diff --git a/laws-modules/src/main/java/com/jero/modules/activiti/process/common/service/ActFlowCommonService.java b/laws-modules/src/main/java/com/jero/modules/activiti/process/common/service/ActFlowCommonService.java
index 31f4ef9f..d6fbb2d4 100644
--- a/laws-modules/src/main/java/com/jero/modules/activiti/process/common/service/ActFlowCommonService.java
+++ b/laws-modules/src/main/java/com/jero/modules/activiti/process/common/service/ActFlowCommonService.java
@@ -431,7 +431,7 @@ public class ActFlowCommonService {
         LambdaQueryWrapper<ProcessDraft> draftWrapper = new LambdaQueryWrapper<>();
         draftWrapper.eq(ProcessDraft::getUserId, userId);
         draftWrapper.eq(ProcessDraft::getTaskId, taskId);
-        draftWrapper.eq(ProcessDraft::getProcessInstanceId, processInstanceId);
+        draftWrapper.eq(StrUtil.isNotBlank(processInstanceId), ProcessDraft::getProcessInstanceId, processInstanceId);
         processDraftService.remove(draftWrapper);
     }