diff --git a/dtmsvr/cron.go b/dtmsvr/cron.go
new file mode 100644
index 0000000..f99912d
--- /dev/null
+++ b/dtmsvr/cron.go
@@ -0,0 +1,24 @@
+package dtmsvr
+
+import (
+	"strings"
+	"time"
+
+	"github.com/yedf/dtm/common"
+)
+
+func CronPreparedOne(expire time.Duration) {
+	db := DbGet()
+	sm := SagaModel{}
+	dbr := db.Model(&sm).Where("update_time > date_add(now(), interval ? second)", int(expire/time.Second)).Where("status = ?", "prepared").First(&sm)
+	common.PanicIfError(dbr.Error)
+	resp, err := common.RestyClient.R().SetQueryParam("gid", sm.Gid).Get(sm.TransQuery)
+	common.PanicIfError(err)
+	body := resp.String()
+	if strings.Contains(body, "FAIL") {
+		dbr = db.Model(&sm).Where("status = ?", "prepared").Update("status", "canceled")
+		common.PanicIfError(dbr.Error)
+	} else if strings.Contains(body, "SUCESS") {
+		dbr = db.Model(&sm).Where("status = ?", "")
+	}
+}