docs: function mergeShape(decoration, vLine, hLine) {
                  var decoBox = decoration.getFixRenderBox(), vLineBox = vLine.getFixRenderBox();
                  vLine.translate(decoBox.width - sin15 * SHAPE_DATA_WIDTH * 3, 0);
                  decoration.translate(0, vLineBox.height - decoBox.height);
                  vLineBox = vLine.getFixRenderBox();
                  hLine.translate(vLineBox.x + vLineBox.width - SHAPE_DATA_WIDTH / cos15, 0);
                  // 返回关键点数据
                  return {
                      x: vLineBox.x + vLineBox.width - SHAPE_DATA_WIDTH / cos15,
                      y: 0
                  };
              }