Yu Taixi

Results 2 issues of Yu Taixi

The merged cells in Excel, after being converted to Markdown, are split, resulting in a table with new empty cells,may lead to incorrect or lost information. before convert ![Image](https://github.com/user-attachments/assets/3de20159-9bd7-4bf2-a7d9-404e9c0195aa) after...

@PlexPt 问题如题,maven仓库中的版本,Message对象content是String类型,不支持图片参数