该脚本有效，但是在通过色板颜色进行导出之前，插画家会将笔划大小重置为默认值。有谁知道为什么以及如何解决此问题？

#target illustrator

//get a reference to the the current document

var doc = app.activeDocument;
var mySelection = doc.selection;
var swatches = doc.swatches;

//select a folder to save images into
var savePath = Folder.selectDialog( 'Please select a folder to export swatch images into','~' );
//exported image dimensions
var width = 100;
var height = 100;
//PNG export options
var pngExportOpts = new ExportOptionsPNG24();
   pngExportOpts.antiAliasing = false;//keep it pixel perfect 
   pngExportOpts.artBoardClipping = false;//use the path's dimensions (setup above),ignore full document size
   pngExportOpts.saveAsHTML = false;
   pngExportOpts.transparency = true;//some swatches might have transparency


//go through the swatches


for(var i = 0; i < swatches.length; i++){
   //set the stroke colour based on the current swatch colour

   for(var j=0; j<mySelection.length; j++) { mySelection[j].strokeColor = swatches[i].color; }

   //export png
   doc.exportFile( new File( savePath+ '/' + swatches[i].name + '.png'),ExportType.PNG24,pngExportOpts );
   //remove any previous paths (in case of transparent swatches)

   //doc.pathItems.removeAll();
}