function loadImage(imageURL, scale9grid) {
    // console.warn("loadImage",imageURL)
    return new Promise((resolve, reject) => {
        const image = wx.createImage();
        var startLoadTime = Date.now()
        image.onload = () => {
            let passTime = Date.now() - startLoadTime
            if (passTime > 1000) {
                console.warn("耗时：", passTime, imageURL)
            }
            const bitmapdata = new egret.BitmapData(image);
            const texture = new egret.Texture();
            texture._setBitmapData(bitmapdata);
            if (scale9grid) {
                texture["scale9Grid"] = scale9grid;
            }
            if (systemInfo == null) {
                systemInfo = wx.getSystemInfoSync();
            }
            if (systemInfo.platform == "ios") {
                setTimeout(() => {
                    resolve(texture);
                }, 0);
            } else {
                resolve(texture);
            }
        }
        image.onerror = (e) => {
            // console.error(e);
            const error = new RES.ResourceManagerError(1001, imageURL);
            reject(error);
        }
        image.src = imageURL;
    })
}

通过这种方式去远程加载图片，Android手机上集中在1800ms-5000ms，开发者工具上出现在1200ms-1500ms，表现就是模型加载异常缓慢，老板已经催炸天了，求搭救哇