yaodd123 opened a new issue #16574:
URL: https://github.com/apache/echarts/issues/16574
### Version
5.3.0
### Link to Minimal Reproduction
_No response_
### Steps to Reproduce
option = {
series: [
type: 'sankey',
......
],
color: ['red', '']
}
### Current Behavior
颜色中带有空字符串时报错，目前只发现桑基图报错，饼图、散点图等其他图表不报错。
### Expected Behavior
不报错
### Environment
```markdown
- OS:
- Browser:
- Framework:
```
### Any additional comments?
_No response_
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