<img width="682" alt="iShot_2024-08-15_19 59 17" src="https://github.com/user-attachments/assets/ebd901d3-d37d-4d1f-bca7-ce3c3198c6de"> 像图中所示,曲线会出个头,怎么让下边的fill area和端点最右边对齐呢,感谢