data import encode_to_base64
+from api.common.base64 import encode_to_base64
 from api.db.services import UserService
 from common.constants import ActiveEnum, StatusEnum
 from api.utils.crypt import decrypt