diff --git a/src/models/team.go b/src/models/team.go
index bc2d59e6..c28f715a 100644
--- a/src/models/team.go
+++ b/src/models/team.go
@@ -314,6 +314,12 @@ func TeamGets(query string, limit, offset int) ([]Team, error) {
 	return objs, err
 }
 
+func AllTeams() ([]Team, error) {
+	var teams []Team
+	err := DB["rdb"].Find(&teams)
+	return teams, err
+}
+
 func TeamGetsInIds(ids []int64, query string, limit, offset int) ([]Team, error) {
 	session := DB["rdb"].In("id", ids).Limit(limit, offset).OrderBy("ident")
 	if query != "" {
diff --git a/src/models/user.go b/src/models/user.go
index 97655d2c..1efae93e 100644
--- a/src/models/user.go
+++ b/src/models/user.go
@@ -3,7 +3,6 @@ package models
 import (
 	"fmt"
 	"log"
-	"strconv"
 	"strings"
 	"time"
 
@@ -680,29 +679,6 @@ func (u *User) NopriResIdents(resIds []int64, op string) ([]string, error) {
 	return ResourceIdentsByIds(nopris)
 }
 
-func GetUsersNameByIds(ids string) ([]string, error) {
-	var names []string
-	ids = strings.Replace(ids, "[", "", -1)
-	ids = strings.Replace(ids, "]", "", -1)
-	idsStrArr := strings.Split(ids, ",")
-
-	userIds := []int64{}
-	for _, userId := range idsStrArr {
-		id, _ := strconv.ParseInt(userId, 10, 64)
-		userIds = append(userIds, id)
-	}
-
-	users, err := UserGetByIds(userIds)
-
-	if err != nil {
-		return names, err
-	}
-	for _, user := range users {
-		names = append(names, user.Username)
-	}
-	return names, err
-}
-
 func UsersGet(where string, args ...interface{}) ([]User, error) {
 	var objs []User
 	err := DB["rdb"].Where(where, args...).Find(&objs)
diff --git a/src/modules/server/cache/init.go b/src/modules/server/cache/init.go
index fba29930..81cbcdcd 100644
--- a/src/modules/server/cache/init.go
+++ b/src/modules/server/cache/init.go
@@ -27,6 +27,11 @@ func Init(regions []string) {
 	ApiCollectCache = NewApiCollectCache()
 	SnmpCollectCache = NewSnmpCollectCache()
 	SnmpHWCache = NewSnmpHWCache()
+	TeamUsersCache = NewTeamUsersCache()
+	TeamCache = NewTeamCache()
+	UserCache = NewUserCache()
+	TreeNodeCache = NewTreeNodeCache()
+
 	LoadMetrics()
 
 	go InitJudgeHashRing()
diff --git a/src/modules/server/cache/monapi_team.go b/src/modules/server/cache/monapi_team_user.go
similarity index 86%
rename from src/modules/server/cache/monapi_team.go
rename to src/modules/server/cache/monapi_team_user.go
index df9d6725..f6881504 100644
--- a/src/modules/server/cache/monapi_team.go
+++ b/src/modules/server/cache/monapi_team_user.go
@@ -11,7 +11,7 @@ type TeamUsersMap struct {
 
 var TeamUsersCache *TeamUsersMap
 
-func NewTeamCache() *TeamUsersMap {
+func NewTeamUsersCache() *TeamUsersMap {
 	return &TeamUsersMap{Data: make(map[int64][]int64)}
 }
 
