diff --git a/cmd/main.go b/cmd/main.go
index fc61816e1..a8daa4acd 100644
--- a/cmd/main.go
+++ b/cmd/main.go
@@ -8,14 +8,12 @@ import (
 	"fmt"
 	"net"
 	"os"
-	"os/signal"
 	"path"
 	"path/filepath"
 	"reflect"
 	"runtime"
 	"strings"
 	"sync"
-	"syscall"
 	"time"
 
 	"github.com/mitchellh/mapstructure"
@@ -210,6 +208,11 @@ func (x *cmds) run(ctx context.Context) error {
 
 	ctx, cancel := context.WithCancelCause(ctx)
 
+	go func() {
+		<-ctx.Done()
+		log.ZError(ctx, "context server exit cause", context.Cause(ctx))
+	}()
+
 	if prometheus := x.config.API.Prometheus; prometheus.Enable {
 		var (
 			port int
@@ -247,16 +250,16 @@ func (x *cmds) run(ctx context.Context) error {
 		}()
 	}
 
-	go func() {
-		sigs := make(chan os.Signal, 1)
-		signal.Notify(sigs, syscall.SIGTERM, syscall.SIGINT, syscall.SIGKILL)
-		select {
-		case <-ctx.Done():
-			return
-		case val := <-sigs:
-			cancel(fmt.Errorf("signal %s", val.String()))
-		}
-	}()
+	//go func() {
+	//	sigs := make(chan os.Signal, 1)
+	//	signal.Notify(sigs, syscall.SIGTERM, syscall.SIGINT, syscall.SIGKILL)
+	//	select {
+	//	case <-ctx.Done():
+	//		return
+	//	case val := <-sigs:
+	//		cancel(fmt.Errorf("signal %s", val.String()))
+	//	}
+	//}()
 
 	for i := range x.cmds {
 		cmd := x.cmds[i]
diff --git a/internal/api/init.go b/internal/api/init.go
index 69ade8aaf..4a1404ffc 100644
--- a/internal/api/init.go
+++ b/internal/api/init.go
@@ -17,15 +17,14 @@ package api
 import (
 	"context"
 	"errors"
+	"fmt"
 	"net"
 	"net/http"
 	"strconv"
 	"time"
 
 	conf "github.com/openimsdk/open-im-server/v3/pkg/common/config"
-	disetcd "github.com/openimsdk/open-im-server/v3/pkg/common/discovery/etcd"
 	"github.com/openimsdk/tools/discovery"
-	"github.com/openimsdk/tools/discovery/etcd"
 	"github.com/openimsdk/tools/log"
 	"github.com/openimsdk/tools/utils/datautil"
 	"github.com/openimsdk/tools/utils/network"
@@ -51,7 +50,7 @@ func Start(ctx context.Context, config *Config, client discovery.Conn, service g
 		return err
 	}
 
-	ctx, cancel := context.WithCancelCause(ctx)
+	apiCtx, apiCancel := context.WithCancelCause(context.Background())
 	done := make(chan struct{})
 	go func() {
 		httpServer := &http.Server{
@@ -60,7 +59,11 @@ func Start(ctx context.Context, config *Config, client discovery.Conn, service g
 		}
 		go func() {
 			defer close(done)
-			<-ctx.Done()
+			select {
+			case <-ctx.Done():
+				apiCancel(fmt.Errorf("recv ctx %w", context.Cause(ctx)))
+			case <-apiCtx.Done():
+			}
 			log.ZDebug(ctx, "api server is shutting down")
 			if err := httpServer.Shutdown(context.Background()); err != nil {
 				log.ZWarn(ctx, "api server shutdown err", err)
@@ -71,13 +74,13 @@ func Start(ctx context.Context, config *Config, client discovery.Conn, service g
 		if err == nil {
 			err = errors.New("api done")
 		}
-		cancel(err)
+		apiCancel(err)
 	}()
 
