vux框架的v-input清空按钮不起作用

 1 <group label-width="4em" label-align="right">
 2                 <div class="warpper">
 3                     <span>账号</span>
 4                     <x-input v-model="loginForm.username" ref="userInput" :show-clear="false" placeholder="请输入工号或手机号码">
 5                         <span slot="right">
 6                             <x-icon v-show="loginForm.username.length > 0" type="ios-close" size="18" @click.native="()=>{ $refs[‘userInput‘].reset() }"></x-icon>
 7                         </span>
 8                     </x-input>
 9                 </div>
10                 <div class="warpper">
11                     <span>密码</span>
12                   <x-input type="password" v-model="loginForm.password" ref="passInput" :show-clear="false" placeholder="请输入密码">
13                         <span slot="right">
14                             <x-icon v-show="loginForm.password.length > 0" type="ios-close" size="18" @click.native="()=>{ $refs[‘passInput‘].reset() }"></x-icon>
15                         </span>
16                     </x-input>
17                 </div>
18             </group>