diff --git a/src/main/java/com/glxp/api/controller/inout/IoCodeTempController.java b/src/main/java/com/glxp/api/controller/inout/IoCodeTempController.java
index a0471889c..e5dee187c 100644
--- a/src/main/java/com/glxp/api/controller/inout/IoCodeTempController.java
+++ b/src/main/java/com/glxp/api/controller/inout/IoCodeTempController.java
@@ -505,6 +505,9 @@ public class IoCodeTempController extends BaseController {
         }
     }
 
+    @Resource
+    IoSplitFifoCodeService fifoCodeService;
+
     @Transactional(rollbackFor = Exception.class)
     public BaseResponse addMaterOrder(AddOrderRequest addOrderRequest, UdiEntity udiEntity, String code) {
 
@@ -755,6 +758,15 @@ public class IoCodeTempController extends BaseController {
             addOrderRequest.setFromCorp(fromCorp);
         }
 
+        //校验工位存量是否存在
+        if (bussinessTypeEntity.getAction().equals(ConstantType.SPLIT_OUT)) {
+            IoSplitFifoCodeEntity fifoCodeEntity = fifoCodeService.findByCode(code, null);
+            if (fifoCodeEntity != null && StrUtil.isNotEmpty(fifoCodeEntity.getSerialNo())) {
+                return ResultVOUtils.error(500, "当前追溯码已存在！");
+            }
+        }
+
+
         //先生成扫码单据
         IoOrderEntity orderEntity = orderService.findByBillNo(orderId);
         String inBatch = "";
@@ -1167,6 +1179,15 @@ public class IoCodeTempController extends BaseController {
         }
 
 
+        //校验工位存量是否存在
+        if (bussinessTypeEntity.getAction().equals(ConstantType.SPLIT_OUT)) {
+            IoSplitFifoCodeEntity fifoCodeEntity = fifoCodeService.findByCode(code, null);
+            if (fifoCodeEntity != null && StrUtil.isNotEmpty(fifoCodeEntity.getSerialNo())) {
+                return ResultVOUtils.error(500, "当前追溯码已存在！");
+            }
+        }
+
+
         if (addOrderRequest.getFromCorp() == null || StrUtil.isNotEmpty(addOrderRequest.getSickerAdNum())) {
             String fromCorp = ioAddInoutService.updateCorp(bussinessTypeEntity, addOrderRequest.getFromCorp(), addOrderRequest.getSickerAdNum());
             addOrderRequest.setFromCorp(fromCorp);