code: def run_create_admin(*args):
      '''
      creating the default administrator.
      '''
      post_data = {
          'user_name': 'giser',
          'user_email': 'giser@osgeo.cn',
          'user_pass': '131322',
          'role': '3300',
      }
      if MUser.get_by_name(post_data['user_name']):
          print('User {user_name} already exists.'.format(user_name='giser'))
      else:
          MUser.create_user(post_dataf run_create_admin(*args):
      '''
      creating the default administrator.
      '''
      post_data = {
          'user_name': 'giser',
          'user_email': 'giser@osgeo.cn',
          'user_pass': '131322',
          'role': '3300',
      }
      if MUser.get_by_name(post_data['user_name']):
          print('User {user_name} already exists.'.format(user_name='giser'))
      else:
          MUser.create_user(post_data)
docs: creating the default administrator.