diff --git a/go.mod b/go.mod
index 71e4d07e09..54dd68d632 100644
--- a/go.mod
+++ b/go.mod
@@ -11,7 +11,7 @@ require (
 	github.com/gorilla/websocket v1.5.1
 	github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0
 	github.com/mitchellh/mapstructure v1.5.0
-	github.com/openimsdk/protocol v0.0.72-alpha.27
+	github.com/openimsdk/protocol v0.0.72-alpha.29
 	github.com/openimsdk/tools v0.0.50-alpha.12
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/prometheus/client_golang v1.18.0
diff --git a/go.sum b/go.sum
index 330e67adf9..aeab03055e 100644
--- a/go.sum
+++ b/go.sum
@@ -319,8 +319,8 @@ github.com/onsi/gomega v1.25.0 h1:Vw7br2PCDYijJHSfBOWhov+8cAnUf8MfMaIOV323l6Y=
 github.com/onsi/gomega v1.25.0/go.mod h1:r+zV744Re+DiYCIPRlYOTxn0YkOLcAnW8k1xXdMPGhM=
 github.com/openimsdk/gomake v0.0.14-alpha.5 h1:VY9c5x515lTfmdhhPjMvR3BBRrRquAUCFsz7t7vbv7Y=
 github.com/openimsdk/gomake v0.0.14-alpha.5/go.mod h1:PndCozNc2IsQIciyn9mvEblYWZwJmAI+06z94EY+csI=
-github.com/openimsdk/protocol v0.0.72-alpha.27 h1:S6n3uj7YhKjo2NCHHSnUijaJ9YYiy8TTMquc4EJOm50=
-github.com/openimsdk/protocol v0.0.72-alpha.27/go.mod h1:OZQA9FR55lseYoN2Ql1XAHYKHJGu7OMNkUbuekrKCM8=
+github.com/openimsdk/protocol v0.0.72-alpha.29 h1:z6Bm57IW/HNxTAJmqYjhVaLRUJLVIK0EH7G7HBzbwdc=
+github.com/openimsdk/protocol v0.0.72-alpha.29/go.mod h1:OZQA9FR55lseYoN2Ql1XAHYKHJGu7OMNkUbuekrKCM8=
 github.com/openimsdk/tools v0.0.50-alpha.12 h1:rV3BxgqN+F79vZvdoQ+97Eob8ScsRVEM8D+Wrcl23uo=
 github.com/openimsdk/tools v0.0.50-alpha.12/go.mod h1:h1cYmfyaVtgFbKmb1Cfsl8XwUOMTt8ubVUQrdGtsUh4=
 github.com/pelletier/go-toml/v2 v2.2.2 h1:aYUidT7k73Pcl9nb2gScu7NSrKCSHIDE89b3+6Wq+LM=
diff --git a/internal/api/conversation.go b/internal/api/conversation.go
index 8e1a46d478..8e3a3ca82d 100644
--- a/internal/api/conversation.go
+++ b/internal/api/conversation.go
@@ -66,3 +66,7 @@ func (o *ConversationApi) GetOwnerConversation(c *gin.Context) {
 func (o *ConversationApi) GetNotNotifyConversationIDs(c *gin.Context) {
 	a2r.Call(conversation.ConversationClient.GetNotNotifyConversationIDs, o.Client, c)
 }
+
+func (o *ConversationApi) GetPinnedConversationIDs(c *gin.Context) {
+	a2r.Call(conversation.ConversationClient.GetPinnedConversationIDs, o.Client, c)
+}
diff --git a/internal/api/router.go b/internal/api/router.go
index 6b0278864f..318c2a7755 100644
--- a/internal/api/router.go
+++ b/internal/api/router.go
@@ -233,6 +233,7 @@ func newGinRouter(disCov discovery.SvcDiscoveryRegistry, config *Config) *gin.En
 		conversationGroup.POST("/get_incremental_conversations", c.GetIncrementalConversation)
 		conversationGroup.POST("/get_owner_conversation", c.GetOwnerConversation)
 		conversationGroup.POST("/get_not_notify_conversation_ids", c.GetNotNotifyConversationIDs)
+		conversationGroup.POST("/get_pinned_conversation_ids", c.GetPinnedConversationIDs)
 	}
 
