diff --git a/microservices-modules/microservices-modules-pms/src/main/java/com/microservices/pms/product/domain/PmsProductRequirement.java b/microservices-modules/microservices-modules-pms/src/main/java/com/microservices/pms/product/domain/PmsProductRequirement.java
index ef4480318..dd7da6355 100644
--- a/microservices-modules/microservices-modules-pms/src/main/java/com/microservices/pms/product/domain/PmsProductRequirement.java
+++ b/microservices-modules/microservices-modules-pms/src/main/java/com/microservices/pms/product/domain/PmsProductRequirement.java
@@ -199,7 +199,7 @@ public class PmsProductRequirement extends BaseEntity
         if (StringUtils.isNotEmpty(productReqSpecsChangeVo.getContent())) {
             target.setContent(productReqSpecsChangeVo.getContent());
         }
-        if (StringUtils.isNotEmpty(productReqSpecsChangeVo.getFileIdentifiers())) {
+        if (productReqSpecsChangeVo.getFileIdentifiers() != null) {
             target.setFileIdentifiers(productReqSpecsChangeVo.getFileIdentifiers());
         }
         return target;