bug fixes

src/modules/viewer/components/player/chapterPlayer.vue

@@ -224,8 +224,9 @@ export default {
     updateChapterVideoProgress(time, durations) {
       // 登录用户信息
       const user = this.$store.state.user
+      const info = user.role === 2 ? user.staff_info : user.student_info
       const params = {
-        sid: user.student_info.id,
+        sid: info.id,
         uid: user.id,
         d: this.deviceId,
         i: this.deviceId,