从dockerhub中提取docker映像时，出现以下错误：
Using default tag: latest
latest: Pulling from wurstmeister/zookeeper
a3ed95caeb02: Pulling fs layer
ef38b711a50f: Pulling fs layer
e057c74597c7: Pulling fs layer
666c214f6385: Waiting
c3d6a96f1ffc: Waiting
3fe26a83e0ca: Waiting
3d3a7dd3a3b1: Waiting
f8cc938abe5f: Waiting
9978b75f7a58: Waiting
4d4dbcc8f8cc: Waiting
6e2141080cee: Waiting
7b01624d9a37: Waiting
438e659516b8: Waiting
504083860edf: Waiting
9e313884ca1b: Waiting
7f32922adacf: Waiting
error pulling image configuration: Get https://registry-1.docker.io/v2/wurstmeister/zookeeper/blobs/sha256:351aa00d2fe9804ed202bb3c1e0f7a337f2a2c316ad87f5e4b3cd052f263782b: proxyconnect tcp: dial tcp 152.15.252.31:8080: i/o timeout
如何在docker中增加此超时参数值？由于有时我的互联网连接速度很慢。