async getAid(callback: Function) {
// In some cases, an error will occur when `localStorage` is manipulated
  try {
    let aid = await localStorage.getItem('AEGIS_ID');
    if (!aid) {
    aid = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, (c) => {
      const r = (Math.random() * 16) | 0;
      const v = c === 'x' ? r : (r & 0x3) | 0x8;
      return v.toString(16);
    });
    localStorage.setItem('AEGIS_ID', aid);
    }
    callback?.(aid || '');
  } catch (e) {
    callback?.('');
  }
}