@@ -27,9 +27,13 @@ func (s *TeamUsersMap) GetByTeamIds(ids []int64) []int64 {
 	defer s.RUnlock()
 	m := make(map[int64]struct{})
 	var userIds []int64
+
 	for _, id := range ids {
-		m[id] = struct{}{}
+		for _, uid := range s.Data[id] {
+			m[uid] = struct{}{}
+		}
 	}
+
 	for id, _ := range m {
 		userIds = append(userIds, id)
 	}
diff --git a/src/modules/server/cache/monapi_teams.go b/src/modules/server/cache/monapi_teams.go
new file mode 100644
index 00000000..8d22584d
--- /dev/null
+++ b/src/modules/server/cache/monapi_teams.go
@@ -0,0 +1,69 @@
+package cache
+
+import (
+	"strconv"
+	"strings"
+	"sync"
+
+	"github.com/didi/nightingale/v4/src/models"
+)
+
+type TeamMap struct {
+	sync.RWMutex
+	Data map[int64]*models.Team
+}
+
+var TeamCache *TeamMap
+
+func NewTeamCache() *TeamMap {
+	return &TeamMap{Data: make(map[int64]*models.Team)}
+}
+
+func (s *TeamMap) GetBy(id int64) *models.Team {
+	s.RLock()
+	defer s.RUnlock()
+
+	return s.Data[id]
+}
+
+func (s *TeamMap) GetByIds(ids []int64) []*models.Team {
+	s.RLock()
+	defer s.RUnlock()
+	var objs []*models.Team
+	for _, id := range ids {
+		if s.Data[id] == nil {
+			continue
+		}
+		objs = append(objs, s.Data[id])
+	}
+
+	return objs
+}
+
+func (s *TeamMap) SetAll(objs map[int64]*models.Team) {
+	s.Lock()
+	defer s.Unlock()
+
+	s.Data = objs
+	return
+}
+
+func (s *TeamMap) GetTeamNamesByIds(ids string) []string {
+	var names []string
+	ids = strings.Replace(ids, "[", "", -1)
+	ids = strings.Replace(ids, "]", "", -1)
+	idsStrArr := strings.Split(ids, ",")
+
+	teamIds := []int64{}
+	for _, teamId := range idsStrArr {
+		id, _ := strconv.ParseInt(teamId, 10, 64)
+		teamIds = append(teamIds, id)
+	}
+
+	objs := s.GetByIds(teamIds)
+	for _, obj := range objs {
+		names = append(names, obj.Name)
+	}
+
+	return names
+}
diff --git a/src/modules/server/cache/monapi_users.go b/src/modules/server/cache/monapi_users.go
index 3cbf5255..d08b4114 100644
--- a/src/modules/server/cache/monapi_users.go
+++ b/src/modules/server/cache/monapi_users.go
@@ -1,6 +1,8 @@
 package cache
 
 import (
+	"strconv"
+	"strings"
 	"sync"
 
 	"github.com/didi/nightingale/v4/src/models"
@@ -29,6 +31,9 @@ func (s *UserMap) GetByIds(ids []int64) []*models.User {
 	defer s.RUnlock()
 	var users []*models.User
 	for _, id := range ids {
+		if s.Data[id] == nil {
+			continue
+		}
 		users = append(users, s.Data[id])
 	}
 
