diff --git a/tools/keeper/api/adapter2.go b/tools/keeper/api/adapter2.go
index 645b9a176b5d..92450bcca201 100644
--- a/tools/keeper/api/adapter2.go
+++ b/tools/keeper/api/adapter2.go
@@ -23,8 +23,8 @@ var adapterLog = log.GetLogger("ADP")
 type adapterReqType int
 
 const (
-	rest adapterReqType = iota // 0 - rest
-	ws                         // 1 - ws
+	rest adapterReqType = iota
+	ws
 )
 
 type Adapter struct {
@@ -210,7 +210,7 @@ var adapterTableSql = "create stable if not exists `adapter_requests` (" +
 	"`other_fail` int unsigned, " +
 	"`query_in_process` int unsigned, " +
 	"`write_in_process` int unsigned ) " +
-	"tags (`endpoint` varchar(32), `req_type` tinyint unsigned )"
+	"tags (`endpoint` varchar(255), `req_type` tinyint unsigned )"
 
 func (a *Adapter) createTable() error {
 	if a.conn == nil {
diff --git a/tools/keeper/api/adapter2_test.go b/tools/keeper/api/adapter2_test.go
index e6fd263c43fa..4ce003bd47a9 100644
--- a/tools/keeper/api/adapter2_test.go
+++ b/tools/keeper/api/adapter2_test.go
@@ -2,6 +2,7 @@ package api
 
 import (
 	"context"
+	"fmt"
 	"net/http"
 	"net/http/httptest"
 	"strings"
@@ -96,3 +97,38 @@ func TestAdapter2(t *testing.T) {
 
 	conn.Exec(context.Background(), "drop database "+c.Metrics.Database.Name, util.GetQidOwn())
 }
+
+func Test_adapterTableSql(t *testing.T) {
+	conn, _ := db.NewConnector("root", "taosdata", "127.0.0.1", 6041, false)
+	defer conn.Close()
+
+	dbName := "db_202412031446"
+	conn.Exec(context.Background(), "create database "+dbName, util.GetQidOwn())
+	defer conn.Exec(context.Background(), "drop database "+dbName, util.GetQidOwn())
+
+	conn, _ = db.NewConnectorWithDb("root", "taosdata", "127.0.0.1", 6041, dbName, false)
+	defer conn.Close()
+
+	conn.Exec(context.Background(), adapterTableSql, util.GetQidOwn())
+
+	testCases := []struct {
+		ep      string
+		wantErr bool
+	}{
+		{"", false},
+		{"hello", false},
+		{strings.Repeat("a", 128), false},
+		{strings.Repeat("a", 255), false},
+		{strings.Repeat("a", 256), true},
+	}
+
+	for i, tc := range testCases {
+		sql := fmt.Sprintf("create table d%d using adapter_requests tags ('%s', 0)", i, tc.ep)
+		_, err := conn.Exec(context.Background(), sql, util.GetQidOwn())
+		if tc.wantErr {
+			assert.Error(t, err) // [0x2653] Value too long for column/tag: endpoint
+		} else {
+			assert.NoError(t, err)
+		}
+	}
+}
diff --git a/tools/keeper/api/common.go b/tools/keeper/api/common.go
index d02a30eb8b30..26e38e8dd081 100644
--- a/tools/keeper/api/common.go
+++ b/tools/keeper/api/common.go
@@ -17,10 +17,7 @@ var commonLogger = log.GetLogger("CMN")
 
 func CreateDatabase(username string, password string, host string, port int, usessl bool, dbname string, databaseOptions map[string]interface{}) {
 	qid := util.GetQidOwn()
-
-	commonLogger := commonLogger.WithFields(
-		logrus.Fields{config.ReqIDKey: qid},
-	)
+	commonLogger := commonLogger.WithFields(logrus.Fields{config.ReqIDKey: qid})
 
 	ctx := context.Background()
 
