<div style="padding: 7px;">
<span>Surfer</span>
</div>
- <div>
- <el-button type="primary" size="small" icon="el-icon-arrow-left" v-show="pathParts.slice(-1).length" @click="onUp"></el-button>
+ <div v-show="session.valid">
+ <el-button type="primary" size="small" icon="el-icon-arrow-left" :disabled="!pathParts.slice(-1).length" @click="onUp"></el-button>
</div>
<div style="flex-grow: 2; padding: 0 7px;" v-show="session.valid">
<el-breadcrumb separator-class="el-icon-arrow-right">