 	statisticsGroup := r.Group("/statistics")
diff --git a/internal/rpc/conversation/conversation.go b/internal/rpc/conversation/conversation.go
index 3098d57915..6f6ca1f674 100644
--- a/internal/rpc/conversation/conversation.go
+++ b/internal/rpc/conversation/conversation.go
@@ -718,3 +718,11 @@ func (c *conversationServer) GetNotNotifyConversationIDs(ctx context.Context, re
 	}
 	return &pbconversation.GetNotNotifyConversationIDsResp{ConversationIDs: conversationIDs}, nil
 }
+
+func (c *conversationServer) GetPinnedConversationIDs(ctx context.Context, req *pbconversation.GetPinnedConversationIDsReq) (*pbconversation.GetPinnedConversationIDsResp, error) {
+	conversationIDs, err := c.conversationDatabase.GetPinnedConversationIDs(ctx, req.UserID)
+	if err != nil {
+		return nil, err
+	}
+	return &pbconversation.GetPinnedConversationIDsResp{ConversationIDs: conversationIDs}, nil
+}
diff --git a/pkg/common/storage/cache/cachekey/conversation.go b/pkg/common/storage/cache/cachekey/conversation.go
index acc9d15cfd..909774288b 100644
--- a/pkg/common/storage/cache/cachekey/conversation.go
+++ b/pkg/common/storage/cache/cachekey/conversation.go
@@ -18,6 +18,7 @@ const (
 	ConversationKey                          = "CONVERSATION:"
 	ConversationIDsKey                       = "CONVERSATION_IDS:"
 	NotNotifyConversationIDsKey              = "NOT_NOTIFY_CONVERSATION_IDS:"
+	PinnedConversationIDsKey                 = "PINNED_CONVERSATION_IDS:"
 	ConversationIDsHashKey                   = "CONVERSATION_IDS_HASH:"
 	ConversationHasReadSeqKey                = "CONVERSATION_HAS_READ_SEQ:"
 	RecvMsgOptKey                            = "RECV_MSG_OPT:"
@@ -39,6 +40,10 @@ func GetNotNotifyConversationIDsKey(ownerUserID string) string {
 	return NotNotifyConversationIDsKey + ownerUserID
 }
 
+func GetPinnedConversationIDs(ownerUserID string) string {
+	return PinnedConversationIDsKey + ownerUserID
+}
+
 func GetSuperGroupRecvNotNotifyUserIDsKey(groupID string) string {
 	return SuperGroupRecvMsgNotNotifyUserIDsKey + groupID
 }
diff --git a/pkg/common/storage/cache/conversation.go b/pkg/common/storage/cache/conversation.go
index 8970db29c8..ac3011107c 100644
--- a/pkg/common/storage/cache/conversation.go
+++ b/pkg/common/storage/cache/conversation.go
@@ -26,6 +26,7 @@ type ConversationCache interface {
 	// get user's conversationIDs from msgCache
 	GetUserConversationIDs(ctx context.Context, ownerUserID string) ([]string, error)
 	GetUserNotNotifyConversationIDs(ctx context.Context, userID string) ([]string, error)
+	GetPinnedConversationIDs(ctx context.Context, userID string) ([]string, error)
 	DelConversationIDs(userIDs ...string) ConversationCache
 
 	GetUserConversationIDsHash(ctx context.Context, ownerUserID string) (hash uint64, err error)
@@ -56,6 +57,7 @@ type ConversationCache interface {
 	GetConversationNotReceiveMessageUserIDs(ctx context.Context, conversationID string) ([]string, error)
 	DelConversationNotReceiveMessageUserIDs(conversationIDs ...string) ConversationCache
 	DelConversationNotNotifyMessageUserIDs(userIDs ...string) ConversationCache
+	DelConversationPinnedMessageUserIDs(userIDs ...string) ConversationCache
 	DelConversationVersionUserIDs(userIDs ...string) ConversationCache
 
 	FindMaxConversationUserVersion(ctx context.Context, userID string) (*relationtb.VersionLog, error)
diff --git a/pkg/common/storage/cache/redis/conversation.go b/pkg/common/storage/cache/redis/conversation.go
index 40df1e57a1..326f60b96a 100644
--- a/pkg/common/storage/cache/redis/conversation.go
+++ b/pkg/common/storage/cache/redis/conversation.go
@@ -75,6 +75,10 @@ func (c *ConversationRedisCache) getNotNotifyConversationIDsKey(ownerUserID stri
 	return cachekey.GetNotNotifyConversationIDsKey(ownerUserID)
 }
 
