uni-app获取用户头像下载失败

 uni.getUserInfo({
	provider: 'weixin',
	success: function(result) {				
		let userinfo= result.userInfo
		console.log(userinfo)
	}
});

				uni.downloadFile({
					url: userInfo.avatarUrl,
					success: function(res) {
						uni.hideLoading();
						self.avatarPath = res.tempFilePath;
					},
					fail: function(e) {
						console.log(e);
						uni.hideLoading();
						uni.showModal({
							title: '图片加载超时',
							content: "网络异常，请稍后重试",
							success(res) {
								if (res.confirm) {
									self.downloadAvatarAndPaintAll(imageUrl);
								} else if (res.cancel) {
									console.log('用户点击取消');
								}
							}
						})
					}
				})

userInfo.avatarUrl = result.detail.avatarUrl.replace("132", "0").replace('https://thirdwx.qlogo.cn', 'https://wx.qlogo.cn');