1

 <template>
   <div class="navbar-con">
-    <div class="navbar" v-theme.background="mTheme">
+    <div class="navbar">
       <div class="logo">
         {{ title }}
       </div>
-      <!-- <div class="backdrop">
-        <theme style="float: right;height: 26px;width: 26px;margin-top: 26px;" @change="themeChange" />
-      </div> -->
+      <div class="backdrop">
+        <!-- <theme style="float: right;height: 26px;width: 26px;margin-top: 26px;" @change="themeChange" /> -->
+      </div>
       <div class="right-menu">
         <div class="dataView pointer" @click="handleDataView">大屏展示</div>
         <svg-icon class="function" icon-class='function' />