-	if config.Discovery.Enable == conf.ETCD {
-		cm := disetcd.NewConfigManager(client.(*etcd.SvcDiscoveryRegistryImpl).GetClient(), config.GetConfigNames())
-		cm.Watch(ctx)
-	}
+	//if config.Discovery.Enable == conf.ETCD {
+	//	cm := disetcd.NewConfigManager(client.(*etcd.SvcDiscoveryRegistryImpl).GetClient(), config.GetConfigNames())
+	//	cm.Watch(ctx)
+	//}
 	//sigs := make(chan os.Signal, 1)
 	//signal.Notify(sigs, syscall.SIGTERM)
 	//select {
@@ -86,6 +89,7 @@ func Start(ctx context.Context, config *Config, client discovery.Conn, service g
 	//	cancel(fmt.Errorf("signal %s", val.String()))
 	//case <-ctx.Done():
 	//}
+	<-apiCtx.Done()
 	exitCause := context.Cause(ctx)
 	log.ZWarn(ctx, "api server exit", exitCause)
 	timer := time.NewTimer(time.Second * 15)
diff --git a/internal/msgtransfer/init.go b/internal/msgtransfer/init.go
index d6c8a0797..e02940853 100644
--- a/internal/msgtransfer/init.go
+++ b/internal/msgtransfer/init.go
@@ -21,6 +21,8 @@ import (
 	"syscall"
 
 	disetcd "github.com/openimsdk/open-im-server/v3/pkg/common/discovery/etcd"
+	"github.com/openimsdk/open-im-server/v3/pkg/common/storage/cache"
+	"github.com/openimsdk/open-im-server/v3/pkg/common/storage/cache/mcache"
 	"github.com/openimsdk/open-im-server/v3/pkg/common/storage/cache/redis"
 	"github.com/openimsdk/open-im-server/v3/pkg/common/storage/database/mgo"
 	"github.com/openimsdk/open-im-server/v3/pkg/dbbuild"
@@ -101,7 +103,16 @@ func Start(ctx context.Context, config *Config, client discovery.Conn, server gr
 	if err != nil {
 		return err
 	}
-	msgModel := redis.NewMsgCache(rdb, msgDocModel)
+	var msgModel cache.MsgCache
+	if rdb == nil {
+		cm, err := mgo.NewCacheMgo(mgocli.GetDB())
+		if err != nil {
+			return err
+		}
+		msgModel = mcache.NewMsgCache(cm, msgDocModel)
+	} else {
+		msgModel = redis.NewMsgCache(rdb, msgDocModel)
+	}
 	seqConversation, err := mgo.NewSeqConversationMongo(mgocli.GetDB())
 	if err != nil {
 		return err
diff --git a/internal/rpc/msg/server.go b/internal/rpc/msg/server.go
index d0b228156..7737f7e7f 100644
--- a/internal/rpc/msg/server.go
+++ b/internal/rpc/msg/server.go
@@ -17,6 +17,8 @@ package msg
 import (
 	"context"
 
+	"github.com/openimsdk/open-im-server/v3/pkg/common/storage/cache"
+	"github.com/openimsdk/open-im-server/v3/pkg/common/storage/cache/mcache"
 	"github.com/openimsdk/open-im-server/v3/pkg/dbbuild"
 	"github.com/openimsdk/open-im-server/v3/pkg/mqbuild"
 	"github.com/openimsdk/open-im-server/v3/pkg/rpcli"
@@ -95,7 +97,16 @@ func Start(ctx context.Context, config *Config, client discovery.Conn, server gr
 	if err != nil {
 		return err
 	}
-	msgModel := redis.NewMsgCache(rdb, msgDocModel)
+	var msgModel cache.MsgCache
+	if rdb == nil {
+		cm, err := mgo.NewCacheMgo(mgocli.GetDB())
+		if err != nil {
+			return err
+		}
+		msgModel = mcache.NewMsgCache(cm, msgDocModel)
+	} else {
+		msgModel = redis.NewMsgCache(rdb, msgDocModel)
+	}
 	seqConversation, err := mgo.NewSeqConversationMongo(mgocli.GetDB())
 	if err != nil {
 		return err
diff --git a/pkg/common/storage/cache/mcache/minio.go b/pkg/common/storage/cache/mcache/minio.go
index ecee54aa5..f07203cc2 100644
--- a/pkg/common/storage/cache/mcache/minio.go
+++ b/pkg/common/storage/cache/mcache/minio.go
@@ -2,12 +2,10 @@ package mcache
 
