用户录音中，存在接听电话的行为，程序返回这个提示

<canvas class="hand-writing" disable-scroll="true" bindtouchstart="uploadScaleStart" bindtouchmove="uploadScaleMove" bindtouchend="uploadScaleEnd" canvas-id="handWriting"> const app = getApp() let pix = 5; let tempPath = []; Page({ data: { penColor: 'black', lineWidth: 1.2, ifLay: false, isEmpty: true, apiUrl:'', uuid: '', isChecked:false, busId:'', resId:'', faceAuthId:'', signFileId:[], shareholderId:'', conferenceId: '', authType: '', faceVerifyId: '', oppositionReason:'', time:0, busApplId:'', videoStatus:'', signAuthId:'', type:'4', busFile: null, timer:1800, singTimer:'', ctx:null, paths: [], // 路径二维数组 strokeWidth:5, i:'', signerId:'', rncId: '', faceId: '', applLen:'' }, onLoad: function (options) { let ctx = wx.createCanvasContext('handWriting'); // ctx.setFillStyle('transparent') // ctx.fillRect(0, 0, 1000, 1000) ctx.setLineWidth(this.data.strokeWidth) // ctx.draw() this.setData({ ctx }) }, radiochange(){ this.setData({ isChecked: !this.data.isChecked }) }, uploadScaleStart(e) { let point = { x: e.touches[0].x, y: e.touches[0].y }; tempPath = [point]; }, uploadScaleMove(e) { let point = { x: e.touches[0].x, y: e.touches[0].y }; tempPath.push(point) let ctx = this.data.ctx; ctx.moveTo(tempPath[tempPath.length - 2].x, tempPath[tempPath.length - 2].y) ctx.setLineCap('round') // ctx.setLineJoin('round') ctx.lineTo(point.x, point.y) ctx.stroke() ctx.draw(true) }, uploadScaleEnd: function (e) { let paths = this.data.paths; paths.push(tempPath); tempPath = []; // 利用临时数组来记录轨迹，最后保留，解决频繁setData导致性能急剧下降的问题 this.setData({ paths }) } })

在小程序视频通话中，远端用户退出房间，监听不到用户退房信息

多人视频，当第三人进房后，streamID会变成一样的，请问什么情况下会出现这个问题？

小程序多人实时音视频加入第三个人必然出现黑屏？

其他手机型号暂未遇到这个问题，mate30调取摄像头拍照，多次之后出现白屏

页面从 导航页 点击跳转到非导航页的页面， wx.navigateTo({ url: "../samplereport/samplereport" }); 跳转到该页面没有渲染，显示空白页

微信登录获取用户信息，报错 Cannot read property 'avatarUrl' of undefined;at page/home/index onLoad function;at api getStorage success callback function TypeError: Cannot read property 'avatarUrl' of undefined 这是怎么回事？