code: function initCustomOptionsFromPackage(fis) {
      try {
          var pkgConfig = require(fis.project.getProjectPath() + '/package.json');
          var opts = pkgConfig['tfux-option'] || {};
          Object.keys(opts).forEach(function (key) {
              fis.set(key, opts[key]);
          });
      }
      catch (ex) {
          // do nothing
      }
  }
docs: 初始化默认选项从 `package.json`#`tfux-options` 读取
  
  @param {Object} fis fis 实例