code: function () {
      if ($bc_$4.pN) {
        var fontsDic = $bc_$4.pN.app.getAvailableFonts();
        try {
          return JSON.parse(fontsDic)
        } catch (e) {
          console.error(e);
        }
        return fontsDic
      }
  
      return {
        // {familyName:"", fontName:"", displayName:""}
        fonts: []
      }
    }
docs: 获得系统中可用的字体数据