diff --git a/pkg/microservice/aslan/core/workflow/service/workflow/workflow_task_v4.go b/pkg/microservice/aslan/core/workflow/service/workflow/workflow_task_v4.go
index aaf54971aa..8d35eb1847 100644
--- a/pkg/microservice/aslan/core/workflow/service/workflow/workflow_task_v4.go
+++ b/pkg/microservice/aslan/core/workflow/service/workflow/workflow_task_v4.go
@@ -1111,11 +1111,11 @@ func RevertWorkflowTaskV4Job(workflowName, jobName string, taskID int64, input i
 						return fmt.Errorf("failed to decode nacos job spec, error: %s", err)
 					}
 					inputSpec := make([]*commonmodels.NacosData, 0)
-
 					if err := commonmodels.IToi(input, inputSpec); err != nil {
 						log.Errorf("failed to decode nacos revert input spec, error: %s", err)
 						return fmt.Errorf("failed to decode nacos revert input spec, error: %s", err)
 					}
+					log.Infof("input spec length is: %d", len(inputSpec))
 
 					err = revertNacosJob(jobTaskSpec, inputSpec)
 					if err != nil {