diff --git a/js/kiri-driver-sla.js b/js/kiri-driver-sla.js
index ee153c18..66c464bd 100644
--- a/js/kiri-driver-sla.js
+++ b/js/kiri-driver-sla.js
@@ -418,10 +418,15 @@ let gs_kiri_sla = exports;
             subcount = process.slaAntiAlias || 1,
             masks = [];
 
+        let d = 8 / subcount;
         for (let i=0; i<subcount; i++) {
-            masks.push(1 << subcount);
+            masks.push((1 << (8 - i * d)) - 1);
         }
-
+        // let d = 8 / subcount;
+        // let m = (1 << d) - 1;
+        // for (let i=0; i<subcount; i++) {
+        //     masks.push(m << (i * d));
+        // }
         let ccl = 0;
         let tcl = conf.lines.length * subcount;
         let converted = conf.lines.map((line, index) => {
diff --git a/js/kiri-export.js b/js/kiri-export.js
index cb50a297..eb943725 100644
--- a/js/kiri-export.js
+++ b/js/kiri-export.js
@@ -56,7 +56,7 @@ let gs_kiri_export = exports;
                 if (line.data) lines.push(line.data);
             }, function(done) {
                 times[`${seq++}_${segment}`] = Date.now() - mark;
-                console.log({export: times});
+                console.log(times);
                 API.show.progress(0);
                 currentPrint.sla = { lines, done, API };
                 KIRI.driver.SLA.printDownload(currentPrint);