diff --git a/microservices-modules/microservices-modules-pms/src/main/java/com/microservices/pms/product/service/impl/PmsProductReqOperationRecordServiceImpl.java b/microservices-modules/microservices-modules-pms/src/main/java/com/microservices/pms/product/service/impl/PmsProductReqOperationRecordServiceImpl.java
index 8dc6edb0a..bd8c2758d 100644
--- a/microservices-modules/microservices-modules-pms/src/main/java/com/microservices/pms/product/service/impl/PmsProductReqOperationRecordServiceImpl.java
+++ b/microservices-modules/microservices-modules-pms/src/main/java/com/microservices/pms/product/service/impl/PmsProductReqOperationRecordServiceImpl.java
@@ -132,10 +132,14 @@ public class PmsProductReqOperationRecordServiceImpl implements IPmsProductReqOp
         // 根据需求规格id和fromId查询需求规格相关的所有需求规格相关的变更记录列表
         PmsProductReqOperationRecord recordSearch = new PmsProductReqOperationRecord();
         List<PmsProductReqOperationRecord> recordList = new ArrayList<>();
-        while (reqSpecs.getFromId() != null && !ProductReqStatus.isUserReqStatus(reqSpecs.getStatus())) {
+        while (reqSpecs != null && !ProductReqStatus.isUserReqStatus(reqSpecs.getStatus())) {
             recordSearch.setProductRequirementId(reqSpecs.getId());
             recordList.addAll(pmsProductReqOperationRecordMapper.selectPmsProductReqOperationRecordList(recordSearch));
-            reqSpecs = pmsProductRequirementService.selectPmsProductRequirementById(reqSpecs.getFromId(), false);
+            if (reqSpecs.getFromId() != null) {
+                reqSpecs = pmsProductRequirementService.selectPmsProductRequirementById(reqSpecs.getFromId(), false);
+            } else {
+                reqSpecs = null;
+            }
         }
 
         return getRecordDataList(recordList);