diff --git a/css/contrastDetails.css b/css/contrastDetails.css
index 342e351..5ccb458 100644
--- a/css/contrastDetails.css
+++ b/css/contrastDetails.css
@@ -207,6 +207,7 @@
 .body .item .thead .operate {
   padding: 20px 0;
   position: relative;
+  flex-direction: column;
   border-bottom: 1px solid #ebebeb;
 }
 .body .item .thead .operate .i:not(:last-of-type) {
diff --git a/css/contrastDetails.less b/css/contrastDetails.less
index fe78de6..b9303cd 100644
--- a/css/contrastDetails.less
+++ b/css/contrastDetails.less
@@ -241,6 +241,7 @@
             .operate {
                 padding: 20px 0;
                 position: relative;
+                flex-direction: column;
                 .i {
                     &:not(:last-of-type) {
                         border-right: 1px solid #ebebeb;