 import (
 	"context"
-	"encoding/json"
 	"time"
 
 	"github.com/openimsdk/open-im-server/v3/pkg/common/storage/cache/cachekey"
 	"github.com/openimsdk/open-im-server/v3/pkg/common/storage/database"
-	"github.com/openimsdk/tools/log"
 	"github.com/openimsdk/tools/s3/minio"
 )
 
@@ -50,56 +48,3 @@ func (g *minioCache) GetImageObjectKeyInfo(ctx context.Context, key string, fn f
 func (g *minioCache) GetThumbnailKey(ctx context.Context, key string, format string, width int, height int, minioCache func(ctx context.Context) (string, error)) (string, error) {
 	return getCache[string](ctx, g.cache, g.getMinioImageThumbnailKey(key, format, width, height), g.expireTime, minioCache)
 }
-
-func getCache[V any](ctx context.Context, cache database.Cache, key string, expireTime time.Duration, fn func(ctx context.Context) (V, error)) (V, error) {
-	getDB := func() (V, bool, error) {
-		res, err := cache.Get(ctx, []string{key})
-		if err != nil {
-			var val V
-			return val, false, err
-		}
-		var val V
-		if str, ok := res[key]; ok {
-			if json.Unmarshal([]byte(str), &val) != nil {
-				return val, false, err
-			}
-			return val, true, nil
-		}
-		return val, false, nil
-	}
-	dbVal, ok, err := getDB()
-	if err != nil {
-		return dbVal, err
-	}
-	if ok {
-		return dbVal, nil
-	}
-	lockValue, err := cache.Lock(ctx, key, time.Minute)
-	if err != nil {
-		return dbVal, err
-	}
-	defer func() {
-		if err := cache.Unlock(ctx, key, lockValue); err != nil {
-			log.ZError(ctx, "unlock cache key", err, "key", key, "value", lockValue)
-		}
-	}()
-	dbVal, ok, err = getDB()
-	if err != nil {
-		return dbVal, err
-	}
-	if ok {
-		return dbVal, nil
-	}
-	val, err := fn(ctx)
-	if err != nil {
-		return val, err
-	}
-	data, err := json.Marshal(val)
-	if err != nil {
-		return val, err
-	}
-	if err := cache.Set(ctx, key, string(data), expireTime); err != nil {
-		return val, err
-	}
-	return val, nil
-}
diff --git a/pkg/common/storage/cache/mcache/msg_cache.go b/pkg/common/storage/cache/mcache/msg_cache.go
new file mode 100644
index 000000000..3846be3f8
--- /dev/null
+++ b/pkg/common/storage/cache/mcache/msg_cache.go
@@ -0,0 +1,132 @@
+package mcache
+
+import (
+	"context"
+	"strconv"
+	"sync"
+	"time"
+
+	"github.com/openimsdk/open-im-server/v3/pkg/common/storage/cache"
+	"github.com/openimsdk/open-im-server/v3/pkg/common/storage/cache/cachekey"
+	"github.com/openimsdk/open-im-server/v3/pkg/common/storage/database"
+	"github.com/openimsdk/open-im-server/v3/pkg/common/storage/model"
+	"github.com/openimsdk/open-im-server/v3/pkg/localcache"
+	"github.com/openimsdk/open-im-server/v3/pkg/localcache/lru"
+	"github.com/openimsdk/tools/errs"
+	"github.com/openimsdk/tools/utils/datautil"
+	"github.com/redis/go-redis/v9"
+)
+
+var (
+	memMsgCache     lru.LRU[string, *model.MsgInfoModel]
+	initMemMsgCache sync.Once
+)
+
+func NewMsgCache(cache database.Cache, msgDocDatabase database.Msg) cache.MsgCache {
+	initMemMsgCache.Do(func() {
+		memMsgCache = lru.NewLayLRU[string, *model.MsgInfoModel](1024*8, time.Hour, time.Second*10, localcache.EmptyTarget{}, nil)
+	})
+	return &msgCache{
+		cache:          cache,
+		msgDocDatabase: msgDocDatabase,
+		memMsgCache:    memMsgCache,
+	}
+}
+
+type msgCache struct {
+	cache          database.Cache
+	msgDocDatabase database.Msg
+	memMsgCache    lru.LRU[string, *model.MsgInfoModel]
+}
+
+func (x *msgCache) getSendMsgKey(id string) string {
+	return cachekey.GetSendMsgKey(id)
+}
+
+func (x *msgCache) SetSendMsgStatus(ctx context.Context, id string, status int32) error {
