删除了 clearfix 相关的代码

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src/views/demo/plugins/mock/components/d2-demo-mock-card.vue

@@ -1,11 +1,11 @@
 <template>
   <el-card shadow="never" class="d2-mb">
-    <div slot="header" class="d2-clearfix">
+    <el-row type="flex" justify="end" slot="header">
       <el-button type="text" size="mini">{{title}}</el-button>
       <el-tooltip content="重新 mock 数据" placement="top-end">
         <el-button type="primary" size="mini" @click="$emit('reload')" class="d2-fr">刷新</el-button>
       </el-tooltip>
-    </div>
+    </el-row>
     <el-row :gutter="10">
       <el-col :span="12">
         <div class="col col-l">

src/views/system/log/index.vue

@@ -16,6 +16,9 @@
         <span class="log-message">{{log.message}}</span>
       </p>
     </section>
+    <template slot="footer">
+      <span>{{list.length}}条记录</span>
+    </template>
   </d2-container>
 </template>