修改样式

src/modules/school/course/components/VideoPlayer.vue

 <template>
   <el-dialog :title="info.title" v-bind="$attrs" v-on="$listeners" width="800px" top="20vh">
-    <video id="videoPlayer" width="750" class="video-js" controls="controls"></video>
+    <video id="videoPlayer" width="760" class="video-js" controls="controls"></video>
   </el-dialog>
 </template>
 <script>
@@ -27,7 +27,6 @@ export default {
         type: 'application/x-mpegURL'
         // withCredentials: true
       })
-      console.log(123)
       this.player.play()
     }, 300)
   },
@@ -37,7 +36,4 @@ export default {
 }
 </script>
 <style scoped>
-video{
-  width:100%;
-}
 </style>