fix

 <!--
  * @Date: 2022-08-30 11:34:19
  * @LastEditors: hookehuyr hookehuyr@gmail.com
- * @LastEditTime: 2023-02-21 20:58:52
+ * @LastEditTime: 2023-02-22 11:02:05
  * @FilePath: /data-table/src/components/RadioField/index.vue
  * @Description: 单项选择控件
 -->
@@ -19,7 +19,7 @@
           <div v-for="x in item.component_props.options" :key="x.value" class="radio-wrapper">
             <van-radio :name="x.value" icon-size="1rem" :checked-color="themeVars.radioColor"
               style="margin-bottom: 0.25rem">{{ x.title }}</van-radio>
-            <div class="van-multi-ellipsis--l3 rule-desc-text">{{ x.desc_text }}</div>
+            <div v-if="x.desc_text" class="van-multi-ellipsis--l3 rule-desc-text">{{ x.desc_text }}</div>
             <div v-if="x.desc_type === 'text'" class="rule-box" @click="showRule(x)">
               {{ x.desc_btn_name }}&nbsp;>>
             </div>