修改视频

src/modules/course/views/Player.vue

@@ -50,7 +50,7 @@ onMounted(() => {
     chapter_id: route.query?.chapterId as string
   }).then((res: any) => {
     // videoSrc.value = res.data.info?.FD
-    params._p = res.data?.cache?.pt
+    params._p = res.data?.cache?.pt || 0
     player = new Player({
       id: 'mse',
       url: res.data.info?.SD,