diff --git a/src/components/VideoPlayer/index.vue b/src/components/VideoPlayer/index.vue
index 5afd1cec..03dc0627 100644
--- a/src/components/VideoPlayer/index.vue
+++ b/src/components/VideoPlayer/index.vue
@@ -619,7 +619,9 @@ export default {
      */
     handleFullscreenChange() {
       console.log("handleFullscreenChange gx this.isFullScreen()",this.isFullScreen())
-      if(!this.isFullScreen()){
+      console.log("handleFullscreenChange gx this.isFullscreen",this.isFullscreen)
+    
+      if(this.isFullscreen){
         this.isFullscreen = !!document.fullscreenElement;
         if (!this.isFullscreen) {
           // 退出全屏后的逻辑（如暂停视频、更新 UI 等）
diff --git a/src/views/study/coursenew.vue b/src/views/study/coursenew.vue
index 5159a94f..1dc19834 100644
--- a/src/views/study/coursenew.vue
+++ b/src/views/study/coursenew.vue
@@ -1158,26 +1158,7 @@
         //   }
         // }
       },
-
-      onPlayerPlayFullscreen(){
-        let divId = 'videowatermark';
-        var div = document.getElementById('myVideoPlayer')
-        var div3 = document.createElement("div");
-        div3.id = divId;
-        div3.setAttribute("class", "fullmark");
-        div3.innerHTML = '';
-        //从父组件传过来的水印内容
-        //div3.innerText =this.userInfo.name+this.userInfo.code;
-        for (var i = 0; i < 8; i++) {
-          div3.innerHTML +=
-            '<div style="color:#ffffff;width: 40%;height: 155px;padding-left:60px;padding-top:50px; display: flex;justify-content: center; transform: rotate(-36deg);font-size:20px;">' +
-            this.userInfo.name + this.userInfo.loginName + '</div>';
-        }
-        div3.style.cssText =
-          "position:absolute;pointer-events: none; width: 100%;height: 100%;top:0;left:0;bottom: 0;right: 0; display: flex;justify-content: center;flex-wrap: wrap;overflow: hidden; opacity:0.3;padding-top:10px";
-        div.appendChild(div3);
-      },
-
+      
       onFullscreen(full) {
         let divId = 'videowatermark';
         var div = document.getElementById('myVideoPlayer')