diff --git a/src/views/study/coursenew.vue b/src/views/study/coursenew.vue
index 6c1baee7..c730436c 100644
--- a/src/views/study/coursenew.vue
+++ b/src/views/study/coursenew.vue
@@ -1807,7 +1807,7 @@
         min-height: 400px;
         max-height: 800px;
         //height: 100%;
-        border: 1px solid #c7c7c7;
+        border: 1px solid #ffffff;
         padding-right: 20px;
         // overflow: auto;
       }