diff --git a/UFIDA.U8.Framework.Api.ControlObject/ST/USERPCO.cs b/UFIDA.U8.Framework.Api.ControlObject/ST/USERPCO.cs
index 50926fd..cb9d3c2 100644
--- a/UFIDA.U8.Framework.Api.ControlObject/ST/USERPCO.cs
+++ b/UFIDA.U8.Framework.Api.ControlObject/ST/USERPCO.cs
@@ -38,7 +38,7 @@ namespace UFIDA.U8.Framework.Api.ControlObject.ST
                 IXMLDOMDocument2 domPosition = new DOMDocument();
 
                 errorMsg = "";
-                if (!co.GetDefaultVoucherDom(sVouchType, cCardNum, ref domHead, ref domBody, ref domPosition, ref errorMsg))
+                if (!co.GetDefaultVoucherDom(sVouchType, cCardNum, ref domHead, ref domBody, ref domPosition, ref errorMsg) || !string.IsNullOrWhiteSpace(errorMsg))
                 {
                     throw new Exception(errorMsg);
                 }