chore update

src/modules/shop/components/CourseFooter.vue

@@ -142,6 +142,8 @@ const handleBuyCourse = () => {
 }
 .is-h5 {
   .detail_footer {
+    position: sticky;
+    bottom: 0;
     width: 100%;
     border-radius: 0.2rem 0.2rem 0 0;
     background: #ffffff;