app.tunnel可以返回json对象 但是console.log(app.tunnel.socketUrl)显示null(看正文)

[C635939636]

console.log(app.tunnel); console.log(JSON.stringify(tunnel);); console.log(app.tunnel.socketUrl);

//app.tunnel Tunnel {serviceUrl: "https://mi4yyjel.qcloud.la/weapp/tunnel", socketUrl: null, status: "CONNECTING", open: ƒ, on: ƒ, …} close : ƒ close() emit : ƒ emitMessagePacket(messageType, messageContent) isActive : ƒ isActive() isClosed : ƒ isClosed() isConnecting : ƒ isConnecting() isReconnecting : ƒ isReconnecting() on : ƒ registerEventHandler(eventType, eventHandler) open : ƒ openConnect() serviceUrl : "https://mi4yyjel.qcloud.la/weapp/tunnel" socketUrl : "wss://mi4yyjel.ws.qcloud.la/qcloud/ws?tunnelId=4660fd8e-da23-48ab-88fc-6cb4aecc206e&tcId=125ecb3977c2fb8b405f53f15fb52fe2" status : "ACTIVE" proto : Object

//app.tunnel.socketUrl {"serviceUrl":"https://mi4yyjel.qcloud.la/weapp/tunnel","socketUrl":null,"status":"CONNECTING"}

//app.tunnel.socketUrl null