diff --git a/workflow-engine-core/src/main/java/cn/axzo/workflow/core/engine/cmd/CustomAddTimerJobCmd.java b/workflow-engine-core/src/main/java/cn/axzo/workflow/core/engine/cmd/CustomAddTimerJobCmd.java
index 4a73e1529..08c18a822 100644
--- a/workflow-engine-core/src/main/java/cn/axzo/workflow/core/engine/cmd/CustomAddTimerJobCmd.java
+++ b/workflow-engine-core/src/main/java/cn/axzo/workflow/core/engine/cmd/CustomAddTimerJobCmd.java
@@ -55,6 +55,7 @@ public class CustomAddTimerJobCmd extends AbstractCommand<Void> implements Seria
         job.setActivityId(dto.getActivityId());
         job.setActivityName(dto.getActivityName());
         job.setAlterTime(alterTime);
+        job.setException("");
         service.save(job);
 
         return null;
diff --git a/workflow-engine-server/src/main/java/cn/axzo/workflow/server/xxljob/NodeAlterJobHandler.java b/workflow-engine-server/src/main/java/cn/axzo/workflow/server/xxljob/NodeAlterJobHandler.java
index eb86d63c0..f3c95a685 100644
--- a/workflow-engine-server/src/main/java/cn/axzo/workflow/server/xxljob/NodeAlterJobHandler.java
+++ b/workflow-engine-server/src/main/java/cn/axzo/workflow/server/xxljob/NodeAlterJobHandler.java
@@ -89,7 +89,7 @@ public class NodeAlterJobHandler extends IJobHandler {
 
             Optional<CategoryItemVO> category = categoryService.get(BPM_MODEL_CATEGORY, processInstance.getProcessDefinitionKey());
 
-//            sendAlter(processInstance, category, e, tasks.get(0));
+            sendAlter(processInstance, category, e, tasks.get(0));
 
             executedJobs.add(e);
             XxlJobHelper.log("end execution of job: {}", JSON.toJSONString(e));