Merge branch 'dev' of http://git.ycjcjy.com/SpaceOfCheng/admin into dev

src/pages/system/caseManager/deviceManager/add.vue

     <form class="mainForm">
       <ul>
          <li class="flex-h">
-          <!-- <span>选择案场：</span> -->
+          <span>选择案场：</span>
           <div class="flex-item">
             <div style="width:50%">
               <el-select v-model="Case" placeholder="请选择">