连接到现有会话并尝试在其上发布时出现空白屏幕。出现 Flash 的“允许”/“拒绝”屏幕，但在按下允许后，发布者 div 中只有一个带有设置图标的黑屏。可能是什么问题？另一个浏览器实例也已打开，并且可以正常发布。
如果需要，这里是日志详细信息：
Connected [DEBUG] opentok: OpenTok JavaScript library v1.1.4
[DEBUG] opentok: Release notes: http://www.tokbox.com/opentok/api/tools/js/documentation/overview/releaseNotes.html
[DEBUG] opentok: Known issues: http://www.tokbox.com/opentok/api/tools/js/documentation/overview/releaseNotes.html#knownIssues
[DEBUG] opentok: TB.setLogLevel(4)
[DEBUG] opentok: TB.checkSystemRequirements()
[DEBUG] opentok: TB.initSession(...sessionId...)
[DEBUG] opentok: TB.addEventListener(sessionConnected)
[DEBUG] opentok: TB.addEventListener(sessionDisconnected)
[DEBUG] opentok: TB.addEventListener(connectionCreated)
[DEBUG] opentok: TB.addEventListener(connectionDestroyed)
[DEBUG] opentok: TB.addEventListener(streamCreated)
[DEBUG] opentok: TB.addEventListener(streamDestroyed)
[DEBUG] opentok: Session.connect(22055202)
[DEBUG] opentok: TB.checkSystemRequirements()
[DEBUG] opentok: TB.sessionConnected: ...sessionId... - 7626c1323c18263598e3f7661151a79a97a43bda
[DEBUG] opentok: TB.dispatchEvent(sessionConnected)
[DEBUG] opentok: TB.streamCreated
[DEBUG] opentok: TB.dispatchEvent(streamCreated)
[DEBUG] opentok: Session.subscribe(1695484121)
[DEBUG] opentok: TB.dispatchEvent(loaded)
[DEBUG] opentok: TB.streamPropertyChangedHandler
[DEBUG] opentok: TB.dispatchEvent(streamPropertyChanged)
[DEBUG] opentok: TB.initPublisher(opentok_publisher)
[DEBUG] opentok: Session.publish([object Object]):undefined
[DEBUG] opentok: Pending: publishToSession(...sessionId...,7626c1323c18263598e3f7661151a79a97a43bda,T1==cGFydG5lcl9pZD0yMjA1NTIwMiZzaWc9ZmEyNjkxYzA0OGY1MTA3ZDFjZDVmYWQ2Yjc5MzVkNjdiMDUyMDNjMzpzZX) on component publisher_1
[DEBUG] opentok: TB.resize
[DEBUG] opentok: Component loaded: publisher_1
[DEBUG] opentok: callFlash: publishToSession(...sessionId... ,7626c1323c18263598e3f7661151a79a97a43bda,T1==lPS0xMzc1OTg2NzE5JnJvbGU9cHVibGlzaGVyJmNvbm5lY3Rpb25fZGF0YT11c2VybmFtZSUzRG9uZSUyQ3VzZXJMZXZlbCUzRDE=,22055202) on component publisher_1
[DEBUG] opentok: TB.dispatchEvent(loaded)
[DEBUG] opentok: TB.deviceAccessHandler: accessDialogOpened
[DEBUG] opentok: TB.dispatchEvent(accessDialogOpened)
[DEBUG] opentok: TB.resize
[DEBUG] opentok: TB.deviceAccessHandler: accessDialogClosed
[DEBUG] opentok: TB.dispatchEvent(accessDialogClosed)
[DEBUG] opentok: TB.deviceAccessHandler: accessAllowed
[DEBUG] opentok: TB.dispatchEvent(accessAllowed)
[DEBUG] opentok: TB.micGainChangedHandler:50
[DEBUG] opentok: TB.dispatchEvent(microphoneGainChanged)
[DEBUG] opentok: TB.echoCancellationModeChangedHandler
[DEBUG] opentok: TB.dispatchEvent(echoCancellationModeChanged)
[DEBUG] opentok: TB.streamCreated
[DEBUG] opentok: TB.dispatchEvent(streamCreated)
[DEBUG] opentok: TB.deviceInactiveHandler
[DEBUG] opentok: TB.dispatchEvent(deviceInactive)
[DEBUG] opentok: TB.streamPropertyChangedHandler
[DEBUG] opentok: TB.dispatchEvent(streamPropertyChanged)
[DEBUG] opentok: TB.streamPropertyChangedHandler
[DEBUG] opentok: TB.dispatchEvent(streamPropertyChanged)
[DEBUG] opentok: Session.disconnect()
[DEBUG] opentok: TB.sessionDisconnected(clientDisconnected)
[DEBUG] opentok: Session.disconnectComponents() - disconnecting publishers and subscribers
[DEBUG] opentok: Pending: unpublishFromSession(...sessionId...) on component publisher_1
[DEBUG] opentok: callFlash: unpublishFromSession(...sessionId...) on component publisher_1
[DEBUG] opentok: Session.cleanupConnection() - removing controller
[DEBUG] opentok: TB.dispatchEvent(sessionDisconnected)
[DEBUG] opentok: Session.cleanup()
[DEBUG] opentok: Pending: cleanupView() on component publisher_1
[DEBUG] opentok: callFlash: cleanupView() on component publisher_1
[DEBUG] opentok: Session.unsubscribe(subscriber_1695484121_1)