<el-input v-model="username" placeholder="用户名" @keyup.13="doLogin()"></el-input>
修改为:
<el-input v-model="username" placeholder="用户名" @keyup.13.native="doLogin()"></el-input>
<el-input v-model="username" placeholder="用户名" @keyup.13="doLogin()"></el-input>
修改为:
<el-input v-model="username" placeholder="用户名" @keyup.13.native="doLogin()"></el-input>