diff --git a/src/views/portal/course/Index.vue b/src/views/portal/course/Index.vue
index 864afef3..fd1c8d46 100644
--- a/src/views/portal/course/Index.vue
+++ b/src/views/portal/course/Index.vue
@@ -489,9 +489,9 @@ export default {
         //console.log(this.course.pageIndex,'this.course.pageIndex');
         //加此判断，是为了没有数据时的闪动问题
         //if(this.course.pageIndex >1){
-          if (scrollTop > 830) {
+          if (scrollTop > 1176) {
             document.querySelector("#fixd-box").style.cssText =
-              "position: fixed;top: -885px;width:"+outerWidth+"px";
+              "position: fixed;top: -882px;width:"+outerWidth+"px";
           } else {
               document.querySelector("#fixd-box").style.cssText = "position: static";
           }