diff --git a/src/views/study/coursenew.vue b/src/views/study/coursenew.vue
index 5e26d49b..f223f7e3 100644
--- a/src/views/study/coursenew.vue
+++ b/src/views/study/coursenew.vue
@@ -1140,6 +1140,7 @@
         //   }
         // }
         this.playerBoxShow = false;
+        this.$watermark.set(this.userInfo.name + this.userInfo.loginName);
         let $this = this;
         //这里有些不准备，如果文件未能加载，这个事件就是错误的
         this.isAppendTime=true;