appleqzw opened a new issue, #18683: URL: https://github.com/apache/echarts/issues/18683
### Version 4.9.0 ### Link to Minimal Reproduction https://codepen.io/appleqzw-the-encoder/pen/ExdzEQv ### Steps to Reproduce view the site https://codepen.io/appleqzw-the-encoder/pen/ExdzEQv ### Current Behavior l set `grid.top:0` and `grid.bottom:0`,I found that the width of the top line is thinner than the others, and the bottom line is the same  if set`grid.top:4` and `grid.bottom:4`,then the line width is right,is this a bug? ### Expected Behavior Is there any other way to solve this problem? ### Environment ```markdown - OS: - Browser: - Framework: ``` ### Any additional comments? _No response_ -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
