2.1.3版本 Cannot read property 'startsWith' of undefined

Creator 2.x
#1

airplane.spritrFrame = “resources/textures/planes/airplane-01.png”,
page.getChildByName(‘anim’).getComponent(cc.Sprite).spritrFrame = new cc.SpriteFrame(cc.url.raw(airplane.spritrFrame));
报错如题，求教啊！（不方便使用编辑器动态切换）