@@ -43,7 +40,6 @@ func CreateDatabase(username string, password string, host string, port int, use
 		}
 		return
 	}
-	panic(err)
 }
 
 func generateCreateDBSql(dbname string, databaseOptions map[string]interface{}) string {
diff --git a/tools/keeper/api/gen_metric.go b/tools/keeper/api/gen_metric.go
index 5534fe453df3..bb0908589a2a 100644
--- a/tools/keeper/api/gen_metric.go
+++ b/tools/keeper/api/gen_metric.go
@@ -748,20 +748,21 @@ func (gm *GeneralMetric) initColumnSeqMap() error {
 }
 
 func (gm *GeneralMetric) createSTables() error {
-	var createTableSql = "create stable if not exists taosd_cluster_basic " +
-		"(ts timestamp, first_ep varchar(100), first_ep_dnode_id INT, cluster_version varchar(20)) " +
-		"tags (cluster_id varchar(50))"
-
 	if gm.conn == nil {
 		return errNoConnection
 	}
+
+	createTableSql := "create stable if not exists taosd_cluster_basic " +
+		"(ts timestamp, first_ep varchar(255), first_ep_dnode_id INT, cluster_version varchar(20)) " +
+		"tags (cluster_id varchar(50))"
+
 	_, err := gm.conn.Exec(context.Background(), createTableSql, util.GetQidOwn())
 	if err != nil {
 		return err
 	}
 
-	createTableSql = "create stable if not exists taos_slow_sql_detail" +
-		" (start_ts TIMESTAMP, request_id BIGINT UNSIGNED PRIMARY KEY, query_time INT, code INT, error_info varchar(128), " +
+	createTableSql = "create stable if not exists taos_slow_sql_detail " +
+		"(start_ts TIMESTAMP, request_id BIGINT UNSIGNED PRIMARY KEY, query_time INT, code INT, error_info varchar(128), " +
 		"type TINYINT, rows_num BIGINT, sql varchar(16384), process_name varchar(32), process_id varchar(32)) " +
 		"tags (db varchar(1024), `user` varchar(32), ip varchar(32), cluster_id varchar(32))"
 
diff --git a/tools/keeper/api/gen_metric_test.go b/tools/keeper/api/gen_metric_test.go
index 88987d654407..b66e61ff0704 100644
--- a/tools/keeper/api/gen_metric_test.go
+++ b/tools/keeper/api/gen_metric_test.go
@@ -7,6 +7,7 @@ import (
 	"net/http/httptest"
 	"strings"
 	"testing"
+	"time"
 
 	"github.com/stretchr/testify/assert"
 	"github.com/taosdata/taoskeeper/db"
@@ -255,6 +256,7 @@ func TestGenMetric(t *testing.T) {
 		}
 	})
 }
+
 func TestGetSubTableName(t *testing.T) {
 	tests := []struct {
 		stbName string
@@ -356,3 +358,42 @@ func TestGetSubTableName(t *testing.T) {
 		})
 	}
 }
+
+func Test_createSTables(t *testing.T) {
+	conn, _ := db.NewConnector("root", "taosdata", "127.0.0.1", 6041, false)
+	defer conn.Close()
+
+	dbName := "db_202412031527"
+	conn.Exec(context.Background(), "create database "+dbName, util.GetQidOwn())
+	defer conn.Exec(context.Background(), "drop database "+dbName, util.GetQidOwn())
+
+	conn, _ = db.NewConnectorWithDb("root", "taosdata", "127.0.0.1", 6041, dbName, false)
+	defer conn.Close()
+
+	gm := GeneralMetric{conn: conn}
+	gm.createSTables()
+
+	testCases := []struct {
+		ep      string
+		wantErr bool
+	}{
+		{"", false},
+		{"hello", false},
+		{strings.Repeat("a", 128), false},
+		{strings.Repeat("a", 255), false},
+		{strings.Repeat("a", 256), true},
+	}
+
+	conn.Exec(context.Background(),
+		"create table d0 using taosd_cluster_basic tags('cluster_id')", util.GetQidOwn())
+
+	for _, tc := range testCases {
+		sql := fmt.Sprintf("insert into d0 (ts, first_ep) values(%d, '%s')", time.Now().UnixMilli(), tc.ep)
+		_, err := conn.Exec(context.Background(), sql, util.GetQidOwn())
+		if tc.wantErr {
+			assert.Error(t, err) // [0x2653] Value too long for column/tag: endpoint
+		} else {
+			assert.NoError(t, err)
+		}
+	}
+}
diff --git a/tools/keeper/api/report.go b/tools/keeper/api/report.go
index eb9c3856f874..876d99da2d75 100644
--- a/tools/keeper/api/report.go
+++ b/tools/keeper/api/report.go
@@ -384,7 +384,7 @@ func insertClusterInfoSql(info ClusterInfo, ClusterID string, protocol int, ts s
 		sqls = append(sqls, fmt.Sprintf("insert into d_info_%s using d_info tags (%d, '%s', '%s') values ('%s', '%s')",
 			ClusterID+strconv.Itoa(dnode.DnodeID), dnode.DnodeID, dnode.DnodeEp, ClusterID, ts, dnode.Status))
 		dtotal++
-		if "ready" == dnode.Status {
+		if dnode.Status == "ready" {
 			dalive++
 		}
 	}
@@ -393,8 +393,8 @@ func insertClusterInfoSql(info ClusterInfo, ClusterID string, protocol int, ts s
 		sqls = append(sqls, fmt.Sprintf("insert into m_info_%s using m_info tags (%d, '%s', '%s') values ('%s', '%s')",
 			ClusterID+strconv.Itoa(mnode.MnodeID), mnode.MnodeID, mnode.MnodeEp, ClusterID, ts, mnode.Role))
 		mtotal++
-		//LEADER FOLLOWER CANDIDATE ERROR
-		if "ERROR" != mnode.Role {
+		// LEADER FOLLOWER CANDIDATE ERROR
+		if mnode.Role != "ERROR" {
 			malive++
 		}
 	}
diff --git a/tools/keeper/api/tables.go b/tools/keeper/api/tables.go
index 90f0e0972120..1eae2fe61a6b 100644
--- a/tools/keeper/api/tables.go
+++ b/tools/keeper/api/tables.go
@@ -45,7 +45,7 @@ var dnodeEpLen = strconv.Itoa(255)
 
 var CreateClusterInfoSql = "create table if not exists cluster_info (" +
 	"ts timestamp, " +
-	"first_ep binary(134), " +
+	"first_ep binary(255), " +
 	"first_ep_dnode_id int, " +
 	"version binary(12), " +
 	"master_uptime float, " +
diff --git a/tools/keeper/api/tables_test.go b/tools/keeper/api/tables_test.go
new file mode 100644
index 000000000000..18962f023182
--- /dev/null
+++ b/tools/keeper/api/tables_test.go
@@ -0,0 +1,51 @@
+package api
+
+import (
+	"context"
+	"fmt"
+	"strings"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/taosdata/taoskeeper/db"
+	"github.com/taosdata/taoskeeper/util"
+)
+
+func TestCreateClusterInfoSql(t *testing.T) {
+	conn, _ := db.NewConnector("root", "taosdata", "127.0.0.1", 6041, false)
+	defer conn.Close()
+
+	dbName := "db_202412031539"
+	conn.Exec(context.Background(), "create database "+dbName, util.GetQidOwn())
+	defer conn.Exec(context.Background(), "drop database "+dbName, util.GetQidOwn())
+
+	conn, _ = db.NewConnectorWithDb("root", "taosdata", "127.0.0.1", 6041, dbName, false)
+	defer conn.Close()
+
+	conn.Exec(context.Background(), CreateClusterInfoSql, util.GetQidOwn())
+
+	testCases := []struct {
+		ep      string
+		wantErr bool
+	}{
+		{"", false},
+		{"hello", false},
+		{strings.Repeat("a", 128), false},
+		{strings.Repeat("a", 255), false},
+		{strings.Repeat("a", 256), true},
+	}
+
+	conn.Exec(context.Background(),
+		"create table d0 using cluster_info tags('cluster_id')", util.GetQidOwn())
+
+	for _, tc := range testCases {
+		sql := fmt.Sprintf("insert into d0 (ts, first_ep) values(%d, '%s')", time.Now().UnixMilli(), tc.ep)
+		_, err := conn.Exec(context.Background(), sql, util.GetQidOwn())
+		if tc.wantErr {
+			assert.Error(t, err) // [0x2653] Value too long for column/tag: endpoint
+		} else {
+			assert.NoError(t, err)
+		}
+	}
+}
diff --git a/tools/keeper/cmd/command.go b/tools/keeper/cmd/command.go
index 82d3efea1fd1..33d248262811 100644
--- a/tools/keeper/cmd/command.go
+++ b/tools/keeper/cmd/command.go
@@ -315,14 +315,13 @@ func (cmd *Command) TransferDataToDest(data *db.Data, dstTable string, tagNum in
 
 // cluster_info
 func (cmd *Command) TransferTaosdClusterBasicInfo() error {
-
 	ctx := context.Background()
 
 	endTime := time.Now()
 	delta := time.Hour * 24 * 10
 
 	var createTableSql = "create stable if not exists taosd_cluster_basic " +
-		"(ts timestamp, first_ep varchar(100), first_ep_dnode_id INT, cluster_version varchar(20)) " +
+		"(ts timestamp, first_ep varchar(255), first_ep_dnode_id INT, cluster_version varchar(20)) " +
 		"tags (cluster_id varchar(50))"
 
 	if _, err := cmd.conn.Exec(ctx, createTableSql, util.GetQidOwn()); err != nil {
diff --git a/tools/keeper/cmd/command_test.go b/tools/keeper/cmd/command_test.go
new file mode 100644
index 000000000000..b75b0a75ace1
--- /dev/null
+++ b/tools/keeper/cmd/command_test.go
@@ -0,0 +1,55 @@
+package cmd
+
+import (
+	"context"
+	"fmt"
+	"strings"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/taosdata/taoskeeper/db"
+	"github.com/taosdata/taoskeeper/infrastructure/config"
+	"github.com/taosdata/taoskeeper/util"
+)
+
+func TestTransferTaosdClusterBasicInfo(t *testing.T) {
+	config.InitConfig()
+
+	conn, _ := db.NewConnector("root", "taosdata", "127.0.0.1", 6041, false)
+	defer conn.Close()
+
+	dbName := "db_202412031539"
+	conn.Exec(context.Background(), "create database "+dbName, util.GetQidOwn())
+	defer conn.Exec(context.Background(), "drop database "+dbName, util.GetQidOwn())
+
+	conn, _ = db.NewConnectorWithDb("root", "taosdata", "127.0.0.1", 6041, dbName, false)
+	defer conn.Close()
+
+	cmd := Command{conn: conn, fromTime: time.Now().Add(time.Duration(1 * time.Hour))}
+	cmd.TransferTaosdClusterBasicInfo()
+
+	testCases := []struct {
+		ep      string
+		wantErr bool
+	}{
+		{"", false},
+		{"hello", false},
+		{strings.Repeat("a", 128), false},
+		{strings.Repeat("a", 255), false},
+		{strings.Repeat("a", 256), true},
+	}
+
+	conn.Exec(context.Background(),
+		"create table d0 using taosd_cluster_basic tags('cluster_id')", util.GetQidOwn())
+
+	for _, tc := range testCases {
+		sql := fmt.Sprintf("insert into d0 (ts, first_ep) values(%d, '%s')", time.Now().UnixMilli(), tc.ep)
+		_, err := conn.Exec(context.Background(), sql, util.GetQidOwn())
+		if tc.wantErr {
+			assert.Error(t, err) // [0x2653] Value too long for column/tag: endpoint
+		} else {
+			assert.NoError(t, err)
+		}
+	}
+}
diff --git a/tools/keeper/cmd/empty_test.go b/tools/keeper/cmd/empty_test.go
deleted file mode 100644
index 143df6893c2e..000000000000
--- a/tools/keeper/cmd/empty_test.go
+++ /dev/null
@@ -1,8 +0,0 @@
-package cmd
-
-import (
-	"testing"
-)
-
-func TestEmpty(t *testing.T) {
-}
diff --git a/tools/keeper/db/connector.go b/tools/keeper/db/connector.go
index a8f106e95272..b55f449d255b 100644
--- a/tools/keeper/db/connector.go
+++ b/tools/keeper/db/connector.go
@@ -10,7 +10,6 @@ import (
 	"time"
 
 	"github.com/sirupsen/logrus"
-	"github.com/taosdata/driver-go/v3/common"
 
 	_ "github.com/taosdata/driver-go/v3/taosRestful"
 	"github.com/taosdata/taoskeeper/infrastructure/config"
@@ -70,9 +69,13 @@ func NewConnectorWithDb(username, password, host string, port int, dbname string
 	return &Connector{db: db}, nil
 }
 
+type ReqIDKeyTy string
+
+const ReqIDKey ReqIDKeyTy = "taos_req_id"
+
 func (c *Connector) Exec(ctx context.Context, sql string, qid uint64) (int64, error) {
 	dbLogger := dbLogger.WithFields(logrus.Fields{config.ReqIDKey: qid})
-	ctx = context.WithValue(ctx, common.ReqIDKey, int64(qid))
+	ctx = context.WithValue(ctx, ReqIDKey, int64(qid))
 
 	dbLogger.Tracef("call adapter to execute sql:%s", sql)
 	startTime := time.Now()
@@ -120,7 +123,7 @@ func logData(data *Data, logger *logrus.Entry) {
 
 func (c *Connector) Query(ctx context.Context, sql string, qid uint64) (*Data, error) {
 	dbLogger := dbLogger.WithFields(logrus.Fields{config.ReqIDKey: qid})
-	ctx = context.WithValue(ctx, common.ReqIDKey, int64(qid))
+	ctx = context.WithValue(ctx, ReqIDKey, int64(qid))
 
 	dbLogger.Tracef("call adapter to execute query, sql:%s", sql)
 
diff --git a/tools/keeper/infrastructure/log/empty_test.go b/tools/keeper/infrastructure/log/empty_test.go
deleted file mode 100644
index 468c02173baa..000000000000
--- a/tools/keeper/infrastructure/log/empty_test.go
+++ /dev/null
@@ -1,8 +0,0 @@
-package log
-
-import (
-	"testing"
-)
-
-func TestEmpty(t *testing.T) {
-}
diff --git a/tools/keeper/infrastructure/log/log.go b/tools/keeper/infrastructure/log/log.go
index 0a54e99eb934..bd7b02689721 100644
--- a/tools/keeper/infrastructure/log/log.go
+++ b/tools/keeper/infrastructure/log/log.go
@@ -13,7 +13,6 @@ import (
 	"github.com/sirupsen/logrus"
 	rotatelogs "github.com/taosdata/file-rotatelogs/v2"
 	"github.com/taosdata/taoskeeper/infrastructure/config"
-
 	"github.com/taosdata/taoskeeper/version"
 )
 
diff --git a/tools/keeper/monitor/empty_test.go b/tools/keeper/monitor/empty_test.go
deleted file mode 100644
index 689acfac4c37..000000000000
--- a/tools/keeper/monitor/empty_test.go
+++ /dev/null
@@ -1,8 +0,0 @@
-package monitor
-
-import (
-	"testing"
-)
-
-func TestEmpty(t *testing.T) {
-}
diff --git a/tools/keeper/monitor/monitor_test.go b/tools/keeper/monitor/monitor_test.go
index b2b860dcaa9f..16d0dbe5b2be 100644
--- a/tools/keeper/monitor/monitor_test.go
+++ b/tools/keeper/monitor/monitor_test.go
@@ -11,10 +11,9 @@ import (
 	"github.com/taosdata/go-utils/web"
 	"github.com/taosdata/taoskeeper/api"
 	"github.com/taosdata/taoskeeper/db"
-	"github.com/taosdata/taoskeeper/util"
-
 	"github.com/taosdata/taoskeeper/infrastructure/config"
 	"github.com/taosdata/taoskeeper/infrastructure/log"
+	"github.com/taosdata/taoskeeper/util"
 )
 
 func TestStart(t *testing.T) {
@@ -35,7 +34,7 @@ func TestStart(t *testing.T) {
 	conf.RotationInterval = "1s"
 	StartMonitor("", conf, reporter)
 	time.Sleep(2 * time.Second)
-	for k, _ := range SysMonitor.outputs {
+	for k := range SysMonitor.outputs {
 		SysMonitor.Deregister(k)
 	}
 
diff --git a/tools/keeper/system/empty_test.go b/tools/keeper/system/empty_test.go
deleted file mode 100644
index a4d4777d3297..000000000000
--- a/tools/keeper/system/empty_test.go
+++ /dev/null
@@ -1,8 +0,0 @@
-package system
-
-import (
-	"testing"
-)
-
-func TestEmpty(t *testing.T) {
-}
diff --git a/tools/keeper/util/pool/antpool.go b/tools/keeper/util/pool/antpool.go
index 7a4ecd46dea5..73529469f506 100644
--- a/tools/keeper/util/pool/antpool.go
+++ b/tools/keeper/util/pool/antpool.go
@@ -1,8 +1,6 @@
 package pool
 
-import (
-	"github.com/panjf2000/ants/v2"
-)
+import "github.com/panjf2000/ants/v2"
 
 var GoroutinePool *ants.Pool
 
diff --git a/tools/keeper/util/util.go b/tools/keeper/util/util.go
index a739c2376051..6711db71e104 100644
--- a/tools/keeper/util/util.go
+++ b/tools/keeper/util/util.go
@@ -118,9 +118,7 @@ func GetQid(qidStr string) uint64 {
 }
 
 func GetQidOwn() uint64 {
-
 	id := atomic.AddUint64(&globalCounter64, 1)
-
 	if id > 0x00ffffffffffffff {
 		atomic.StoreUint64(&globalCounter64, 1)
 		id = 1