修改订单确认，再一次确认是否修改

@@ -177,9 +177,17 @@ function showDiaglog(tpl, onEdit) {
                 btnClass: ['confirm'],
                 name: '确定',
                 cb: function() {
+                    var b;
+
                     if (validateData()) {
-                        editOrder(onEdit);
                         tip.close();
+                        b = new dialog.Confirm({
+                            content: '单笔订单仅支持一次修改，确定要修改订单吗？',
+                            cb: function() {
+                                editOrder(onEdit);
+                                b.close();
+                            }
+                        }).show();
                     }
                 }
             },