style: 提示选择命令导航

src/views/mmlManage/udmOperate/index.vue

@@ -329,9 +329,16 @@ onMounted(() => {
         <a-card
           size="small"
           :bordered="false"
-          :title="state.mmlSelect.title || '请选择左侧命令导航！'"
           :loading="!state.mmlSelect.title"
         >
+          <template #title>
+            <a-typography-text strong v-if="state.mmlSelect.title">
+              {{ state.mmlSelect.title }}
+            </a-typography-text>
+            <a-typography-text type="danger" v-else>
+              左侧命令导航中选择要操作项！
+            </a-typography-text>
+          </template>
           <!-- 插槽-卡片右侧 -->
           <template #extra>
             <a-space :size="8">