@@ -42,3 +47,23 @@ func (s *UserMap) SetAll(users map[int64]*models.User) {
 	s.Data = users
 	return
 }
+
+func (s *UserMap) GetUsernamesByIds(ids string) []string {
+	var names []string
+	ids = strings.Replace(ids, "[", "", -1)
+	ids = strings.Replace(ids, "]", "", -1)
+	idsStrArr := strings.Split(ids, ",")
+
+	userIds := []int64{}
+	for _, userId := range idsStrArr {
+		id, _ := strconv.ParseInt(userId, 10, 64)
+		userIds = append(userIds, id)
+	}
+
+	users := s.GetByIds(userIds)
+	for _, user := range users {
+		names = append(names, user.Username)
+	}
+
+	return names
+}
diff --git a/src/modules/server/cache/node.go b/src/modules/server/cache/node.go
new file mode 100644
index 00000000..182c63e5
--- /dev/null
+++ b/src/modules/server/cache/node.go
@@ -0,0 +1,44 @@
+package cache
+
+import (
+	"sync"
+
+	"github.com/didi/nightingale/v4/src/models"
+)
+
+type TreeNodeMap struct {
+	sync.RWMutex
+	Data map[int64]*models.Node
+}
+
+var TreeNodeCache *TreeNodeMap
+
+func NewTreeNodeCache() *TreeNodeMap {
+	return &TreeNodeMap{Data: make(map[int64]*models.Node)}
+}
+
+func (t *TreeNodeMap) GetBy(id int64) *models.Node {
+	t.RLock()
+	defer t.RUnlock()
+
+	return t.Data[id]
+}
+
+func (t *TreeNodeMap) GetByIds(ids []int64) []*models.Node {
+	t.RLock()
+	defer t.RUnlock()
+	var objs []*models.Node
+	for _, id := range ids {
+		objs = append(objs, t.Data[id])
+	}
+
+	return objs
+}
+
+func (t *TreeNodeMap) SetAll(objs map[int64]*models.Node) {
+	t.Lock()
+	defer t.Unlock()
+
+	t.Data = objs
+	return
+}
diff --git a/src/modules/server/cron/init.go b/src/modules/server/cron/init.go
index 5f6371bf..b1ca35fb 100644
--- a/src/modules/server/cron/init.go
+++ b/src/modules/server/cron/init.go
@@ -11,6 +11,7 @@ func Init() {
 	go CleanStraLoop()
 	go SyncCollects()
 	go SyncUsers()
+	go SyncTeams()
 	go SyncTeamUsers()
 	go CleanCollectLoop()
 
diff --git a/src/modules/server/cron/monapi_team.go b/src/modules/server/cron/monapi_team.go
index f0e76745..04b2df78 100644
--- a/src/modules/server/cron/monapi_team.go
+++ b/src/modules/server/cron/monapi_team.go
@@ -8,31 +8,28 @@ import (
 	"github.com/toolkits/pkg/logger"
 )
 
-func SyncTeamUsers() {
+func SyncTeams() {
 	t1 := time.NewTicker(time.Duration(cache.CHECK_INTERVAL) * time.Second)
 
-	syncTeamUsers()
+	syncTeam()
 	logger.Info("[cron] sync team start...")
 	for {
 		<-t1.C
-		syncTeamUsers()
+		syncTeam()
 	}
 }
 
-func syncTeamUsers() {
-	teamUsers, err := models.TeamUsers()
-
+func syncTeam() {
+	teams, err := models.AllTeams()
 	if err != nil {
-		logger.Warningf("get Teams err:%v %v", err)
+		logger.Warningf("get teams err:%v %v", err)
+		return
 	}
 
-	teamUsersMap := make(map[int64][]int64)
-	for _, teamUser := range teamUsers {
-		if _, exists := teamUsersMap[teamUser.TeamId]; exists {
-			teamUsersMap[teamUser.TeamId] = append(teamUsersMap[teamUser.TeamId], teamUser.UserId)
-		} else {
-			teamUsersMap[teamUser.TeamId] = []int64{teamUser.UserId}
-		}
+	teamsMap := make(map[int64]*models.Team)
+	for _, team := range teams {
+		teamsMap[team.Id] = &team
 	}
-	cache.TeamUsersCache.SetAll(teamUsersMap)
+
+	cache.TeamCache.SetAll(teamsMap)
 }
diff --git a/src/modules/server/cron/monapi_team_user.go b/src/modules/server/cron/monapi_team_user.go
new file mode 100644
index 00000000..f0e76745
--- /dev/null
+++ b/src/modules/server/cron/monapi_team_user.go
@@ -0,0 +1,38 @@
+package cron
+
+import (
+	"time"
+
+	"github.com/didi/nightingale/v4/src/models"
+	"github.com/didi/nightingale/v4/src/modules/server/cache"
+	"github.com/toolkits/pkg/logger"
+)
+
+func SyncTeamUsers() {
+	t1 := time.NewTicker(time.Duration(cache.CHECK_INTERVAL) * time.Second)
+
+	syncTeamUsers()
+	logger.Info("[cron] sync team start...")
+	for {
+		<-t1.C
+		syncTeamUsers()
+	}
+}
+
+func syncTeamUsers() {
+	teamUsers, err := models.TeamUsers()
+
+	if err != nil {
+		logger.Warningf("get Teams err:%v %v", err)
+	}
+
+	teamUsersMap := make(map[int64][]int64)
+	for _, teamUser := range teamUsers {
+		if _, exists := teamUsersMap[teamUser.TeamId]; exists {
+			teamUsersMap[teamUser.TeamId] = append(teamUsersMap[teamUser.TeamId], teamUser.UserId)
+		} else {
+			teamUsersMap[teamUser.TeamId] = []int64{teamUser.UserId}
+		}
+	}
+	cache.TeamUsersCache.SetAll(teamUsersMap)
+}
diff --git a/src/modules/server/cron/monapi_user.go b/src/modules/server/cron/monapi_user.go
index a65ad870..aadd7517 100644
--- a/src/modules/server/cron/monapi_user.go
+++ b/src/modules/server/cron/monapi_user.go
@@ -21,9 +21,9 @@ func SyncUsers() {
 
