diff --git a/engine/sql/171_clean_workflow_data_node.sql b/engine/sql/171_clean_workflow_data_node.sql
new file mode 100644
index 0000000000..9611f728b4
--- /dev/null
+++ b/engine/sql/171_clean_workflow_data_node.sql
@@ -0,0 +1,32 @@
+-- +migrate Up
+
+-- clean w_node_trigger child_node
+WITH workflowInfo AS (
+	SELECT id, name, CAST(workflow_data->'node'->>'id' AS BIGINT) as rootNodeID
+	FROM workflow
+),
+oldNode as (
+	SELECT w_node.id as nodeID, w_node.name as nodeName, workflowInfo.id as wID, workflowInfo.name as WName
+	FROM w_node
+	JOIN workflowInfo ON workflowInfo.id = w_node.workflow_id
+	WHERE w_node.id < workflowInfo.rootNodeID
+)
+DELETE FROM w_node_trigger where child_node_id IN (SELECT nodeID FROM oldNode);
+
+
+-- clean w_node
+WITH workflowInfo AS (
+	SELECT id, name, CAST(workflow_data->'node'->>'id' AS BIGINT) as rootNodeID
+	FROM workflow
+),
+oldNode as (
+	SELECT w_node.id as nodeID, w_node.name as nodeName, workflowInfo.id as wID, workflowInfo.name as WName
+	FROM w_node
+	JOIN workflowInfo ON workflowInfo.id = w_node.workflow_id
+	WHERE w_node.id < workflowInfo.rootNodeID
+)
+DELETE FROM w_node where id IN (SELECT nodeID FROM oldNode);
+
+
+-- +migrate Down
+SELECT 1;