fix: 立项变更节点6报错

laws-modules/src/main/java/com/jero/modules/activiti/process/esInitChange/service/impl/ProcessEsInitChangeServiceImpl.java

@@ -107,7 +107,7 @@ public class ProcessEsInitChangeServiceImpl extends ServiceImpl<ProcessEsInitCha
         Map<String, Object> flowUserInfoVO = initChangeData.getFlowUserInfoVO();
         HashMap<String, Object> map = new HashMap<>(flowUserInfoVO);
         List<ProcessEsInitChange> initChangeList = initChangeData.getDataList();
-        if (!initChangeList.isEmpty()) {
+        if (initChangeList != null && !initChangeList.isEmpty()) {
             ProcessEsInitChange initChange = initChangeList.get(0);
             // 添加非列表类型的变量
             actFlowCommonService.putIfNotNull(map, "applicationCategory", initChange.getApplicationCategory());