 func syncUsers() {
 	users, err := models.AllUsers()
-
 	if err != nil {
 		logger.Warningf("get users err:%v %v", err)
+		return
 	}
 
 	usersMap := make(map[int64]*models.User)
diff --git a/src/modules/server/http/router_event.go b/src/modules/server/http/router_event.go
index a26aa827..0068604d 100644
--- a/src/modules/server/http/router_event.go
+++ b/src/modules/server/http/router_event.go
@@ -7,6 +7,7 @@ import (
 	"time"
 
 	"github.com/didi/nightingale/v4/src/models"
+	"github.com/didi/nightingale/v4/src/modules/server/cache"
 
 	"github.com/gin-gonic/gin"
 	"github.com/toolkits/pkg/errors"
@@ -84,14 +85,11 @@ func eventCurGets(c *gin.Context) {
 
 	datList := []eventData{}
 	for i := 0; i < len(events); i++ {
-		users, err := models.GetUsersNameByIds(events[i].Users)
-		errors.Dangerous(err)
+		users := cache.UserCache.GetUsernamesByIds(events[i].Users)
 
-		groups, err := models.GetTeamsNameByIds(events[i].Groups)
-		errors.Dangerous(err)
+		groups := cache.TeamCache.GetTeamNamesByIds(events[i].Groups)
 
-		claimants, err := models.GetUsersNameByIds(events[i].Claimants)
-		errors.Dangerous(err)
+		claimants := cache.UserCache.GetUsernamesByIds(events[i].Claimants)
 
 		var detail []models.EventDetail
 		err = json.Unmarshal([]byte(events[i].Detail), &detail)
@@ -110,11 +108,9 @@ func eventCurGets(c *gin.Context) {
 		alertUpgrade, err := models.EventAlertUpgradeUnMarshal(events[i].AlertUpgrade)
 		errors.Dangerous(err)
 
-		alertUsers, err := models.GetUsersNameByIds(alertUpgrade.Users)
-		errors.Dangerous(err)
+		alertUsers := cache.UserCache.GetUsernamesByIds(alertUpgrade.Users)
 
-		alertGroups, err := models.GetTeamsNameByIds(alertUpgrade.Groups)
-		errors.Dangerous(err)
+		alertGroups := cache.TeamCache.GetTeamNamesByIds(alertUpgrade.Groups)
 
 		dat := eventData{
 			Id:          events[i].Id,
@@ -195,11 +191,9 @@ func eventHisGets(c *gin.Context) {
 
 	datList := []eventData{}
 	for i := 0; i < len(events); i++ {
-		users, err := models.GetUsersNameByIds(events[i].Users)
-		errors.Dangerous(err)
+		users := cache.UserCache.GetUsernamesByIds(events[i].Users)
 
-		groups, err := models.GetTeamsNameByIds(events[i].Groups)
-		errors.Dangerous(err)
+		groups := cache.TeamCache.GetTeamNamesByIds(events[i].Groups)
 
 		var detail []models.EventDetail
 		err = json.Unmarshal([]byte(events[i].Detail), &detail)
@@ -218,11 +212,9 @@ func eventHisGets(c *gin.Context) {
 		alertUpgrade, err := models.EventAlertUpgradeUnMarshal(events[i].AlertUpgrade)
 		errors.Dangerous(err)
 
