修改action #117

	name: Docker Image CI

	on:
	push:
	tags:
	- 'v*'
	# 每次 push tag 时进行构建，不需要每次 push 都构建。使用通配符匹配每次 tag 的提交，记得 tag 名一定要以 v 开头

	env:
	# 设置 docker 镜像名
	IMAGE_NAME: aibotk/wechat-assistant

	jobs:

	build:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2
	- name: Log into registry
	run: echo "${{ secrets.ACCESS_TOKEN }}" \| docker login -u aibotk --password-stdin
	- name: Get the version
	id: vars
	run: echo ::set-output name=tag::$(echo ${GITHUB_REF:10})
	- name: Set up Docker Buildx
	run: docker buildx create --name mybuilder --use
	- name: Enable Docker Buildx
	run: docker buildx use mybuilder
	- name: Build and push
	run: docker buildx build --platform linux/amd64,linux/arm64/v8,linux/arm/v7 -t ${{ env.IMAGE_NAME }}:${{ steps.vars.outputs.tag }} -t ${{ env.IMAGE_NAME }}:latest . --push

Provide feedback