修复两层遮罩

src/components/course/pica-video.vue

@@ -56,11 +56,11 @@
       </div>
       <!-- 播放遮罩 -->
       <transition name="fade">
-        <div v-show="isPaused" class="cover cover-play" @click="togglePlay"></div>
+        <div v-show="logged && isPaused" class="cover cover-play" @click="togglePlay"></div>
       </transition>
       <!-- 播放错误 -->
       <transition name="fade">
-        <div v-show="showError" class="cover cover-error">
+        <div v-show="logged && showError" class="cover cover-error">
           <p>播放失败，请确认网络正常或重新进入页面</p>
         </div>
       </transition>
@@ -144,7 +144,7 @@ export default {
   created() {
     this.vid = `video_${this._uid}`;
     const ua = navigator.userAgent;
-    this.isWechat = ua.match(/(MicroMessenger)\/([\d.]+)/);
+    // this.isWechat = ua.match(/(MicroMessenger)\/([\d.]+)/);
     this.isAndroid = ua.match(/(Android);?[\s\/]+([\d.]+)?/);
   },
   mounted() {