code: function getPopFrameOpt_(obj, popOption) {
    var frameEle = null,
        dFrame = popOption.frame || {},
        framePath = dFrame.path;
    if (framePath) {
      frameEle = obj.componentOf(framePath);
      frameEle = frameEle && frameEle.fullClone();
      if (!frameEle) {
        if (!W.__design__) delete popOption.frame; // next time use default frame
        console.log('warning: can not locate popup frame (' + framePath + ').');
      }
    }
    return frameEle || null;
  }
docs: utils.popWin ----------