"fix: 问题修复

1、视频切换闪一下；2、swiper不从第一个开始；3、circular改变导致swiper刷
新问题预解决"

src/components/custom/video.wpy

@@ -5,31 +5,31 @@
       duration="500"
       circular="{{circular}}"
       vertical
-      current="1"
+      current="0"
       bindchange="moveSwiper">
       <swiper-item wx:for="{{curQueue}}" wx:key="index">
         <view class="video-swiper">
           <video
             class="video-item"
+            :class="{ show: item.showType && item.showType.value == 2 }"
             id="video_{{index}}"
             loop
             enable-progress-gesture="{{false}}"
             show-center-play-btn="{{false}}"
             controls="{{false}}"
-            src="{{currentIndex == index ?item.videoUrl :null}}"
+            src="{{item.videoUrl}}"
             data-id="{{item.id}}"
             object-fit="contain"
             data-index="{{index}}"
             @tap="videoTap"
             custom-cache="{{false}}"
-            wx:if="{{item.showType && item.showType.value ==2}}"
             bindplay="loadMedia"
             bindloadedmetadata="loadMedia"
           >
             <video-pause :pause="videoPause"></video-pause>
-            <van-loading type="spinner" size="40" v-if="videoLoading"  custom-class="video-loading"/>
-            <!--<video-loading v-if="videoLoading" :snapshot="item.videoSnapUrl"/>-->
           </video>
+          <van-loading type="spinner" size="40" v-if="videoLoading"  custom-class="video-loading"/>
+          <!-- <video-loading v-if="videoLoading" :snapshot="item.videoSnapUrl"/> -->
           <van-image wx:if="{{item.showType && item.showType.value ==1}}" use-loading-slot src="{{item.photoUrl || item.videoSnapUrl}}" class="images" radius="10rpx" fit="contain" width="100%" height="100%">
             <van-loading slot="loading" type="spinner" size="20" vertical/>
           </van-image>
@@ -72,7 +72,7 @@
       prevQueue: [],
       curQueue: [],
       circular: false,
-      _last: 1,
+      _last: -1,
       _invalidUp: 0,
       _invalidDown: 0,
       _videoContexts: [],
@@ -214,12 +214,12 @@
           circular = false;
         }
         this.curQueue = [...curQueue];
+        setTimeout(() => {
           this.circular = circular;
+        }, 600);
       },
       playCurrent (current) {
         this.$nextTick(() => {
-          if (playTimer) clearTimeout(500);
-          playTimer = setTimeout(() => {
           this.curQueue[current] && this.getProgress(this.curQueue[current].id);
           // 滑动到当前元素时，其他video都暂停，只播放当前video
           this._videoContexts.forEach(function (ctx, index) {
@@ -232,7 +232,6 @@
             }
           });
           this.updateAwardsInfo(current);
-          }, 500);
         });
       },
       videoTap(e) {
@@ -307,6 +306,10 @@
     position: absolute;
     background-color: #000;
     z-index: 1;
+    display: none;
+    &.show {
+      display: block;
+    }
   }
   .video-loading {
     position: absolute;