diff --git a/assets/js/nodeppt.control.js b/assets/js/nodeppt.control.js
index a9f65d314..0dbd1d64f 100755
--- a/assets/js/nodeppt.control.js
+++ b/assets/js/nodeppt.control.js
@@ -40,8 +40,6 @@
                     t.sendKeyEvent(67);
                 }).on('paint points', function(points) {
                     var data = {
-                        pencolor: $doc.getElementById("drawBoard").context.strokeStyle, //画笔颜色
-                        penlineWidth: $doc.getElementById("drawBoard").context.lineWidth,  //画笔宽度
                         points: points,
                         screen: {
                             width: $doc.body.offsetWidth,