fix bug

src/page/index/top/top-lock.vue

@@ -2,7 +2,7 @@
   <span v-if="text" @click="handleLock">{{ text }}</span>
   <i v-else class="icon-suoping" @click="handleLock"></i>
   <el-dialog title="设置锁屏密码" v-model="box" width="30%" append-to-body>
-    <el-form :model="form" ref="form" label-width="80px">
+    <el-form :model="form" ref="form" label-width="auto">
       <el-form-item
         label="锁屏密码"
         prop="passwd"