### What problem does this feature solve? 展示数据更加准确  ### What does the proposed API look like? series-candlestick.itemStyle.color1:十字星 填充色 series-candlestick.itemStyle.borderColor1:十字星 边框色 <!-- This issue is generated by echarts-issue-helper. DO NOT REMOVE -->
What problem does this feature solve?
展示数据更加准确

What does the proposed API look like?
series-candlestick.itemStyle.color1:十字星 填充色
series-candlestick.itemStyle.borderColor1:十字星 边框色