-		alertUsers, err := models.GetUsersNameByIds(alertUpgrade.Users)
-		errors.Dangerous(err)
+		alertUsers := cache.UserCache.GetUsernamesByIds(alertUpgrade.Users)
 
-		alertGroups, err := models.GetTeamsNameByIds(alertUpgrade.Groups)
-		errors.Dangerous(err)
+		alertGroups := cache.TeamCache.GetTeamNamesByIds(alertUpgrade.Groups)
 
 		dat := eventData{
 			Id:          events[i].Id,
@@ -274,14 +266,12 @@ func eventHisGetById(c *gin.Context) {
 
 	event := mustEvent(urlParamInt64(c, "id"))
 
-	users, err := models.GetUsersNameByIds(event.Users)
-	errors.Dangerous(err)
+	users := cache.UserCache.GetUsernamesByIds(event.Users)
 
-	groups, err := models.GetTeamsNameByIds(event.Groups)
-	errors.Dangerous(err)
+	groups := cache.TeamCache.GetTeamNamesByIds(event.Groups)
 
 	var detail []models.EventDetail
-	err = json.Unmarshal([]byte(event.Detail), &detail)
+	err := json.Unmarshal([]byte(event.Detail), &detail)
 	errors.Dangerous(err)
 
 	tagsList := []string{}
@@ -294,11 +284,9 @@ func eventHisGetById(c *gin.Context) {
 	alertUpgrade, err := models.EventAlertUpgradeUnMarshal(event.AlertUpgrade)
 	errors.Dangerous(err)
 
-	alertUsers, err := models.GetUsersNameByIds(alertUpgrade.Users)
-	errors.Dangerous(err)
+	alertUsers := cache.UserCache.GetUsernamesByIds(alertUpgrade.Users)
 
-	alertGroups, err := models.GetTeamsNameByIds(alertUpgrade.Groups)
-	errors.Dangerous(err)
+	alertGroups := cache.TeamCache.GetTeamNamesByIds(alertUpgrade.Groups)
 
 	dat := eventData{
 		Id:          event.Id,
@@ -339,17 +327,14 @@ func eventCurGetById(c *gin.Context) {
 
 	eventCur := mustEventCur(urlParamInt64(c, "id"))
 
-	users, err := models.GetUsersNameByIds(eventCur.Users)
-	errors.Dangerous(err)
+	users := cache.UserCache.GetUsernamesByIds(eventCur.Users)
 
-	groups, err := models.GetTeamsNameByIds(eventCur.Groups)
-	errors.Dangerous(err)
+	groups := cache.TeamCache.GetTeamNamesByIds(eventCur.Groups)
 
-	claimants, err := models.GetUsersNameByIds(eventCur.Claimants)
-	errors.Dangerous(err)
+	claimants := cache.UserCache.GetUsernamesByIds(eventCur.Claimants)
 
 	var detail []models.EventDetail
-	err = json.Unmarshal([]byte(eventCur.Detail), &detail)
+	err := json.Unmarshal([]byte(eventCur.Detail), &detail)
 	errors.Dangerous(err)
 
 	tagsList := []string{}
@@ -362,10 +347,9 @@ func eventCurGetById(c *gin.Context) {
 	alertUpgrade, err := models.EventAlertUpgradeUnMarshal(eventCur.AlertUpgrade)
 	errors.Dangerous(err)
 
-	alertUsers, err := models.GetUsersNameByIds(alertUpgrade.Users)
-	errors.Dangerous(err)
+	alertUsers := cache.UserCache.GetUsernamesByIds(alertUpgrade.Users)
 
-	alertGroups, err := models.GetTeamsNameByIds(alertUpgrade.Groups)
+	alertGroups := cache.TeamCache.GetTeamNamesByIds(alertUpgrade.Groups)
 
 	dat := eventData{
 		Id:          eventCur.Id,