diff --git a/common/utils.go b/common/utils.go
index f9db2b1..c121733 100644
--- a/common/utils.go
+++ b/common/utils.go
@@ -118,5 +118,6 @@ func RunSQLScript(conf dtmcli.DBConf, script string, skipDrop bool) {
 		}
 		_, err = dtmimp.DBExec(con, s)
 		logger.FatalIfError(err)
+		logger.Infof("sql scripts finished: %s", s)
 	}
 }
diff --git a/dtmcli/dtmimp/vars.go b/dtmcli/dtmimp/vars.go
index ee9bad6..c7af1ff 100644
--- a/dtmcli/dtmimp/vars.go
+++ b/dtmcli/dtmimp/vars.go
@@ -10,6 +10,7 @@ import (
 	"errors"
 
 	"github.com/go-resty/resty/v2"
+	"github.com/yedf/dtm/dtmcli/logger"
 )
 
 // ErrFailure error of FAILURE
@@ -36,12 +37,12 @@ func init() {
 	// RestyClient.SetRetryWaitTime(1 * time.Second)
 	RestyClient.OnBeforeRequest(func(c *resty.Client, r *resty.Request) error {
 		r.URL = MayReplaceLocalhost(r.URL)
-		Logf("requesting: %s %s %v %v", r.Method, r.URL, r.Body, r.QueryParam)
+		logger.Debugf("requesting: %s %s %v %v", r.Method, r.URL, r.Body, r.QueryParam)
 		return nil
 	})
 	RestyClient.OnAfterResponse(func(c *resty.Client, resp *resty.Response) error {
 		r := resp.Request
-		Logf("requested: %s %s %s", r.Method, r.URL, resp.String())
+		logger.Debugf("requested: %s %s %s", r.Method, r.URL, resp.String())
 		return nil
 	})
 }
diff --git a/dtmsvr/api.go b/dtmsvr/api.go
index eb26ffb..5ca0e9e 100644
--- a/dtmsvr/api.go
+++ b/dtmsvr/api.go
@@ -11,6 +11,7 @@ import (
 
 	"github.com/yedf/dtm/dtmcli"
 	"github.com/yedf/dtm/dtmcli/dtmimp"
+	"github.com/yedf/dtm/dtmcli/logger"
 	"github.com/yedf/dtm/dtmsvr/storage"
 )
 
@@ -71,7 +72,10 @@ func svcRegisterBranch(transType string, branch *TransBranch, data map[string]st
 	})
 	if err == storage.ErrNotFound {
 		msg := fmt.Sprintf("no trans with gid: %s status: %s found", branch.Gid, dtmcli.StatusPrepared)
+		logger.Errorf(msg)
 		return map[string]interface{}{"dtm_result": dtmcli.ResultFailure, "message": msg}, nil
 	}
+	logger.Infof("LockGlobalSaveBranches result: %v: gid: %s old status: %s branches: %s",
+		err, branch.Gid, dtmcli.StatusPrepared, dtmimp.MustMarshalString(branches))
 	return dtmimp.If(err != nil, nil, dtmcli.MapSuccess), err
 }
diff --git a/dtmsvr/cron.go b/dtmsvr/cron.go
index bd31d29..120b74c 100644
--- a/dtmsvr/cron.go
+++ b/dtmsvr/cron.go
@@ -50,6 +50,7 @@ func lockOneTrans(expireIn time.Duration) *TransGlobal {
 	if global == nil {
 		return nil
 	}
+	logger.Infof("cron job return a trans: %s", global.String())
 	return &TransGlobal{TransGlobalStore: *global}
 }
 
diff --git a/dtmsvr/storage/boltdb/boltdb.go b/dtmsvr/storage/boltdb/boltdb.go
index 31a0804..d02ba5c 100644
--- a/dtmsvr/storage/boltdb/boltdb.go
+++ b/dtmsvr/storage/boltdb/boltdb.go
@@ -242,6 +242,7 @@ func (s *BoltdbStore) PopulateData(skipDrop bool) {
 			return nil
 		})
 		dtmimp.E2P(err)
+		logger.Infof("Reset all data for boltdb")
 	}
 }
 
diff --git a/dtmsvr/storage/redis/redis.go b/dtmsvr/storage/redis/redis.go
index 00cecd4..084ce63 100644
--- a/dtmsvr/storage/redis/redis.go
+++ b/dtmsvr/storage/redis/redis.go
@@ -27,8 +27,11 @@ func (s *RedisStore) Ping() error {
 }
 
 func (s *RedisStore) PopulateData(skipDrop bool) {
-	_, err := redisGet().FlushAll(ctx).Result()
-	dtmimp.PanicIf(err != nil, err)
+	if !skipDrop {
+		_, err := redisGet().FlushAll(ctx).Result()
+		logger.Infof("call redis flushall. result: %v", err)
+		dtmimp.PanicIf(err != nil, err)
+	}
 }
 
 func (s *RedisStore) FindTransGlobalStore(gid string) *storage.TransGlobalStore {
diff --git a/dtmsvr/storage/trans.go b/dtmsvr/storage/trans.go
index dbabc01..24abd58 100644
--- a/dtmsvr/storage/trans.go
+++ b/dtmsvr/storage/trans.go
@@ -5,6 +5,7 @@ import (
 
 	"github.com/yedf/dtm/common"
 	"github.com/yedf/dtm/dtmcli"
+	"github.com/yedf/dtm/dtmcli/dtmimp"
 )
 
 type TransGlobalStore struct {
@@ -29,10 +30,14 @@ type TransGlobalStore struct {
 }
 
 // TableName TableName
-func (*TransGlobalStore) TableName() string {
+func (g *TransGlobalStore) TableName() string {
 	return "dtm.trans_global"
 }
 
