diff --git a/IRaCIS.Core.Application/BusinessFilter/ProjectExceptionFilter.cs b/IRaCIS.Core.Application/BusinessFilter/ProjectExceptionFilter.cs
index 2948ee64f..358095f00 100644
--- a/IRaCIS.Core.Application/BusinessFilter/ProjectExceptionFilter.cs
+++ b/IRaCIS.Core.Application/BusinessFilter/ProjectExceptionFilter.cs
@@ -32,8 +32,10 @@ namespace IRaCIS.Core.Application.Filter
 
                 if (context.Exception.GetType() == typeof(BusinessValidationFailedException))
                 {
-                    context.Result = new JsonResult(ResponseOutput.NotOk(context.Exception.Message,ApiResponseCodeEnum.BusinessValidationFailed));
-                }
+					var error = context.Exception as BusinessValidationFailedException;
+
+					context.Result = new JsonResult(ResponseOutput.NotOk(context.Exception.Message, error!.Code));
+				}
                 else if(context.Exception.GetType() == typeof(QueryBusinessObjectNotExistException))
                 {
                     context.Result = new JsonResult(ResponseOutput.NotOk( context.Exception.Message, ApiResponseCodeEnum.DataNotExist));