message: Add toString to convert style in webpack
diff: @@ -187,7 +187,7 @@ export default async function embed(
  if (!document.getElementById(ID)) {
  const style = document.createElement('style');
  style.id = ID;
  - style.innerText = opt.defaultStyle === true ? embedStyle : opt.defaultStyle;
  + style.innerText = opt.defaultStyle === true ? embedStyle.toString() : opt.defaultStyle;
  document.getElementsByTagName('head')[0].appendChild(style);
  }
  }
  