diff --git a/dtmsvr/trans.go b/dtmsvr/trans.go
index 3e8a156..568a179 100644
--- a/dtmsvr/trans.go
+++ b/dtmsvr/trans.go
@@ -138,7 +138,7 @@ func (t *TransGlobal) getBranchParams(branch *TransBranch) common.MS {
 
 func (t *TransGlobal) setNextCron(expireIn int64) []string {
 	t.NextCronInterval = expireIn
-	next := time.Now().Add(time.Duration(config.TransCronInterval) * time.Second)
+	next := time.Now().Add(time.Duration(t.NextCronInterval) * time.Second)
 	t.NextCronTime = &next
 	return []string{"next_cron_interval", "next_cron_time"}
 }
diff --git a/dtmsvr/trans_saga.go b/dtmsvr/trans_saga.go
index 7c56dc8..1d8c4eb 100644
--- a/dtmsvr/trans_saga.go
+++ b/dtmsvr/trans_saga.go
@@ -51,16 +51,19 @@ func (t *transSagaProcessor) ExecBranch(db *common.DB, branch *TransBranch) {
 }
 
 func (t *transSagaProcessor) ProcessOnce(db *common.DB, branches []TransBranch) {
-	if t.Status != "submitted" {
+	if t.Status == "failed" || t.Status == "succeed" {
 		return
 	}
 	current := 0 // 当前正在处理的步骤
 	for ; current < len(branches); current++ {
 		branch := &branches[current]
-		if branch.BranchType != "action" || branch.Status != "prepared" {
+		if branch.BranchType != "action" || branch.Status == "succeed" {
 			continue
 		}
-		t.ExecBranch(db, branch)
+		// 找到了一个非succeed的action
+		if branch.Status == "prepared" {
+			t.ExecBranch(db, branch)
+		}
 		if branch.Status != "succeed" {
 			break
 		}
@@ -79,8 +82,5 @@ func (t *transSagaProcessor) ProcessOnce(db *common.DB, branches []TransBranch)
 		}
 		t.ExecBranch(db, branch)
 	}
-	if current != -1 {
-		panic(fmt.Errorf("saga current not -1"))
-	}
-	t.changeStatus(db.Must(), "failed")
+	t.changeStatus(db, "failed")
 }
diff --git a/dtmsvr/trans_tcc.go b/dtmsvr/trans_tcc.go
index 9df472b..0b8c597 100644
--- a/dtmsvr/trans_tcc.go
+++ b/dtmsvr/trans_tcc.go
@@ -39,11 +39,10 @@ func (t *transTccProcessor) ProcessOnce(db *common.DB, branches []TransBranch) {
 		return
 	}
 	branchType := common.If(t.Status == "submitted", "confirm", "cancel").(string)
-	for current := len(branches) - 1; current >= -1; current-- {
-		if current == -1 { // 已全部处理完
-			t.changeStatus(db, common.If(t.Status == "submitted", "succeed", "failed").(string))
-		} else if branches[current].BranchType == branchType {
+	for current := len(branches) - 1; current >= 0; current-- {
+		if branches[current].BranchType == branchType && branches[current].Status == "prepared" {
 			t.ExecBranch(db, &branches[current])
 		}
 	}
+	t.changeStatus(db, common.If(t.Status == "submitted", "succeed", "failed").(string))
 }