diff --git a/aspnet-core/shared/Lion.AbpPro.Shared.Hosting.Microservices/Microsoft/AspNetCore/Mvc/Filters/AbpProExceptionFilter.cs b/aspnet-core/shared/Lion.AbpPro.Shared.Hosting.Microservices/Microsoft/AspNetCore/Mvc/Filters/AbpProExceptionFilter.cs
index 119cc1dd..5a22d599 100644
--- a/aspnet-core/shared/Lion.AbpPro.Shared.Hosting.Microservices/Microsoft/AspNetCore/Mvc/Filters/AbpProExceptionFilter.cs
+++ b/aspnet-core/shared/Lion.AbpPro.Shared.Hosting.Microservices/Microsoft/AspNetCore/Mvc/Filters/AbpProExceptionFilter.cs
@@ -64,7 +64,6 @@ await context.HttpContext.RequestServices.GetRequiredService<IAbpAuthorizationEx
         }
         else
         {
-            context.HttpContext.Response.Headers.Add(AbpHttpConsts.AbpErrorFormat, "true");
             context.HttpContext.Response.StatusCode = (int)context
                 .GetRequiredService<IHttpExceptionStatusCodeFinder>()
                 .GetStatusCode(context.HttpContext, context.Exception);