版本v1.4.2，win
请各位大兄弟帮忙看看，这个问题有时有，有时刷新一下就可能没有了，新手一枚，这个没有说脚本哪里错了，这个svg.js是modules里的文件，不知道和我的脚本有什么关系
报错信息
TypeError: Cannot read property 'node' of null at create.parent (C:\CocosCreator\resources\app.asar\node_modules\svg.js\dist\svg.js:1156:19) at create.doc (C:\CocosCreator\resources\app.asar\node_modules\svg.js\dist\svg.js:1163:52) at create.filter (C:\CocosCreator\resources\app.asar\node_modules\svg.filter.js\dist\svg.filter.js:130:22) at t.value (C:\CocosCreator\resources\app.asar\editor\page\gizmos\elements\icon-gizmo.js:1:1436) at t.value (C:\CocosCreator\resources\app.asar\editor\page\gizmos\elements\gizmo.js:1:1322) at _updateGizmos (C:\CocosCreator\resources\app.asar\editor\page\scene-utils\engine-events.js:1:1267) at Array.forEach (native) at _updateGizmos (C:\CocosCreator\resources\app.asar\editor\page\scene-utils\engine-events.js:1:1288) at Array.forEach (native) at _updateGizmos (C:\CocosCreator\resources\app.asar\editor\page\scene-utils\engine-events.js:1:1288)
粒子系统父节点运动代码
var action1 = cc.moveBy(1, cc.p(0, -200)).easing(cc.easeIn(0.6));
var action2 = cc.moveBy(1, cc.p(0, 200)).easing(cc.easeOut(0.6));
var seq1 = cc.sequence(action1, action2);
var action3 = cc.moveBy(2, cc.p(20, 0));
var action4 = cc.moveBy(2, cc.p(-20, 0));
var spawn1 = cc.spawn(action3, seq1);
var spawn2 = cc.spawn(action4, seq1);
var seq2 = cc.sequence(spawn1, spawn2);
this.node.runAction(cc.repeatForever(seq2));