Update video.tsx

src/student/pre-register-active/video.tsx

@@ -599,11 +599,15 @@ export default defineComponent({
     })
 
     onUnmounted(() => {
-      forms.player?.fullscreen.exit()
+      forms.player?.fullscreen?.exit()
       forms.intervalFnRef?.pause()
       currentTimer.pause()
       // 页面计时暂停
       pageTimer.pause()
+
+      forms.player?.pause();
+      forms.player?.src('');
+      forms.player?.dispose();
     })
 
     // 判断是否有openId