diff --git a/IRaCIS.Core.Application/BusinessFilter/LegacyController/TrialGlobalLimitActionFilter.cs b/IRaCIS.Core.Application/BusinessFilter/LegacyController/TrialGlobalLimitActionFilter.cs
index 8d24d2591..e845a10c4 100644
--- a/IRaCIS.Core.Application/BusinessFilter/LegacyController/TrialGlobalLimitActionFilter.cs
+++ b/IRaCIS.Core.Application/BusinessFilter/LegacyController/TrialGlobalLimitActionFilter.cs
@@ -62,9 +62,9 @@ public class TrialGlobalLimitActionFilter(IFusionCache _fusionCache, IUserInfo _
                 var index = context.HttpContext.Request.RouteValues.Keys.ToList().IndexOf("trialId");
                 trialIdStr = context.HttpContext.Request.RouteValues.Values.ToList()[index] as string;
             }
-            else if (context.HttpContext.Request.Headers["Referer"].ToString().Contains("trialId"))
+            else if (context.HttpContext.Request.Headers["self-Referer"].ToString().Contains("trialId"))
             {
-                var headerStr = context.HttpContext.Request.Headers["Referer"].ToString();
+                var headerStr = context.HttpContext.Request.Headers["self-Referer"].ToString();
 
                 var trialIdIndex = headerStr.IndexOf("trialId");
 
diff --git a/IRaCIS.Core.Application/BusinessFilter/MinimalAPI/TrialGlobalLimitEndpointFilter.cs b/IRaCIS.Core.Application/BusinessFilter/MinimalAPI/TrialGlobalLimitEndpointFilter.cs
index 6648db25e..bb1974ff0 100644
--- a/IRaCIS.Core.Application/BusinessFilter/MinimalAPI/TrialGlobalLimitEndpointFilter.cs
+++ b/IRaCIS.Core.Application/BusinessFilter/MinimalAPI/TrialGlobalLimitEndpointFilter.cs
@@ -71,9 +71,9 @@ public class TrialGlobalLimitEndpointFilter(IFusionCache _fusionCache, IUserInfo
                 var index = context.HttpContext.Request.RouteValues.Keys.ToList().IndexOf("trialId");
                 trialIdStr = context.HttpContext.Request.RouteValues.Values.ToList()[index] as string;
             }
-            else if (context.HttpContext.Request.Headers["Referer"].ToString().Contains("trialId"))
+            else if (context.HttpContext.Request.Headers["self-Referer"].ToString().Contains("trialId"))
             {
-                var headerStr = context.HttpContext.Request.Headers["Referer"].ToString();
+                var headerStr = context.HttpContext.Request.Headers["self-Referer"].ToString();
 
                 var trialIdIndex = headerStr.IndexOf("trialId");