cocos creator web端纹理问题

纹理有的时候回出现黑色块,android机子出现的概率比较高,我场景是勾选了自动资源释放的,不知道是不是这个原因,我纹理都是在加载场景里面一次性加载下来的,下面是代码
cc.loader.loadResDir(“Plist”,cc.SpriteAtlas,
function (completedCount, totalCount, item) {
var percent = (completedCount - currentResCount) / (totalCount - currentResCount);
percent = percent.toFixed(2);
self._progressBar.progress = percent;
},
function (err, assets) {
// 加载音效
cc.userGame.music.preload();
// 存储到对象
for(var i = 0; i < assets.length; i++){
var asset = assets[i];
// if(asset.name === “loading_scene.plist”){
// cc.loader.setAutoReleaseRecursively(asset, true);
// } else {
// cc.loader.setAutoReleaseRecursively(asset, false);
// }
cc.userGame.plistCache.addPlistCache(asset.name.replace(".plist",""), asset);
}
// 存储预载体
cc.loader.loadResDir(“Effect”, function (err, prefab) {
for (var i = 0; i < prefab.length; ++i) {
var name = prefab[i].name;
cc.userGame.prefabsMap[name] = prefab[i];
}
});
cc.loader.loadResDir(“Prefab”, function (err, prefab) {
for (var i = 0; i < prefab.length; ++i) {
var name = prefab[i].name;
cc.userGame.prefabsMap[name] = prefab[i];
}
self.loadingResourcesCompleted();
});
}
);

有人遇到过吗,用的是cocos creator 1.6.2版本