CAD File(dwg) Linetype Cannot Preserve After Exporting to CAD

[MatsHardy]

I have prepared a dwg file with pre-defined layers.

MatsHardy_0-1637564812519.png

Then I use the "Export to CAD" tool to convert a shapefile to DWG

MatsHardy_1-1637565270774.png

Some linetypes in pre-defined layers in output dwf become continuous lines.

MatsHardy_2-1637565622460.png

Anyone has ideas?