[]在一个页面多放几个iframe，里面使用引擎，一般3-4个就报错了

Uncaught DOMException: Failed to construct 'AudioContext': The number of hardware contexts provided (6) is greater than or equal to the maximum bound (6).
at Function.<anonymous> (<anonymous>:10787:310)
at Function.get (<anonymous>:168:66)
at Function.WebAudioSound.initWebAudio (<anonymous>:10773:21)
at Function.Browser.__init__ (<anonymous>:6184:57)
at Function.Browser.createElement (<anonymous>:6241:12)
at Function.WebGL.isWebGLSupported (<anonymous>:3463:23)
at Function.WebGL.enable (<anonymous>:3171:15)
at Function.Laya3D.init (<anonymous>:13337:38)
at Object.os.init (<anonymous>:17:16)

好像白鹭的也这样，可能是AudioContext的问题 请查看下做出处理