diff --git a/laws-modules/src/main/java/com/jero/modules/activiti/process/fb/service/impl/ProcessHandleServiceImpl.java b/laws-modules/src/main/java/com/jero/modules/activiti/process/fb/service/impl/ProcessHandleServiceImpl.java
index 6ddd39a5..2dc43bf1 100644
--- a/laws-modules/src/main/java/com/jero/modules/activiti/process/fb/service/impl/ProcessHandleServiceImpl.java
+++ b/laws-modules/src/main/java/com/jero/modules/activiti/process/fb/service/impl/ProcessHandleServiceImpl.java
@@ -490,7 +490,8 @@ public class ProcessHandleServiceImpl implements IProcessHandleService {
         if (StringUtils.isNotBlank(taskId)) {
             deleteWrapper.eq(ProcessDraft::getTaskId, taskId);
         }
-        deleteWrapper.ne(ProcessDraft::getSaveSource, DraftCommon.INITIAL_SOURCE);
+        deleteWrapper.and(qw -> qw.ne(ProcessDraft::getSaveSource, DraftCommon.INITIAL_SOURCE)
+                .or().isNull(ProcessDraft::getSaveSource));
         List<ProcessDraft> processDraftList = processDraftService.list(deleteWrapper);
         for (ProcessDraft processDraft : processDraftList) {
             processDraftService.removeById(processDraft.getId());