[图片] 真机调试看到直播封面正常返回图片路径 期望看到的封面信息 [图片] 实际看到的封面信息 [图片] 真机上显示 [图片]

cutawayCanvasFn(_this) {       let that = this;       console.log(`createCanvasContext image-canvas`)       const ctx = wx.createCanvasContext("image-canvas",that);       console.log('ctx',ctx)       // that.canvas = uni.createCanvasContext("image-canvas", that);       // 获取屏幕的宽高，对图片进行剪裁准备       wx.getSystemInfo({         success(res) {           console.log('获取屏幕的宽高',res)           let windowWidth = res.windowWidth;           let windowHeight = res.windowHeight;           that.windowWidth = windowWidth;           that.windowHeight = windowHeight;           wx.getImageInfo({             src: that.ocrImgUrl,             success(res) {               console.log('获取图片信息',res)               //过渡页面中，图片的路径坐标和大小               ctx.drawImage(that.ocrImgUrl,0,0,windowWidth,windowHeight);               let newX = (windowWidth - 335) / 2;               let newY = windowHeight / 2 - 129;               let newWidth = 335;               let newHeight = 129;               // ctx.setStrokeStyle("red"); // 描边               ctx.strokeRect(newX, newY, newWidth, newHeight); // 裁切               ctx.restore()               ctx.draw(false, function(res){                 console.log(`that.canvas.draw sueccess`,res)               });               setTimeout(() => {                 wx.hideLoading()                 console.log('剪裁开始',_this,that,that.canvas)                 wx.canvasToTempFilePath({                   //裁剪对参数                   x: newX, //画布x轴起点                   y: newY, //画布y轴起点                   width: newWidth, //画布宽度                   height: newHeight, //画布高度                   destWidth: newWidth, //输出图片宽度                   destHeight: newHeight, //输出图片高度                   canvasId: "image-canvas",                   success(res) {                     that.filePath = res.tempFilePath;                     that.newImageSrc = res.tempFilePath;                     //清除画布上在该矩形区域内的内容。                     that.canvas.clearRect(0, 0, windowWidth, windowHeight);                     that.canvas.drawImage(                       that.filePath,                       newX,                       newY,                       newWidth,                       newHeight                     );                     that.canvas.draw();                     //在此可进行网络请求                     // that.SaveVehicleImage(that.newImageSrc);                   },                   fail(e) {                     console.log(e)                     wx.hideLoading();                     wx.showToast({                       title: "出错啦...",                       icon: "loading"                     });                   }                 },that);               }, 5000);             }           });         }       });     },