diff --git a/pages/course/courseDetail.vue b/pages/course/courseDetail.vue
index 8e0ff7a..439662f 100644
--- a/pages/course/courseDetail.vue
+++ b/pages/course/courseDetail.vue
@@ -44,7 +44,7 @@
 									</view>
 									<text @click="isHideCourseInfo = !isHideCourseInfo" style="
 										  position: absolute;
-										  background-color: #f2f8ff; padding: 4rpx ;
+										  padding: 4rpx ;
 										  bottom: -45rpx;
 										  right: 0;
 										  color: #838588;