diff --git a/backend/plugins/jira/models/migrationscripts/20240821_flush_issues_data.go b/backend/plugins/jira/models/migrationscripts/20240821_flush_issues_data.go
new file mode 100644
index 00000000000..a34a8d240b6
--- /dev/null
+++ b/backend/plugins/jira/models/migrationscripts/20240821_flush_issues_data.go
@@ -0,0 +1,42 @@
+/*
+Licensed to the Apache Software Foundation (ASF) under one or more
+contributor license agreements.  See the NOTICE file distributed with
+this work for additional information regarding copyright ownership.
+The ASF licenses this file to You under the Apache License, Version 2.0
+(the "License"); you may not use this file except in compliance with
+the License.  You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package migrationscripts
+
+import (
+	"github.com/apache/incubator-devlake/core/context"
+	"github.com/apache/incubator-devlake/core/dal"
+	"github.com/apache/incubator-devlake/core/errors"
+	"github.com/apache/incubator-devlake/core/plugin"
+)
+
+var _ plugin.MigrationScript = (*flushJiraIssues)(nil)
+
+type flushJiraIssues struct{}
+
+func (*flushJiraIssues) Up(basicRes context.BasicRes) errors.Error {
+	db := basicRes.GetDal()
+	return db.Delete("_devlake_subtask_states", dal.Where("plugin = ? and subtask = ?", "jira", "convertIssues"))
+}
+
+func (*flushJiraIssues) Version() uint64 {
+	return 20240821141954
+}
+
+func (*flushJiraIssues) Name() string {
+	return "flush jira convertIssues data from devlake_subtask_states table"
+}
diff --git a/backend/plugins/jira/models/migrationscripts/register.go b/backend/plugins/jira/models/migrationscripts/register.go
index 6b7b89f84a6..5f32aef7c7f 100644
--- a/backend/plugins/jira/models/migrationscripts/register.go
+++ b/backend/plugins/jira/models/migrationscripts/register.go
@@ -52,5 +52,6 @@ func All() []plugin.MigrationScript {
 		new(addTmpAccountIdToJiraIssueChangelogItem),
 		new(addIssueFieldTable),
 		new(changeIssueComponentType),
+		new(flushJiraIssues),
 	}
 }