diff --git a/IRaCIS.Core.Application/Service/TrialSiteUser/TrialSiteService.cs b/IRaCIS.Core.Application/Service/TrialSiteUser/TrialSiteService.cs
index 88d4079f6..794b3149f 100644
--- a/IRaCIS.Core.Application/Service/TrialSiteUser/TrialSiteService.cs
+++ b/IRaCIS.Core.Application/Service/TrialSiteUser/TrialSiteService.cs
@@ -150,7 +150,9 @@ namespace IRaCIS.Core.Application.Services
         {
             var list = _siteRepository
                  .WhereIf(!string.IsNullOrWhiteSpace(siteName), t => t.SiteName.Contains(siteName) || t.SiteNameCN.Contains(siteName) || t.AliasName.Contains(siteName))
-                 .Select(t => new TrialSiteSelect() { SiteId = t.Id, SiteName = _userInfo.IsEn_Us ? t.SiteName : t.SiteNameCN, AliasName = t.AliasName }).ToList();
+                 .Select(t => new TrialSiteSelect() { SiteId = t.Id, SiteName = _userInfo.IsEn_Us ? t.SiteName : t.SiteNameCN, AliasName = t.AliasName })
+                 .OrderBy(x=>x.SiteName)
+                 .ToList();
 
             return list;
         }