nice work with small typo

[penchy-zju]

https://github.com/lourain/x6-flow/blob/08d8b105f4265d8db8f830d46beaf62c48ca6150/src/component/CellInfo.vue#L21C22-L21C32

When I build with npm run build, it runs into the following error:
'defineEmit' is not exported by node_modules/.store/vue@3.3.4/node_modules/vue/dist/vue.runtime.esm-bundler.js, imported by src/component/CellInfo.vue

actually is defineEmits