新版saveImageToPhotosAlbum保存图片到相册，相册里找不到图片

wx.saveImageToPhotosAlbum({

filePath: that.data.canvasImg.canUrl,

success(res) {

wx.showToast({ title: ‘保存成功’, mask: true, icon: ‘success’, duration: 1000 });

},

fail: function (res) {

that.mPagObj.canBC = true;

}

})

提示保存成功了，在相册里找不到。开发工具测试OK