对于一个不是记录 Null Shape 类型的 Shapefile 文件，它所记录的空间目标的几何类型必须一致，不能在一个 Shapefile 文件中同时记录两种不同类型的几何目标。-For a record is not Null Shape types of Shapefile files, it recorded the geometry of space target type must agree, cannot at the same time in a Shapefile file