打开 .ism 文件， 搜索 “SchemaVersion”对应的数字和版本关系如下：761 = IS11763 = IS11.5 765 = IS12 766 = IS2008 768 = IS2009 769 = IS2010 770 = IS2010771 = IS2011772 = IS2012775 = IS2014776 = IS2015777 = IS2016
