占位符优化

src/views/platformSection/regionManage/adminManage.vue

         {
           title: "最后登录IP",
           key: "lastip",
-          width: 150,
           align: "center"
         },
         {

src/views/schoolSection/deviceManage/breakRuleDevice.vue

           placeholder="请输入设备号"
           search
           @on-search="searchList()"
-          style="width: 310px"
+          style="width: 200px"
         />
       </div>
       <div class="search_right">

src/views/schoolSection/deviceManage/deviceManage.vue

           </Select>
           <Input
             v-model="searchForm.name"
-            placeholder="请输入名姓名、登录名、设备名、设备型号"
+            placeholder="请输入登录账号、姓名、设备型号、设备号"
             search
             @on-search="searchList()"
             style="width: 310px"

src/views/schoolSection/deviceManage/inLineDevice.vue

         </Select>
         <Input
           v-model="searchForm.name"
-          placeholder="请输入姓名、登录账号、设备号、设备型号"
+          placeholder="请输入登录账号、姓名、设备型号、设备号"
           search
           @on-search="searchList()"
           style="width: 310px"

src/views/schoolSection/deviceManage/outControlDevice.vue

         </Select>
         <Input
           v-model="searchForm.name"
-          placeholder="请输入姓名、登录账号、设备号、设备型号"
+          placeholder="请输入登录账号、姓名、设备型号、设备号"
           search
           @on-search="searchList()"
           style="width: 310px"

src/views/schoolSection/deviceManage/removeControlDevice.vue

       <div class="search_left">
         <Input
           v-model="searchForm.name"
-          placeholder="请输入姓名、登录账号、设备号、设备型号"
+          placeholder="请输入登录账号、姓名、设备型号、设备号"
           search
           @on-search="searchList()"
           style="width: 310px"

src/views/schoolSection/log/deviceEvents.vue

     <div class="table_wrap">
       <Table :columns="columns" :data="searchForm.list">
         <template slot-scope="{ row }" slot="doEventSlot">
-          <!-- 1发送消息 2解除锁定 3锁定 4更新策略 5重启设备 6恢复出厂 -->
           <div>{{ doEventInfo[row.doEvent] }}</div>
         </template>
         <template slot-scope="{ row }" slot="violatedSlot">