diff --git a/mhd_oms/src/main/java/com/mhd/oms/domain/executionStockInOrder/service/ExecutionStockInOrderAssembler.java b/mhd_oms/src/main/java/com/mhd/oms/domain/executionStockInOrder/service/ExecutionStockInOrderAssembler.java
index b8150096d..efe87076d 100644
--- a/mhd_oms/src/main/java/com/mhd/oms/domain/executionStockInOrder/service/ExecutionStockInOrderAssembler.java
+++ b/mhd_oms/src/main/java/com/mhd/oms/domain/executionStockInOrder/service/ExecutionStockInOrderAssembler.java
@@ -92,9 +92,14 @@ public class ExecutionStockInOrderAssembler {
             stockInOrderDO.setCreateTime(new Date());
             stockInOrderDO.setDelFlag(1);
             // 新增入库单时，如果入库单类型为空，默认设置为普通入库
-            String orderTypeCode = stockInOrderDO.getOrderTypeCode();
-            if (orderTypeCode == null || orderTypeCode.trim().length() == 0) {
-                stockInOrderDO.setOrderTypeCode("pu_tong_ru_ku");
+            // 前端新增只传业务类型(businessType)不传单据类型时，先用业务类型回填单据类型编码，
+            // 否则退货单会被兜底成pu_tong_ru_ku，再被setDataDict按字典反查覆盖成"普通入库"
+            if (stockInOrderDO.getOrderTypeCode() == null || stockInOrderDO.getOrderTypeCode().trim().length() == 0) {
+                if (stockInOrderDO.getBusinessType() != null && stockInOrderDO.getBusinessType().trim().length() > 0) {
+                    stockInOrderDO.setOrderTypeCode(stockInOrderDO.getBusinessType().trim());
+                } else {
+                    stockInOrderDO.setOrderTypeCode("pu_tong_ru_ku");
+                }
             }
             String orderTypeName = stockInOrderDO.getOrderTypeName();
             if (orderTypeName == null || orderTypeName.trim().length() == 0) {