diff --git a/frontend/client-portal/src/pages/AlarmCenter/ListMember.tsx b/frontend/client-portal/src/pages/AlarmCenter/ListMember.tsx
index 128ded13..ba1b556f 100644
--- a/frontend/client-portal/src/pages/AlarmCenter/ListMember.tsx
+++ b/frontend/client-portal/src/pages/AlarmCenter/ListMember.tsx
@@ -108,6 +108,7 @@ export default function List() {
       align: 'left',
       label: 'Code',
       isSort: true,
+      width: 5
     },
     {
       id: 'provider_name',