diff --git a/src/views/study/coursenew.vue b/src/views/study/coursenew.vue
index a37716ea..b0ae212d 100644
--- a/src/views/study/coursenew.vue
+++ b/src/views/study/coursenew.vue
@@ -752,6 +752,12 @@
           return;
         }
         this.interactRuning = true;
+        let teacherId='';
+        if(this.teachers.length>0){
+        	teacherId=this.teachers[0].teacherId;
+        }else{
+        	teacherId=this.courseInfo.sysCreateAid
+        }
         let postData = {
           objType: 1,
           objId: this.courseId,
@@ -767,7 +773,7 @@
               let event = {
                 key: "CancelPraise",//点赞
                 title: "取消点赞",//事件的标题
-                parameters:"author:"+this.courseInfo.sysCreateAid,//用户自定义参数 name:value,name:value
+                parameters:"author:"+teacherId,//用户自定义参数 name:value,name:value
                 content: "取消点赞课程",//事件的内容
                 objId: this.courseId,//关联的id
                 objType: "1",//关联的类型
@@ -791,7 +797,7 @@
               let event = {
                 key: "Praise",//点赞
                 title: "点赞",//事件的标题
-                parameters:"author:"+this.courseInfo.sysCreateAid,//用户自定义参数 name:value,name:value
+                parameters:"author:"+teacherId,//用户自定义参数 name:value,name:value
                 content: "点赞了课程",//事件的内容
                 objId: this.courseId,//关联的id
                 objType: "1",//关联的类型