diff --git a/src/Server/ZB.MOM.WW.OtOpcUa.AdminUI/Components/Pages/RoleGrants.razor b/src/Server/ZB.MOM.WW.OtOpcUa.AdminUI/Components/Pages/RoleGrants.razor
index 7afc3d69..4ba3abfa 100644
--- a/src/Server/ZB.MOM.WW.OtOpcUa.AdminUI/Components/Pages/RoleGrants.razor
+++ b/src/Server/ZB.MOM.WW.OtOpcUa.AdminUI/Components/Pages/RoleGrants.razor
@@ -126,6 +126,7 @@
         _error = null;
         if (string.IsNullOrWhiteSpace(_newGroup)) { _error = "LDAP group is required."; return; }
         _busy = true;
+        StateHasChanged();
         try
         {
             await RoleMappings.CreateAsync(new LdapGroupRoleMapping
@@ -143,6 +144,7 @@
     private async Task DeleteAsync(Guid id)
     {
         _error = null; _busy = true;
+        StateHasChanged();
         try { await RoleMappings.DeleteAsync(id, default); await ReloadAsync(); }
         catch (Exception ex) { _error = ex.Message; }
         finally { _busy = false; }