The file extension is not supported by Shapefile data provider.
后端返回：文件上传失败：The file extension is not supported by Shapefile data provider.
表明此时上传/处理的文件不符合标准。
后端返回：文件上传失败：The file extension is not supported by Shapefile data provider.
表明此时上传/处理的文件不符合标准。