add order refund pay

go/gopath/src/fohow.com/apps/controllers/railsadmin_controller/order_refund_controller.go

@@ -43,7 +43,7 @@ func (self *RailsadminController) OrderRefund() {
 		//退上级佣金
 		source := balance_model.CASH_SOURCE_PRODUCT_BENEFIT
 		cash := balance_model.GetCashBalanceBySourceAndRId(source, refund.OrderId)
-		if cash == nil {
+		if cash != nil {
 			//佣金账户增加扣款记录
 			refund_source := balance_model.CASH_SOURCE_PRODUCT_REFUND
 			remark := fmt.Sprintf("%s%s", refund.OrderId, "退款")