run(){

if(!this.isGameOver){

this.dataStore.get('background').draw();

const pencils = this.dataStore.get('pencils');

if (pencils[0].x + pencils[0].width <= 0 && pencils.length === 4) {

pencils.shift();

pencils.shift();

this.dataStore.get("score").isScore = true;

}

if (pencils[0].x <= (DataStore.getInstance().canvas.width - pencils[0].width) / 2 && pencils.length === 2) {

this.createPencil();

}

this.dataStore.get('pencils').forEach(function (value) {

value.draw();

})

this.dataStore.get('land').draw();

this.dataStore.get('score').draw();

this.dataStore.get('birds').draw();

let timer = requestAnimationFrame(() => this.run());

this.dataStore.put('timer', timer);

}else{

cancelAnimationFrame(this.dataStore.get('timer'));

this.dataStore.get('startButton').draw();

this.dataStore.destroy();

console.log('123');

wx.triggerGC();

}

}

请看加大字体内容

requestAnimationFrame绘制后，cancelAnimationFrame停止绘制。再把this.dataStore.get('startButton').draw();绘制上去。苹果iphone7显示正常。华为荣耀V10只显示停止后的图片。