手动添加mate标签

  // 手动添加mate标签
  const addMeta = (name, content) => {
    const meta = document.createElement('meta');
    meta.content = content;
    meta.name = name;
    document.getElementsByTagName('head')[0].appendChild(meta);
  };
 
  addMeta(
      'viewport',
      'width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no,viewport-fit=cover',
  );