diff --git a/laws-modules/src/main/java/com/jero/modules/activiti/service/ProcessNodeService.java b/laws-modules/src/main/java/com/jero/modules/activiti/service/ProcessNodeService.java
index 825b1a8a..7bf487f6 100644
--- a/laws-modules/src/main/java/com/jero/modules/activiti/service/ProcessNodeService.java
+++ b/laws-modules/src/main/java/com/jero/modules/activiti/service/ProcessNodeService.java
@@ -5,6 +5,7 @@ import com.jero.modules.activiti.entity.ProcessModelNode;
 import com.jero.modules.activiti.mapper.ProcessModelNodeMapper;
 import com.jero.modules.activiti.process.fb.common.ProcessDefinitionKey;
 import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.collections4.CollectionUtils;
 import org.apache.commons.lang3.StringUtils;
 import org.springframework.beans.BeanUtils;
 import org.springframework.stereotype.Service;
@@ -68,6 +69,10 @@ public class ProcessNodeService extends ServiceImpl<ProcessNodeMapper, ProcessNo
         queryWrapper.like(ProcessNode::getProcessDefinitionId, definitionKey + ":" + version);
         List<ProcessNode> oldNodeList = list(queryWrapper);
 
+        if (CollectionUtils.isEmpty(oldNodeList)) {
+            return processNodeList;
+        }
+
         List<String> nodeNameList = oldNodeList.stream()
                 .map(ProcessNode::getNodeName).distinct().collect(Collectors.toList());