头部header图片显示不出来。

[myLightLin]

vue.esm.js?efeb:591 [Vue warn]: Error in render: "TypeError: Cannot read property 'avatar' of undefined"

found in

---> at src\components\header\header.vue
at src\App.vue

vue.esm.js?efeb:1741 TypeError: Cannot read property 'avatar' of undefined
at Proxy.render (eval at ./node_modules/vue-loader/lib/template-compiler/index.js?{"id":"data-v-0f66b2fc","hasScoped":false,"transformToRequire":{"video":["src","poster"],"source":"src","img":"src","image":"xlink:href"},"buble":{"transforms":{}}}!./node_modules/vue-loader/lib/selector.js?type=template&index=0!./src/components/header/header.vue (app.js:980), :9:37)