+	return x.cache.Set(ctx, x.getSendMsgKey(id), strconv.Itoa(int(status)), time.Hour*24)
+}
+
+func (x *msgCache) GetSendMsgStatus(ctx context.Context, id string) (int32, error) {
+	key := x.getSendMsgKey(id)
+	res, err := x.cache.Get(ctx, []string{key})
+	if err != nil {
+		return 0, err
+	}
+	val, ok := res[key]
+	if !ok {
+		return 0, errs.Wrap(redis.Nil)
+	}
+	status, err := strconv.Atoi(val)
+	if err != nil {
+		return 0, errs.WrapMsg(err, "GetSendMsgStatus strconv.Atoi error", "val", val)
+	}
+	return int32(status), nil
+}
+
+func (x *msgCache) getMsgCacheKey(conversationID string, seq int64) string {
+	return cachekey.GetMsgCacheKey(conversationID, seq)
+
+}
+
+func (x *msgCache) GetMessageBySeqs(ctx context.Context, conversationID string, seqs []int64) ([]*model.MsgInfoModel, error) {
+	if len(seqs) == 0 {
+		return nil, nil
+	}
+	keys := make([]string, 0, len(seqs))
+	keySeq := make(map[string]int64, len(seqs))
+	for _, seq := range seqs {
+		key := x.getMsgCacheKey(conversationID, seq)
+		keys = append(keys, key)
+		keySeq[key] = seq
+	}
+	res, err := x.memMsgCache.GetBatch(keys, func(keys []string) (map[string]*model.MsgInfoModel, error) {
+		findSeqs := make([]int64, 0, len(keys))
+		for _, key := range keys {
+			seq, ok := keySeq[key]
+			if !ok {
+				continue
+			}
+			findSeqs = append(findSeqs, seq)
+		}
+		res, err := x.msgDocDatabase.FindSeqs(ctx, conversationID, seqs)
+		if err != nil {
+			return nil, err
+		}
+		kv := make(map[string]*model.MsgInfoModel)
+		for i := range res {
+			msg := res[i]
+			if msg == nil || msg.Msg == nil || msg.Msg.Seq <= 0 {
+				continue
+			}
+			key := x.getMsgCacheKey(conversationID, msg.Msg.Seq)
+			kv[key] = msg
+		}
+		return kv, nil
+	})
+	if err != nil {
+		return nil, err
+	}
+	return datautil.Values(res), nil
+}
+
+func (x msgCache) DelMessageBySeqs(ctx context.Context, conversationID string, seqs []int64) error {
+	if len(seqs) == 0 {
+		return nil
+	}
+	for _, seq := range seqs {
+		x.memMsgCache.Del(x.getMsgCacheKey(conversationID, seq))
+	}
+	return nil
+}
+
+func (x *msgCache) SetMessageBySeqs(ctx context.Context, conversationID string, msgs []*model.MsgInfoModel) error {
+	for i := range msgs {
+		msg := msgs[i]
+		if msg == nil || msg.Msg == nil || msg.Msg.Seq <= 0 {
+			continue
+		}
+		x.memMsgCache.Set(x.getMsgCacheKey(conversationID, msg.Msg.Seq), msg)
+	}
+	return nil
+}
diff --git a/pkg/common/storage/cache/mcache/seq_conversation.go b/pkg/common/storage/cache/mcache/seq_conversation.go
new file mode 100644
index 000000000..27f00de15
--- /dev/null
+++ b/pkg/common/storage/cache/mcache/seq_conversation.go
@@ -0,0 +1,79 @@
+package mcache
+
+import (
+	"context"
+
+	"github.com/openimsdk/open-im-server/v3/pkg/common/storage/cache"
+	"github.com/openimsdk/open-im-server/v3/pkg/common/storage/database"
+)
+
+func NewSeqConversationCache(sc database.SeqConversation) cache.SeqConversationCache {
+	return &seqConversationCache{
+		sc: sc,
+	}
+}
+
+type seqConversationCache struct {
+	sc database.SeqConversation
+}
+
+func (x *seqConversationCache) Malloc(ctx context.Context, conversationID string, size int64) (int64, error) {
+	return x.sc.Malloc(ctx, conversationID, size)
+}
+
+func (x *seqConversationCache) SetMinSeq(ctx context.Context, conversationID string, seq int64) error {
+	return x.sc.SetMinSeq(ctx, conversationID, seq)
+}
+
+func (x *seqConversationCache) GetMinSeq(ctx context.Context, conversationID string) (int64, error) {
+	return x.sc.GetMinSeq(ctx, conversationID)
+}
+
