iot 样式问题修改

src/components/menu/SideMenu.vue

@@ -1,6 +1,6 @@
 <template>
   <a-layout-sider
-    :class="['sider', 'iot-menu-set', isDesktop() ? null : 'shadow', theme, fixSiderbar ? 'ant-fixed-sidemenu' : null ]"
+    :class="['sider', isDesktop() ? null : 'shadow', theme, fixSiderbar ? 'ant-fixed-sidemenu' : null, layoutMode === 'iotmenu' ? 'iot-menu-set' : '' ]"
     width="208px"
     :collapsible="collapsible"
     v-model="collapsed"