diff --git a/aspnet-core/services/host/Lion.AbpPro.HttpApi.Host/AbpProHttpApiHostModule.Configure.cs b/aspnet-core/services/host/Lion.AbpPro.HttpApi.Host/AbpProHttpApiHostModule.Configure.cs
index 5b3d91df..76027f2d 100644
--- a/aspnet-core/services/host/Lion.AbpPro.HttpApi.Host/AbpProHttpApiHostModule.Configure.cs
+++ b/aspnet-core/services/host/Lion.AbpPro.HttpApi.Host/AbpProHttpApiHostModule.Configure.cs
@@ -98,7 +98,7 @@ public partial class AbpProHttpApiHostModule
 
                         currentContext.Token = accessToken;
                         currentContext.Request.Headers.Remove("Authorization");
-                        currentContext.Request.Headers.Add("Authorization", $"Bearer {accessToken}");
+                        currentContext.Request.Headers.Append("Authorization", $"Bearer {accessToken}");
 
                         return Task.CompletedTask;
                     }