vue vue.esm.js?efeb:628 [Vue warn]: v-bind without argument expects an Object or Array value

vue.esm.js?efeb:628 [Vue warn]: v-bind without argument expects an Object or Array value

报错原因： v-bind 后面没有定义属性

<div v-bind="msg">{{msg}}</div>

改正确为：

<div v-bind:msg="msg">{{msg}}</div>