导出ZonedDateTime类型时报错，栈溢出

[sunluojia]

java.lang.StackOverflowError at cn.idev.excel.write.metadata.style.WriteFont.hashCode(WriteFont.java:20) at cn.idev.excel.write.metadata.style.WriteCellStyle.hashCode(WriteCellStyle.java:26) at cn.idev.excel.write.style.HorizontalCellStyleStrategy.hashCode(HorizontalCellStyleStrategy.java:22) at java.base/java.util.ArrayList.hashCodeRange(ArrayList.java:677) at java.base/java.util.ArrayList.hashCode(ArrayList.java:664) at cn.idev.excel.write.metadata.holder.AbstractWriteHolder.hashCode(AbstractWriteHolder.java:57) at cn.idev.excel.write.metadata.holder.WriteSheetHolder.hashCode(WriteSheetHolder.java:27) at java.base/java.util.Objects.hashCode(Objects.java:103) at java.base/java.util.HashMap$Node.hashCode(HashMap.java:299) at java.base/java.util.AbstractMap.hashCode(AbstractMap.java:528)
添加类型转换后成功