+func (x *seqConversationCache) GetMaxSeqs(ctx context.Context, conversationIDs []string) (map[string]int64, error) {
+	res := make(map[string]int64)
+	for _, conversationID := range conversationIDs {
+		seq, err := x.GetMinSeq(ctx, conversationID)
+		if err != nil {
+			return nil, err
+		}
+		res[conversationID] = seq
+	}
+	return res, nil
+}
+
+func (x *seqConversationCache) GetMaxSeqsWithTime(ctx context.Context, conversationIDs []string) (map[string]database.SeqTime, error) {
+	res := make(map[string]database.SeqTime)
+	for _, conversationID := range conversationIDs {
+		seq, err := x.GetMinSeq(ctx, conversationID)
+		if err != nil {
+			return nil, err
+		}
+		res[conversationID] = database.SeqTime{Seq: seq}
+	}
+	return res, nil
+}
+
+func (x *seqConversationCache) GetMaxSeq(ctx context.Context, conversationID string) (int64, error) {
+	return x.sc.GetMaxSeq(ctx, conversationID)
+}
+
+func (x *seqConversationCache) GetMaxSeqWithTime(ctx context.Context, conversationID string) (database.SeqTime, error) {
+	seq, err := x.GetMinSeq(ctx, conversationID)
+	if err != nil {
+		return database.SeqTime{}, err
+	}
+	return database.SeqTime{Seq: seq}, nil
+}
+
+func (x *seqConversationCache) SetMinSeqs(ctx context.Context, seqs map[string]int64) error {
+	for conversationID, seq := range seqs {
+		if err := x.sc.SetMinSeq(ctx, conversationID, seq); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func (x *seqConversationCache) GetCacheMaxSeqWithTime(ctx context.Context, conversationIDs []string) (map[string]database.SeqTime, error) {
+	return x.GetMaxSeqsWithTime(ctx, conversationIDs)
+}
diff --git a/pkg/common/storage/cache/mcache/tools.go b/pkg/common/storage/cache/mcache/tools.go
new file mode 100644
index 000000000..f3c4265cd
--- /dev/null
+++ b/pkg/common/storage/cache/mcache/tools.go
@@ -0,0 +1,63 @@
+package mcache
+
+import (
+	"context"
+	"encoding/json"
+	"time"
+
+	"github.com/openimsdk/open-im-server/v3/pkg/common/storage/database"
+	"github.com/openimsdk/tools/log"
+)
+
+func getCache[V any](ctx context.Context, cache database.Cache, key string, expireTime time.Duration, fn func(ctx context.Context) (V, error)) (V, error) {
+	getDB := func() (V, bool, error) {
+		res, err := cache.Get(ctx, []string{key})
+		if err != nil {
+			var val V
+			return val, false, err
+		}
+		var val V
+		if str, ok := res[key]; ok {
+			if json.Unmarshal([]byte(str), &val) != nil {
+				return val, false, err
+			}
+			return val, true, nil
+		}
+		return val, false, nil
+	}
+	dbVal, ok, err := getDB()
+	if err != nil {
+		return dbVal, err
+	}
+	if ok {
+		return dbVal, nil
+	}
+	lockValue, err := cache.Lock(ctx, key, time.Minute)
+	if err != nil {
+		return dbVal, err
+	}
+	defer func() {
+		if err := cache.Unlock(ctx, key, lockValue); err != nil {
+			log.ZError(ctx, "unlock cache key", err, "key", key, "value", lockValue)
+		}
+	}()
+	dbVal, ok, err = getDB()
+	if err != nil {
+		return dbVal, err
+	}
+	if ok {
+		return dbVal, nil
+	}
+	val, err := fn(ctx)
+	if err != nil {
+		return val, err
+	}
+	data, err := json.Marshal(val)
+	if err != nil {
+		return val, err
+	}
+	if err := cache.Set(ctx, key, string(data), expireTime); err != nil {
+		return val, err
+	}
+	return val, nil
+}
diff --git a/pkg/common/storage/cache/redis/seq_conversation.go b/pkg/common/storage/cache/redis/seq_conversation.go
index 2ba69a7d6..604826598 100644
--- a/pkg/common/storage/cache/redis/seq_conversation.go
+++ b/pkg/common/storage/cache/redis/seq_conversation.go
@@ -9,6 +9,7 @@ import (
 
