[图片][图片] 1图为安卓等正常情况 2图为异常 多处图标不显示 在安卓及其他端正常

"Component "xxx" does not have a method "true" to handle event "touchmove"." 提示这个东西 下面是代码 <canvas @touchstart="touchstart" @touchmove="touchmove" @touchend="touchend" :disable-scroll="true" canvas-id="xkx" id="xkx" style="width: 100%; height: 800rpx;"></canvas> methods: { createCanvas() { console.log("创建画")     //创建绘图对象     this.ctx = uni.createCanvasContext('xkx', this);     //设置画笔样式     this.ctx.lineWidth = 4;     this.ctx.lineCap = 'round';     this.ctx.lineJoin = 'round'; }, touchstart() { console.log("开始") console.log(e.changedTouches[0].x) console.log(e.changedTouches[0].y)      let startX = e.changedTouches[0].x;      let startY = e.changedTouches[0].y;      let startPoint = { X: startX, Y: startY };      this.points.push(startPoint);      //每次触摸开始，开启新的路径      this.ctx.beginPath(); }, touchmove(e) { console.log("开始移动") console.log(e.changedTouches[0].x) console.log(e.changedTouches[0].y)      let moveX = e.changedTouches[0].x;      let moveY = e.changedTouches[0].y;      let movePoint = { X: moveX, Y: moveY };      this.points.push(movePoint); //存点      let len = this.points.length;      if (len >= 2) {              this.draw(); //绘制路径      } }, true(e) { console.log("开始移动") console.log(e.changedTouches[0].x) console.log(e.changedTouches[0].y)      let moveX = e.changedTouches[0].x;      let moveY = e.changedTouches[0].y;      let movePoint = { X: moveX, Y: moveY };      this.points.push(movePoint); //存点      let len = this.points.length;      if (len >= 2) {              this.draw(); //绘制路径      } }, touchend() {      this.points = []; }, draw() { console.log("开始画") console.log("开始画")      let point1 = this.points[0];      let point2 = this.points[1];      this.points.shift();      this.ctx.moveTo(point1.X, point1.Y);      this.ctx.lineTo(point2.X, point2.Y);      this.ctx.stroke();      this.ctx.draw(true); }, clear() {     let that = this;     uni.getSystemInfo({             success: function(res) {                 let canvasw = res.windowWidth;                 let canvash = res.windowHeight;                 that.ctx.clearRect(0, 0, canvasw, canvash);                 that.ctx.draw(true);             }     }); }, close(){ this.$refs.caogao.close(); this.caogaoflag = false; } }