Version

3.0.2

Reproduction link

https://new-issue.vuejs.org/?repo=vuejs/vue-cli&lang=zh-cn

Node and OS info

node 8.11.3

Steps to reproduce

vue create demo

✨ Creating project in E:\dev\hello-world.
🗃 Initializing git repository...
⚙ Installing CLI plugins. This might take a while...

'yarn' �����ڲ����ⲿ���Ҳ���ǿ����еij���
���������ļ���
ERROR command failed: yarn

What is expected?

create a demo success

What is actually happening?

error