Converter支持null转换 [Issue #1776]

update.md

@@ -13,7 +13,7 @@
 * 兼容一些非官方excel的情况 [Issue #1527](https://github.com/alibaba/easyexcel/issues/1527)
 * 修改读的关闭流无效 [Issue #1840](https://github.com/alibaba/easyexcel/issues/1840)
 * 写入支持Collection [Issue #1834](https://github.com/alibaba/easyexcel/issues/1834)
-
+* `Converter`支持null转换 [Issue #1776](https://github.com/alibaba/easyexcel/issues/1776)
 
 # 2.2.8
 * 兼容07在特殊的excel的情况下，读取数据异常
@@ -40,8 +40,6 @@
 * 修复填充的时候，最后一行中间有空行会创建失败的bug
 * 修复`includeColumnIndexes`不包含第列 会无法导出数据的bug [Issue #1346](https://github.com/alibaba/easyexcel/issues/1346)
 * 修复`@NumberFormat`注解转换double时可能会丢失精度 [Issue #1306](https://github.com/alibaba/easyexcel/issues/1306)
-* `Converter`支持null转换 [Issue #1776](https://github.com/alibaba/easyexcel/issues/1776)
-
 
 # 2.2.3
 * 修改填充数据空数据的bug  [Issue #1274](https://github.com/alibaba/easyexcel/issues/1274)