修改bug

src/main/java/com/wflow/workflow/service/impl/ProcessInstanceServiceImpl.java

@@ -437,8 +437,10 @@ public class ProcessInstanceServiceImpl implements ProcessInstanceService {
             instanceQuery.finished();
         }
         if (!Objects.equals(customStatus, 1) && !Objects.equals(customStatus, 2)) {
+            if (StrUtil.isNotBlank(startUser)) {
                 instanceQuery.startedBy(startUser);
             }
+        }
         Executor.builder()
                 //customStatus 1待催办2已办结3审批进行中4审批被撤销5审批被驳回6审批通过7审批被驳回(发起人是自己)
                 .ifTrueNext(Objects.equals(customStatus, 1), instanceQuery::unfinished)