 	"github.com/openimsdk/open-im-server/v3/pkg/common/storage/cache"
 	"github.com/openimsdk/open-im-server/v3/pkg/common/storage/cache/cachekey"
+	"github.com/openimsdk/open-im-server/v3/pkg/common/storage/cache/mcache"
 	"github.com/openimsdk/open-im-server/v3/pkg/common/storage/database"
 	"github.com/openimsdk/open-im-server/v3/pkg/msgprocessor"
 	"github.com/openimsdk/tools/errs"
@@ -17,6 +18,9 @@ import (
 )
 
 func NewSeqConversationCacheRedis(rdb redis.UniversalClient, mgo database.SeqConversation) cache.SeqConversationCache {
+	if rdb == nil {
+		return mcache.NewSeqConversationCache(mgo)
+	}
 	return &seqConversationCacheRedis{
 		mgo:              mgo,
 		lockTime:         time.Second * 3,
diff --git a/pkg/common/storage/cache/redis/seq_user.go b/pkg/common/storage/cache/redis/seq_user.go
index ad289be07..af9cbef5a 100644
--- a/pkg/common/storage/cache/redis/seq_user.go
+++ b/pkg/common/storage/cache/redis/seq_user.go
@@ -72,6 +72,9 @@ func (s *seqUserCacheRedis) GetUserReadSeq(ctx context.Context, conversationID s
 }
 
 func (s *seqUserCacheRedis) SetUserReadSeq(ctx context.Context, conversationID string, userID string, seq int64) error {
+	if s.rocks.GetRedis() == nil {
+		return s.SetUserReadSeqToDB(ctx, conversationID, userID, seq)
+	}
 	dbSeq, err := s.GetUserReadSeq(ctx, conversationID, userID)
 	if err != nil {
 		return err