点击遮罩层关闭报名按钮恢复

src/components/Share/index.vue

@@ -1,6 +1,6 @@
 <template>
     <div class="">
-        <van-overlay :show="show"  />
+        <van-overlay :show="show"  @click="$emit('closeShare')" />
         <img src="@/assets/images/share/tip.png" alt="" class="tip" v-if="show" @click="$emit('closeShare')">
         <img src="@/assets/images/share/ai.gif" alt="" class="ai" v-if="show" >
         <img src="@/assets/images/share/shadow.png" alt="" class="shadow">

src/views/activity/detail.vue

@@ -46,7 +46,7 @@
                     <template #icon>
                         <img src="@/assets/images/icons/share.png" alt="" class="img_20">
                     </template> 转发</van-button>
-                <van-button type="info" size="small"   round @click="save" v-if="info.online === 1">立即报名</van-button>
+                <van-button type="info" size="small" :disabled="new Date(this.info.cutOffTime.replace(/-/g, '/')).getTime() < Date.now() || this.info.currentParticipants >= this.info.participants"  round @click="save" v-if="info.online === 1">立即报名</van-button>
             </div>
         </div>
         <Share :show="showShare" @closeShare="showShare = false" />