merge

src/views/vote/signup.vue

         <span class="desc">上传您认为最美的全家福照片</span>
       </div>
       <van-uploader :after-read="onRead">
-        <img class="uploadimgbox" :src="uploadimg">
+        <img class="uploadimgbox" :src="uploadimg" @load="closetoast">
       </van-uploader>
       <div class="WriteWord" v-if="theme===1">
         <img :src="theme===1?yttjpen:yjspen">