Index: branches/version-2_11-dev/data/Smarty/templates/admin/order/product_select.tpl
===================================================================
--- branches/version-2_11-dev/data/Smarty/templates/admin/order/product_select.tpl	(revision 20980)
+++ branches/version-2_11-dev/data/Smarty/templates/admin/order/product_select.tpl	(revision 20991)
@@ -106,5 +106,5 @@
     product_id = form.product_id.value;
     classcat_id1 = form.classcategory_id1.value;
-    classcat_id2 = form.classcategory_id2 ? form.classcategory_id2.value : 0;
+    classcat_id2 = form.classcategory_id2 ? form.classcategory_id2.value : '';
     classcat2 = productsClassCategories[product_id][classcat_id1]['#' + classcat_id2];
     // 商品規格