Version

在线示例

Link to Minimal Reproduction

https://echarts.apache.org/examples/zh/editor.html?c=bar-race

Steps to Reproduce

开启背景色
设置series的showBackground: true,

Current Behavior

背景色与柱子分离了

Expected Behavior

背景色与柱子不分离

Environment

- OS:
- Browser:
- Framework:

Any additional comments?

No response