feat: 中奖详情优化

pages/recordDetail/index.vue

@@ -17,10 +17,14 @@
             <span v-if="detailInfo.drawTime">{{ (detailInfo.drawTime * 1000) | formatDate('YYYY-MM-DD HH:mm') }}</span>
           </li>
           <li>
+            <label>中奖说明：</label>
+            <span>{{ detailInfo.drawIntro }}</span>
+          </li>
+          <li>
             <label>获得奖品：</label>
             <div>
               <p>{{ detailInfo.prizeName }}</p>
-              <img v-lazy="detailInfo.prizeIcon" class="record-detail__info-img" alt="" />
+              <img v-if="detailInfo.prizeIcon" v-lazy="detailInfo.prizeIcon" class="record-detail__info-img" alt="" />
             </div>
           </li>
           <li>