使用@group标签模板，SaveAsByTemplate方法抛出空指针异常

[nelson820125]

Excel Type

• [x] XLSX
• [ ] XLSM
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下面这个文件的代码存在异常，下载源码使用@group标签的模板，然后导入List<>对象，抛出了空指针异常

MiniExcel Version

1.34.1

Description

这里这个IList

[nelson820125]

类：ExcelOpenXmlTemplate 方法：private void WriteSheetXml(Stream stream, XmlDocument doc, XmlNode sheetData, bool mergeCells = false)