✨ feat(多选规则控件): 说明弹框滚动问题修复

 <!--
  * @Date: 2022-08-30 11:34:19
  * @LastEditors: hookehuyr hookehuyr@gmail.com
- * @LastEditTime: 2023-02-07 15:04:09
+ * @LastEditTime: 2023-02-09 15:41:53
  * @FilePath: /data-table/src/components/MultiRuleField/index.vue
  * @Description: 多选规则确认控件
 -->
@@ -35,10 +35,10 @@
     </van-field>
   </div>
 
-  <van-overlay :show="show">
+  <van-overlay :show="show" :lock-scroll="false">
     <div class="rule-wrapper" @click.stop>
       <div class="rule-block">
-        <div style="height: 70vh; overflow: scroll; white-space: pre-wrap;" v-html="rule_content"></div>
+        <div style="height: 70vh; min-height: 70vh; overflow: scroll; white-space: pre-wrap;" v-html="rule_content"></div>
         <div class="close-btn">
           <van-button type="primary" block @click="closeRule"
             >关&nbsp;&nbsp;闭</van-button