diff --git a/pages/application/onlinexxks/video_study.vue b/pages/application/onlinexxks/video_study.vue
index cc28a1a..8ee7bf3 100644
--- a/pages/application/onlinexxks/video_study.vue
+++ b/pages/application/onlinexxks/video_study.vue
@@ -471,9 +471,7 @@ export default {
           cancelButtonText: "否",
           success: (res) => {
             if (res.confirm) {
-              if (videoContext && videoContext.fullScreen) {
-                videoContext.exitFullScreen()
-              }
+              videoContext && videoContext.exitFullScreen()
               uni.navigateTo({
                 url: '/pages/application/onlinexxks/course_exam?STAGEEXAMPAPERINPUT_ID=' + resData.paper.STAGEEXAMPAPERINPUT_ID + '&STAGEEXAMPAPER_ID=' + resData.paper.STAGEEXAMPAPERINPUT_ID + '&CLASS_ID=' + this.CLASS_ID + '&POST_ID=' + resData.pd.POST_ID + '&STUDENT_ID=' + this.STUDENT_ID + '&NUMBEROFEXAMS=' + resData.pd.NUMBEROFEXAMS + '&entrySite=video_study'
               })