修改不规范代码

dxhy-erp/src/main/java/com/dxhy/erp/controller/SDNYMainProcessController.java

@@ -828,7 +828,7 @@ public class SDNYMainProcessController extends AbstractController {
                     sapInvoiceDetail.setZJK(snInvoiceDetail.getAmount());
                 sapInvoiceDetail.setZHH(snInvoiceDetail.getRowNo());
                 //将类似于0.03数据格式转化为3.00
-                if (snInvoiceDetail.getTaxRate() != null && "".equals(snInvoiceDetail.getTaxRate())) {
+                if (snInvoiceDetail.getTaxRate() != null && !"".equals(snInvoiceDetail.getTaxRate())) {
                     sapInvoiceDetail.setZTAX(snInvoiceDetail.getTaxRate());
                     if ("0".equals(snInvoiceDetail.getTaxRate())) {
                         sapInvoiceDetail.setZTAX("0.00");