diff --git a/models/cloudbrain.go b/models/cloudbrain.go
index c0ef45574..f74fdd825 100755
--- a/models/cloudbrain.go
+++ b/models/cloudbrain.go
@@ -1702,8 +1702,7 @@ func GetModelartsReDebugTaskByJobId(jobID string) ([]*Cloudbrain, error) {
 	cond = cond.And(
 		builder.Eq{"cloudbrain.job_id": jobID},
 	)
-	sess.OrderBy("cloudbrain.created_unix ASC limit 10")
-	// sess.OrderBy("cloudbrain.created_unix DSC limit 10")
+	sess.OrderBy("cloudbrain.created_unix ASC limit 1")
 	cloudbrains := make([]*Cloudbrain, 0, 10)
 	if err := sess.Table(&Cloudbrain{}).Unscoped().Where(cond).
 		Find(&cloudbrains); err != nil {