这次打开ppt文件，出现NPE错误，从堆栈错误信息看出，和SPIREPPT-2151的npe，不是同一个npe
文件传不上来，放到这里了https://netcut.cn/1gnu629ql
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java.lang.NullPointerException
at com.spire.presentation.packages.sprvsm.spr┥(Unknown Source)
at com.spire.presentation.converter.openxml.PptxBaseXmlElement.getEnumAttribute(Unknown Source)
at com.spire.presentation.TextParagraphProperties.spr︻∯(Unknown Source)
at com.spire.presentation.TextStyle.spr┢∯(Unknown Source)
at com.spire.presentation.packages.sprkbp.spr┢∯(Unknown Source)
at com.spire.presentation.packages.sprkbp.<init>(Unknown Source)
at com.spire.presentation.packages.sprkbp.spr∬┹(Unknown Source)
at com.spire.presentation.packages.sprune.<init>(Unknown Source)
at com.spire.presentation.collections.ShapeList.spr┩┹(Unknown Source)
at com.spire.presentation.collections.ShapeList.spr┖┺(Unknown Source)
at com.spire.presentation.GroupShape.<init>(Unknown Source)
at com.spire.presentation.GroupShape.<init>(Unknown Source)
at com.spire.presentation.ActiveSlide.spr∮┸(Unknown Source)
at com.spire.presentation.ActiveSlide.<init>(Unknown Source)
at com.spire.presentation.packages.sprrxp.<init>(Unknown Source)
at com.spire.presentation.packages.sprskp.spr⅓┹(Unknown Source)
at com.spire.presentation.packages.sprskp.spr┅┭(Unknown Source)
at com.spire.presentation.packages.sprskp.spr〠┹(Unknown Source)
at com.spire.presentation.packages.sprskp.<init>(Unknown Source)
at com.spire.presentation.packages.sprskp.<init>(Unknown Source)
at com.spire.presentation.Presentation.spr┲┹(Unknown Source)
at com.spire.presentation.Presentation.loadFromStream(Unknown Source)
at Main.main(Main.java:65)
