問題描述：
PS C:\WINDOWS\system32> docker pull rabbitmq
Using default tag: latest
Please login prior to pull:
Login with your Docker ID to push and pull images from Docker Hub. If you don't have a Docker ID, head over to https://h
ub.docker.com to create one.
Username (username@email.com):
Password:
Error response from daemon: Get https://registry-1.docker.io/v2/library/rabbitmq/manifests/latest: unauthorized: incorrect username or password
原因分析：
授權失敗，不正確的用戶名或者密碼。
解決方案：
Username使用用戶名而非郵箱地址。