diff --git a/ttl/ttlworker/BUILD.bazel b/ttl/ttlworker/BUILD.bazel
index 347bb566834f2..bebd3995bf055 100644
--- a/ttl/ttlworker/BUILD.bazel
+++ b/ttl/ttlworker/BUILD.bazel
@@ -43,6 +43,7 @@ go_test(
     name = "ttlworker_test",
     srcs = [
         "del_test.go",
+        "job_integration_test.go",
         "job_manager_integration_test.go",
         "job_manager_test.go",
         "job_test.go",
diff --git a/ttl/ttlworker/job.go b/ttl/ttlworker/job.go
index 8628e9a6c9746..02f402f90888d 100644
--- a/ttl/ttlworker/job.go
+++ b/ttl/ttlworker/job.go
@@ -47,7 +47,7 @@ const finishJobTemplate = `UPDATE mysql.tidb_ttl_table_status
 const updateJobStateTemplate = "UPDATE mysql.tidb_ttl_table_status SET current_job_state = %? WHERE table_id = %? AND current_job_id = %? AND current_job_owner_id = %?"
 
 func updateJobCurrentStatusSQL(tableID int64, oldStatus cache.JobStatus, newStatus cache.JobStatus, jobID string) (string, []interface{}) {
-	return updateJobCurrentStatusTemplate, []interface{}{newStatus, tableID, oldStatus, jobID}
+	return updateJobCurrentStatusTemplate, []interface{}{string(newStatus), tableID, string(oldStatus), jobID}
 }
 
 func finishJobSQL(tableID int64, finishTime time.Time, summary string, jobID string) (string, []interface{}) {
diff --git a/ttl/ttlworker/job_integration_test.go b/ttl/ttlworker/job_integration_test.go
new file mode 100644
index 0000000000000..b90c4a550d858
--- /dev/null
+++ b/ttl/ttlworker/job_integration_test.go
@@ -0,0 +1,41 @@
+// Copyright 2022 PingCAP, Inc.
+//
+// Licensed 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 ttlworker_test
+
+import (
+	"context"
+	"testing"
+
+	dbsession "github.com/pingcap/tidb/session"
+	"github.com/pingcap/tidb/testkit"
+	"github.com/pingcap/tidb/ttl/cache"
+	"github.com/pingcap/tidb/ttl/session"
+	"github.com/pingcap/tidb/ttl/ttlworker"
+	"github.com/stretchr/testify/require"
+)
+
+func TestChangeStatus(t *testing.T) {
+	store := testkit.CreateMockStore(t)
+	tk := testkit.NewTestKit(t, store)
+
+	dbSession, err := dbsession.CreateSession4Test(store)
+	require.NoError(t, err)
+	se := session.NewSession(dbSession, dbSession, nil)
+
+	job := ttlworker.NewTTLJob(&cache.PhysicalTable{ID: 0}, "0", cache.JobStatusWaiting)
+	tk.MustExec("insert into mysql.tidb_ttl_table_status(table_id,current_job_id,current_job_status) VALUES(0, '0', 'waiting')")
+	require.NoError(t, job.ChangeStatus(context.Background(), se, cache.JobStatusRunning))
+	tk.MustQuery("select current_job_status from mysql.tidb_ttl_table_status").Check(testkit.Rows("running"))
+}
diff --git a/ttl/ttlworker/job_test.go b/ttl/ttlworker/job_test.go
index 7645777327225..19075b905e22d 100644
--- a/ttl/ttlworker/job_test.go
+++ b/ttl/ttlworker/job_test.go
@@ -15,12 +15,27 @@
 package ttlworker
 
 import (
+	"context"
 	"testing"
 
 	"github.com/pingcap/errors"
+	"github.com/pingcap/tidb/ttl/cache"
+	"github.com/pingcap/tidb/ttl/session"
 	"github.com/stretchr/testify/assert"
 )
 
+func NewTTLJob(tbl *cache.PhysicalTable, id string, status cache.JobStatus) *ttlJob {
+	return &ttlJob{
+		tbl:    tbl,
+		id:     id,
+		status: status,
+	}
+}
+
+func (j *ttlJob) ChangeStatus(ctx context.Context, se session.Session, status cache.JobStatus) error {
+	return j.changeStatus(ctx, se, status)
+}
+
 func TestIterScanTask(t *testing.T) {
 	tbl := newMockTTLTbl(t, "t1")