QA1 依赖的版本冲突
Could not resolve dependency:
peer vue@">= 2.5 < 2.7" from @vue/composition-api@1.7.1
node_modules/@vue/composition-api
@vue/composition-api@"^1.7.1" from the root project
peerOptional @vue/composition-api@"^1.0.0-rc.1" from vue-demi@0.13.11
node_modules/vue-demi
vue-demi@"^0.13.2" from vue-echarts@6.5.4
node_modules/vue-echarts
vue-echarts@"^6.5.4" from the root project
peerOptional @vue/composition-api@"^1.0.5" from vue-echarts@6.5.4
node_modules/vue-echarts
vue-echarts@"^6.5.4" from the root project
Conflicting peer dependency: vue@2.6.14
node_modules/vue
peer vue@">= 2.5 < 2.7" from @vue/composition-api@1.7.1
node_modules/@vue/composition-api
@vue/composition-api@"^1.7.1" from the root project
peerOptional @vue/composition-api@"^1.0.0-rc.1" from vue-demi@0.13.11
node_modules/vue-demi
vue-demi@"^0.13.2" from vue-echarts@6.5.4
node_modules/vue-echarts
vue-echarts@"^6.5.4" from the root project
peerOptional @vue/composition-api@"^1.0.5" from vue-echarts@6.5.4
node_modules/vue-echarts
vue-echarts@"^6.5.4" from the root project
Fix the upstream dependency conflict, or retry
this command with --force or --legacy-peer-deps
to accept an incorrect (and potentially broken) dependency resolution.
解决：