diff --git a/css/details.css b/css/details.css
index d75876b..e4c6752 100644
--- a/css/details.css
+++ b/css/details.css
@@ -240,6 +240,10 @@
   height: 126px;
   position: absolute;
   bottom: 42px;
+  display: none;
+}
+.boxbox .details .right .admission-btn .item .btn .min-QRcode:hover {
+  display: block;
 }
 .boxbox .details .right .admission-btn .item .btn .min-QRcode .bj {
   position: absolute;
diff --git a/css/details.less b/css/details.less
index 4549933..10a8ef1 100644
--- a/css/details.less
+++ b/css/details.less
@@ -273,6 +273,11 @@
                             height: 126px;
                             position: absolute;
                             bottom: 42px;
+                            display: none;
+
+                            &:hover {
+                                display: block;
+                            }
 
                             .bj {
                                 position: absolute;