diff --git a/so/src/public/nccloud/api/so/saleinvoice/operator/saveCommitAction.java b/so/src/public/nccloud/api/so/saleinvoice/operator/saveCommitAction.java
index 509a3bd..6b19776 100644
--- a/so/src/public/nccloud/api/so/saleinvoice/operator/saveCommitAction.java
+++ b/so/src/public/nccloud/api/so/saleinvoice/operator/saveCommitAction.java
@@ -278,6 +278,13 @@ public class saveCommitAction extends AbstractNCCRestResource {
 //                // 主含税净价 = 含税单价（原始）
 //                BigDecimal norigtaxnetprice = norigtaxprice;
 
+                // 从销售订单中获取币种
+                String currencycode = getString_TrimAsNull(value2.get("currencycode"));
+                otherJson.put("corigcurrencyid", currencycode.isEmpty() ? "CNY" : currencycode);
+                // 从销售订单中获取折本汇率
+                BigDecimal nexchangerate = getUFDouble_NullAsZero(value2.get("nexchangerate")).toBigDecimal();
+                otherJson.put("nexchangerate", nexchangerate);
+
                 // 输入参数：从你的 item 获取各个字段
                 BigDecimal nastnum = new BigDecimal(item.getString("nastnum"));  // 数量
                 nastnum = nastnum.setScale(4, RoundingMode.HALF_UP);
@@ -309,26 +316,20 @@ public class saveCommitAction extends AbstractNCCRestResource {
                 // 主无税净价（即不含税单价）
                 BigDecimal norignetprice = nqtorigprice;
 
-                // 从销售订单中获取币种
-                String corigcurrencyid = getString_TrimAsNull(value2.get("corigcurrencyid"));
-                otherJson.put("corigcurrencyid", "".equals(corigcurrencyid) ? "CNY" : corigcurrencyid);
-                // 从销售订单中获取折本汇率
-                BigDecimal nexchangerate = getUFDouble_NullAsZero(value2.get("nexchangerate")).toBigDecimal();
-                otherJson.put("nexchangerate", nexchangerate);
-                // 单价和金额*汇率
-                nqtorigprice = nqtorigprice.multiply(nexchangerate);
-                norigmny = norigmny.multiply(nexchangerate);
-                norigtaxmny = norigtaxmny.multiply(nexchangerate);
-                norigtaxprice = norigtaxprice.multiply(nexchangerate);
-                norignetprice = norignetprice.multiply(nexchangerate);
-                nqtorigtaxprice = nqtorigtaxprice.multiply(nexchangerate);
-                norigtaxnetprice = norigtaxnetprice.multiply(nexchangerate);
-
+                // 本币(人民币)需要处理汇率，金额保留两位小数，单价保留4位小数
+                // 本币无税金额
+                BigDecimal nmny = norigmny.multiply(nexchangerate).setScale(2, RoundingMode.HALF_UP);
+                // 主本币无税净价
+                BigDecimal nnetprice = norignetprice.multiply(nexchangerate).setScale(4, RoundingMode.HALF_UP);
+                // 本币价税合计 价税合计*汇率
+                BigDecimal ntaxmny = norigtaxmny.multiply(nexchangerate).setScale(2, RoundingMode.HALF_UP);
+                // 税额
+                ntax = ntaxmny.subtract(nmny).setScale(2, RoundingMode.HALF_UP);
 
                 itemDetails.put("nqtorigprice", nqtorigprice);//无税单价
                 itemDetails.put("norigprice", nqtorigprice);//主无税单价
                 itemDetails.put("norigmny", norigmny);//无税金额
-                itemDetails.put("nmny", norigmny);//本币无税金额
+                itemDetails.put("nmny", nmny);//本币无税金额
                 itemDetails.put("norigtaxmny", norigtaxmny);//价税合计
                 itemDetails.put("norigtaxprice", norigtaxprice);//主含税单价
                 itemDetails.put("norignetprice", norignetprice);//主无税净价
@@ -336,8 +337,8 @@ public class saveCommitAction extends AbstractNCCRestResource {
                 itemDetails.put("ntax", ntax);//税额
                 itemDetails.put("ncaltaxmny", ncaltaxmny);//计税金额
                 itemDetails.put("norigtaxnetprice", norigtaxnetprice);//主含税净价
-                itemDetails.put("nnetprice", norignetprice);//主本币无税净价
-                itemDetails.put("ntaxmny", norigtaxmny);//本币价税合计
+                itemDetails.put("nnetprice", nnetprice);//主本币无税净价
+                itemDetails.put("ntaxmny", ntaxmny);//本币价税合计
                 csaleinvoicebid.add(itemDetails);