diff --git a/laws-modules/src/main/java/com/jero/modules/activiti/process/esInitChange/service/impl/ProcessEsInitChangeServiceImpl.java b/laws-modules/src/main/java/com/jero/modules/activiti/process/esInitChange/service/impl/ProcessEsInitChangeServiceImpl.java
index 785c7130..442701f7 100644
--- a/laws-modules/src/main/java/com/jero/modules/activiti/process/esInitChange/service/impl/ProcessEsInitChangeServiceImpl.java
+++ b/laws-modules/src/main/java/com/jero/modules/activiti/process/esInitChange/service/impl/ProcessEsInitChangeServiceImpl.java
@@ -248,6 +248,7 @@ public class ProcessEsInitChangeServiceImpl extends ServiceImpl<ProcessEsInitCha
         lambdaQueryWrapper.eq(ProcessEsInitChange::getEnStandardCode, esCodeDictValue);
         lambdaQueryWrapper.eq(ProcessEsInitChange::getEnNameCode, esNameCodeDictValue);
         lambdaQueryWrapper.eq(ProcessEsInitChange::getStandardCategoryCode, categoryCodeDictValue);
+        lambdaQueryWrapper.isNotNull(ProcessEsInitChange::getNewEnStandardNo);
         List<ProcessEsInitChange> list = this.list(lambdaQueryWrapper);
 
         return list.stream().map(ProcessEsInitChange::getNewEnStandardNo)
diff --git a/laws-modules/src/main/java/com/jero/modules/laws/enterprise/service/impl/EnterpriseStandardPlanServiceImpl.java b/laws-modules/src/main/java/com/jero/modules/laws/enterprise/service/impl/EnterpriseStandardPlanServiceImpl.java
index b2ec8529..09641f8c 100644
--- a/laws-modules/src/main/java/com/jero/modules/laws/enterprise/service/impl/EnterpriseStandardPlanServiceImpl.java
+++ b/laws-modules/src/main/java/com/jero/modules/laws/enterprise/service/impl/EnterpriseStandardPlanServiceImpl.java
@@ -125,6 +125,7 @@ public class EnterpriseStandardPlanServiceImpl extends ServiceImpl<EnterpriseSta
         lambdaQueryWrapper.eq(EnterpriseStandardPlan::getEnStandardCode, esCodeDictValue);
         lambdaQueryWrapper.eq(EnterpriseStandardPlan::getEnNameCode, esNameCodeDictValue);
         lambdaQueryWrapper.eq(EnterpriseStandardPlan::getStandardCategoryCode, categoryCodeDictValue);
+        lambdaQueryWrapper.isNotNull(EnterpriseStandardPlan::getNewEnStandardNo);
         List<EnterpriseStandardPlan> espList = this.list(lambdaQueryWrapper);
 
         return espList.stream().map(EnterpriseStandardPlan::getNewEnStandardNo)
diff --git a/laws-modules/src/main/java/com/jero/modules/laws/enterprise/util/EnterpriseStandardUtil.java b/laws-modules/src/main/java/com/jero/modules/laws/enterprise/util/EnterpriseStandardUtil.java
index 2a3135fa..76b34c56 100644
--- a/laws-modules/src/main/java/com/jero/modules/laws/enterprise/util/EnterpriseStandardUtil.java
+++ b/laws-modules/src/main/java/com/jero/modules/laws/enterprise/util/EnterpriseStandardUtil.java
@@ -54,7 +54,10 @@ public class EnterpriseStandardUtil {
         List<String> allSequenceNumbers = new ArrayList<>();
 
         for (ESSequenceNumberProvider provider : providers) {
-            allSequenceNumbers.addAll(provider.getSequenceNumbers(esCodeDictValue, esNameCodeDictValue, categoryCodeDictValue));
+            List<String> sequenceNumbers = provider.getSequenceNumbers(esCodeDictValue, esNameCodeDictValue, categoryCodeDictValue);
+            if (sequenceNumbers != null) {
+                allSequenceNumbers.addAll(sequenceNumbers);
+            }
         }
 
         // 转换为整数（只取整数部分）