diff --git a/src/app/pages/account/ref-system/ref-system.component.scss b/src/app/pages/account/ref-system/ref-system.component.scss
index 58dcb42..59f7d79 100644
--- a/src/app/pages/account/ref-system/ref-system.component.scss
+++ b/src/app/pages/account/ref-system/ref-system.component.scss
@@ -4,6 +4,8 @@
             display: flex;
             justify-content: space-between;
             height: 50px;
+            max-width: 400px;
+            margin: 0 auto;
             .share {
                 width: 50px;
                 background-color: #09467f;