var query = this.createSelectorQuery();
    query.select('.ec-canvas').boundingClientRect(function (res) {
      console.log('query');

      if (typeof callback === 'function') {
        _this.chart = callback(canvas, res.width, res.height);
      } else if (_this.ec && typeof _this.ec.onInit === 'function') {
        _this.chart = _this.ec.onInit(canvas, res.width, res.height);
      } else if (_this.ec && _this.ec.options) {
        var ec = _this.ec;
        console.log('--options--');

        _this.chart = initChart(canvas, res.width, res.height, ec);
      } else {
        _this.triggerEvent('init', {
          canvas: canvas,
          width: res.width,
          height: res.height
        });
      }
    }).exec();