diff --git a/apps/accounts/automations/backup_account/handlers.py b/apps/accounts/automations/backup_account/handlers.py
index c47454685..6a00a2436 100644
--- a/apps/accounts/automations/backup_account/handlers.py
+++ b/apps/accounts/automations/backup_account/handlers.py
@@ -168,9 +168,8 @@ class AccountBackupHandler:
             if not user.secret_key:
                 attachment_list = []
             else:
-                password = user.secret_key.encode('utf8')
                 attachment = os.path.join(PATH, f'{plan_name}-{local_now_filename()}-{time.time()}.zip')
-                encrypt_and_compress_zip_file(attachment, password, files)
+                encrypt_and_compress_zip_file(attachment, user.secret_key, files)
                 attachment_list = [attachment, ]
             AccountBackupExecutionTaskMsg(plan_name, user).publish(attachment_list)
             print('邮件已发送至{}({})'.format(user, user.email))
@@ -191,7 +190,6 @@ class AccountBackupHandler:
             attachment = os.path.join(PATH, f'{plan_name}-{local_now_filename()}-{time.time()}.zip')
             if password:
                 print('\033[32m>>> 使用加密密码对文件进行加密中\033[0m')
-                password = password.encode('utf8')
                 encrypt_and_compress_zip_file(attachment, password, files)
             else:
                 zip_files(attachment, files)
diff --git a/apps/accounts/automations/change_secret/manager.py b/apps/accounts/automations/change_secret/manager.py
index d85e057b5..e4d1a0fd5 100644
--- a/apps/accounts/automations/change_secret/manager.py
+++ b/apps/accounts/automations/change_secret/manager.py
@@ -230,9 +230,8 @@ class ChangeSecretManager(AccountBasePlaybookManager):
         for user in recipients:
             attachments = []
             if user.secret_key:
-                password = user.secret_key.encode('utf8')
                 attachment = os.path.join(path, f'{name}-{local_now_filename()}-{time.time()}.zip')
-                encrypt_and_compress_zip_file(attachment, password, [filename])
+                encrypt_and_compress_zip_file(attachment, user.secret_key, [filename])
                 attachments = [attachment]
             ChangeSecretExecutionTaskMsg(name, user, summary).publish(attachments)
         os.remove(filename)
diff --git a/apps/common/utils/file.py b/apps/common/utils/file.py
index ac3f5868b..19772d5d7 100644
--- a/apps/common/utils/file.py
+++ b/apps/common/utils/file.py
@@ -21,6 +21,8 @@ def encrypt_and_compress_zip_file(filename, secret_password, encrypted_filenames
     with pyzipper.AESZipFile(
             filename, 'w', compression=pyzipper.ZIP_LZMA, encryption=pyzipper.WZ_AES
     ) as zf:
+        if secret_password and isinstance(secret_password, str):
+            secret_password = secret_password.encode('utf8')
         zf.setpassword(secret_password)
         for encrypted_filename in encrypted_filenames:
             with open(encrypted_filename, 'rb') as f: