diff --git a/pkg/handler/dbpaginator.go b/pkg/handler/dbpaginator.go
index 2f3817907..527ac44cf 100644
--- a/pkg/handler/dbpaginator.go
+++ b/pkg/handler/dbpaginator.go
@@ -16,16 +16,16 @@ type DatabasePaginator interface {
 	SearchKeys() []string
 }
 
-func NewLocalDatabasePaginator(data [] model.Database, pageSize int) DatabasePaginator {
+func NewLocalDatabasePaginator(data []model.Database, pageSize int) DatabasePaginator {
 	p := localDatabasePaginator{
 		allData:       data,
 		currentData:   data,
-		pageSize:      pageSize,
 		currentOffset: 0,
 		currentPage:   1,
 		search:        make([]string, 0, 4),
 		lock:          new(sync.RWMutex),
 	}
+	p.SetPageSize(pageSize)
 	return &p
 }
 
@@ -177,7 +177,7 @@ func searchFromLocalDBs(dbs []model.Database, key string) []model.Database {
 	displayDBs := make([]model.Database, 0, len(dbs))
 	key = strings.ToLower(key)
 	for _, db := range dbs {
-		contents := []string{strings.ToLower(db.Name),strings.ToLower(db.DBName),
+		contents := []string{strings.ToLower(db.Name), strings.ToLower(db.DBName),
 			strings.ToLower(db.Host), strings.ToLower(db.Comment)}
 		if isSubstring(contents, key) {
 			displayDBs = append(displayDBs, db)
diff --git a/pkg/httpd/websshws.go b/pkg/httpd/websshws.go
index 96a92641a..5250e9de2 100644
--- a/pkg/httpd/websshws.go
+++ b/pkg/httpd/websshws.go
@@ -45,10 +45,8 @@ func OnNamespaceConnected(ns *neffos.NSConn, msg neffos.Message) error {
 
 	userConn, err := NewUserWebsocketConnWithSession(ns)
 	if err != nil {
-		ns.Emit("data", neffos.Marshal(err.Error()))
-		ns.Emit("disconnect", []byte(""))
-		ns.Conn.Close()
-		return err
+		logger.Errorf("Ws %s check session failed, may use token", ns.Conn.ID())
+		return nil
 	}
 	logger.Infof("Accepted user %s connect ssh ws", userConn.User.Username)
 	websocketManager.AddUserCon(ns.Conn.ID(), userConn)
@@ -203,13 +201,14 @@ func OnTokenHandler(ns *neffos.NSConn, msg neffos.Message) (err error) {
 	}
 	userConn, err := NewUserWebsocketConnWithTokenUser(ns, tokenUser)
 	if err != nil {
-		msg := "User id error"
+		msg := "check token error"
 		dataMsg := DataMsg{Data: msg, Room: roomID}
 		ns.Emit("data", neffos.Marshal(dataMsg))
 		ns.Emit("disconnect", neffos.Marshal([]byte("")))
 		logger.Error("Token Event: ", msg)
 		return errors.New("user id error")
 	}
+	logger.Infof("Ws %s accepted user %s connect by token", ns.Conn.ID(), userConn.User.Username)
 	websocketManager.AddUserCon(ns.Conn.ID(), userConn)
 	go userConn.loopHandler()
 	hostMsg := HostMsg{
diff --git a/pkg/koko/koko.go b/pkg/koko/koko.go
index 0e03ef50c..17e62bf64 100644
--- a/pkg/koko/koko.go
+++ b/pkg/koko/koko.go
@@ -17,7 +17,7 @@ import (
 	"github.com/jumpserver/koko/pkg/sshd"
 )
 
-const Version = "1.5.9"
+const Version = "2.0.0"
 
 type Coco struct {
 }
diff --git a/pkg/model/assets.go b/pkg/model/assets.go
index cb9892b8c..0925c9320 100644
--- a/pkg/model/assets.go
+++ b/pkg/model/assets.go
@@ -295,14 +295,10 @@ const (
 )
 
 type SystemUserFilterRule struct {
-	Priority int `json:"priority"`
-	Type     struct {
-		Value string `json:"value"`
-	} `json:"type"`
-	Content string `json:"content"`
-	Action  struct {
-		Value RuleAction `json:"value"`
-	} `json:"action"`
+	Priority int        `json:"priority"`
+	Type     string     `json:"type"`
+	Content  string     `json:"content"`
+	Action   RuleAction `json:"action"`
 
 	pattern  *regexp.Regexp
 	compiled bool
@@ -313,7 +309,7 @@ func (sf *SystemUserFilterRule) Pattern() *regexp.Regexp {
 		return sf.pattern
 	}
 	var regexs string
-	if sf.Type.Value == TypeCmd {
+	if sf.Type == TypeCmd {
 		var regex []string
 		for _, cmd := range strings.Split(sf.Content, "\r\n") {
 			cmd = regexp.QuoteMeta(cmd)
@@ -346,5 +342,5 @@ func (sf *SystemUserFilterRule) Match(cmd string) (RuleAction, string) {
 	if found == "" {
 		return ActionUnknown, ""
 	}
-	return sf.Action.Value, found
+	return sf.Action, found
 }