报表生成pdf，文件过大的问题

app/public/report/js/rpt_jspdf.js

@@ -249,7 +249,7 @@ let JpcJsPDFHelper = {
                 area[3] = area[3] - offsetArea[3]; // Bottom
             }
             doc.addImage(imageData, 'PNG', area[0] * PDF_SCALE, area[1] * PDF_SCALE,
-                (area[2] - area[0]) * PDF_SCALE, (area[3] - area[1]) * PDF_SCALE);
+                (area[2] - area[0]) * PDF_SCALE, (area[3] - area[1]) * PDF_SCALE, undefined , 'FAST');
         }
 
         function private_drawCell(doc, ctx, cell, fonts, styles, controls, mergedBand) {