+func (g *TransGlobalStore) String() string {
+	return dtmimp.MustMarshalString(g)
+}
+
 // TransBranchStore branch transaction
 type TransBranchStore struct {
 	common.ModelBase
@@ -47,6 +52,10 @@ type TransBranchStore struct {
 }
 
 // TableName TableName
-func (*TransBranchStore) TableName() string {
+func (b *TransBranchStore) TableName() string {
 	return "dtm.trans_branch_op"
 }
+
+func (b *TransBranchStore) String() string {
+	return dtmimp.MustMarshalString(*b)
+}
diff --git a/dtmsvr/svr.go b/dtmsvr/svr.go
index 4f6c866..283c442 100644
--- a/dtmsvr/svr.go
+++ b/dtmsvr/svr.go
@@ -79,11 +79,11 @@ func updateBranchAsync() {
 		for len(updates) > 0 {
 			dbr := GetStore().UpdateBranchesSql(updates, []string{"status", "finish_time", "update_time"})
 
-			logger.Debugf("flushed %d branch status to db. affected: %d", len(updates), dbr.RowsAffected)
 			if dbr.Error != nil {
 				logger.Errorf("async update branch status error: %v", dbr.Error)
 				time.Sleep(1 * time.Second)
 			} else {
+				logger.Infof("flushed %d branch status to db. affected: %d", len(updates), dbr.RowsAffected)
 				updates = []TransBranch{}
 			}
 		}
diff --git a/dtmsvr/trans_process.go b/dtmsvr/trans_process.go
index a9ef2f9..721919e 100644
--- a/dtmsvr/trans_process.go
+++ b/dtmsvr/trans_process.go
@@ -45,7 +45,7 @@ func (t *TransGlobal) process() map[string]interface{} {
 func (t *TransGlobal) processInner() (rerr error) {
 	defer handlePanic(&rerr)
 	defer func() {
-		if rerr != nil {
+		if rerr != nil && rerr != dtmcli.ErrOngoing {
 			logger.Errorf("processInner got error: %s", rerr.Error())
 		}
 		if TransProcessedTestChan != nil {
@@ -72,5 +72,8 @@ func (t *TransGlobal) saveNew() error {
 	now := time.Now()
 	t.CreateTime = &now
 	t.UpdateTime = &now
-	return GetStore().MaySaveNewTrans(&t.TransGlobalStore, branches)
+	err := GetStore().MaySaveNewTrans(&t.TransGlobalStore, branches)
+	logger.Infof("MaySaveNewTrans result: %v, global: %v branches: %v",
+		err, t.TransGlobalStore.String(), dtmimp.MustMarshalString(branches))
+	return err
 }
diff --git a/dtmsvr/trans_status.go b/dtmsvr/trans_status.go
index d7097ca..371bef8 100644
--- a/dtmsvr/trans_status.go
+++ b/dtmsvr/trans_status.go
@@ -13,6 +13,7 @@ import (
 
 	"github.com/yedf/dtm/dtmcli"
 	"github.com/yedf/dtm/dtmcli/dtmimp"
+	"github.com/yedf/dtm/dtmcli/logger"
 	"github.com/yedf/dtm/dtmgrpc/dtmgimp"
 	"github.com/yedf/dtmdriver"
 	"google.golang.org/grpc/codes"
@@ -22,6 +23,7 @@ import (
 func (t *TransGlobal) touchCronTime(ctype cronType) {
 	t.lastTouched = time.Now()
 	GetStore().TouchCronTime(&t.TransGlobalStore, t.getNextCronInterval(ctype))
+	logger.Infof("TouchCronTime for: %s", t.TransGlobalStore.String())
 }
 
 func (t *TransGlobal) changeStatus(status string) {
@@ -36,6 +38,7 @@ func (t *TransGlobal) changeStatus(status string) {
 	}
 	t.UpdateTime = &now
 	GetStore().ChangeGlobalStatus(&t.TransGlobalStore, status, updates, status == dtmcli.StatusSucceed || status == dtmcli.StatusFailed)
+	logger.Infof("ChangeGlobalStatus to %s ok for %s", status, t.TransGlobalStore.String())
 	t.Status = status
 }
 
@@ -46,6 +49,8 @@ func (t *TransGlobal) changeBranchStatus(b *TransBranch, status string, branchPo
 	b.UpdateTime = &now
 	if config.Store.Driver != dtmimp.DBTypeMysql && config.Store.Driver != dtmimp.DBTypePostgres || config.UpdateBranchSync > 0 || t.updateBranchSync {
 		GetStore().LockGlobalSaveBranches(t.Gid, t.Status, []TransBranch{*b}, branchPos)
+		logger.Infof("LockGlobalSaveBranches ok: gid: %s old status: %s branches: %s",
+			b.Gid, dtmcli.StatusPrepared, b.String())
 	} else { // 为了性能优化，把branch的status更新异步化
 		updateBranchAsyncChan <- branchStatus{id: b.ID, status: status, finishTime: &now}
 	}
diff --git a/dtmsvr/trans_type_saga.go b/dtmsvr/trans_type_saga.go
index bdeea9b..e710d46 100644
--- a/dtmsvr/trans_type_saga.go
+++ b/dtmsvr/trans_type_saga.go
@@ -104,7 +104,7 @@ func (t *transSagaProcessor) ProcessOnce(branches []TransBranch) error {
 				err = dtmimp.AsError(x)
 			}
 			resultChan <- branchResult{index: i, status: branches[i].Status, op: branches[i].Op}
-			if err != nil {
+			if err != nil && err != dtmcli.ErrOngoing {
 				logger.Errorf("exec branch error: %v", err)
 			}
 		}()