+func (c *ConversationRedisCache) getPinnedConversationIDsKey(ownerUserID string) string {
+	return cachekey.GetPinnedConversationIDs(ownerUserID)
+}
+
 func (c *ConversationRedisCache) getSuperGroupRecvNotNotifyUserIDsKey(groupID string) string {
 	return cachekey.GetSuperGroupRecvNotNotifyUserIDsKey(groupID)
 }
@@ -115,6 +119,12 @@ func (c *ConversationRedisCache) GetUserNotNotifyConversationIDs(ctx context.Con
 	})
 }
 
+func (c *ConversationRedisCache) GetPinnedConversationIDs(ctx context.Context, userID string) ([]string, error) {
+	return getCache(ctx, c.rcClient, c.getPinnedConversationIDsKey(userID), c.expireTime, func(ctx context.Context) ([]string, error) {
+		return c.conversationDB.FindUserIDAllPinnedConversationID(ctx, userID)
+	})
+}
+
 func (c *ConversationRedisCache) DelConversationIDs(userIDs ...string) cache.ConversationCache {
 	keys := make([]string, 0, len(userIDs))
 	for _, userID := range userIDs {
@@ -260,6 +270,14 @@ func (c *ConversationRedisCache) DelConversationNotNotifyMessageUserIDs(userIDs
 	return cache
 }
 
+func (c *ConversationRedisCache) DelConversationPinnedMessageUserIDs(userIDs ...string) cache.ConversationCache {
+	cache := c.CloneConversationCache()
+	for _, userID := range userIDs {
+		cache.AddKeys(c.getPinnedConversationIDsKey(userID))
+	}
+	return cache
+}
+
 func (c *ConversationRedisCache) DelConversationVersionUserIDs(userIDs ...string) cache.ConversationCache {
 	cache := c.CloneConversationCache()
 	for _, userID := range userIDs {
diff --git a/pkg/common/storage/controller/conversation.go b/pkg/common/storage/controller/conversation.go
index 46ac9a1f9c..06a0733658 100644
--- a/pkg/common/storage/controller/conversation.go
+++ b/pkg/common/storage/controller/conversation.go
@@ -71,6 +71,8 @@ type ConversationDatabase interface {
 	GetOwnerConversation(ctx context.Context, ownerUserID string, pagination pagination.Pagination) (int64, []*relationtb.Conversation, error)
 	// GetNotNotifyConversationIDs gets not notify conversationIDs by userID
 	GetNotNotifyConversationIDs(ctx context.Context, userID string) ([]string, error)
+	// GetPinnedConversationIDs gets pinned conversationIDs by userID
+	GetPinnedConversationIDs(ctx context.Context, userID string) ([]string, error)
 }
 
 func NewConversationDatabase(conversation database.Conversation, cache cache.ConversationCache, tx tx.Tx) ConversationDatabase {
@@ -112,6 +114,9 @@ func (c *conversationDatabase) SetUsersConversationFieldTx(ctx context.Context,
 				cache = cache.DelConversationNotReceiveMessageUserIDs(conversation.ConversationID)
 				cache = cache.DelConversationNotNotifyMessageUserIDs(userIDs...)
 			}
+			if _, ok := fieldMap["is_pinned"]; ok {
+				cache = cache.DelConversationPinnedMessageUserIDs(userIDs...)
+			}
 			cache = cache.DelConversationVersionUserIDs(haveUserIDs...)
 		}
 		NotUserIDs := stringutil.DifferenceString(haveUserIDs, userIDs)
@@ -149,6 +154,9 @@ func (c *conversationDatabase) UpdateUsersConversationField(ctx context.Context,
 		cache = cache.DelConversationNotReceiveMessageUserIDs(conversationID)
 		cache = cache.DelConversationNotNotifyMessageUserIDs(userIDs...)
 	}
+	if _, ok := args["is_pinned"]; ok {
+		cache = cache.DelConversationPinnedMessageUserIDs(userIDs...)
+	}
 	return cache.ChainExecDel(ctx)
 }
 
@@ -159,6 +167,7 @@ func (c *conversationDatabase) CreateConversation(ctx context.Context, conversat
 	var (
 		userIDs          []string
 		notNotifyUserIDs []string
+		pinnedUserIDs    []string
 	)
 
 	cache := c.cache.CloneConversationCache()
@@ -169,9 +178,16 @@ func (c *conversationDatabase) CreateConversation(ctx context.Context, conversat
 		if conversation.RecvMsgOpt == constant.ReceiveNotNotifyMessage {
 			notNotifyUserIDs = append(notNotifyUserIDs, conversation.OwnerUserID)
 		}
+		if conversation.IsPinned == true {
+			pinnedUserIDs = append(pinnedUserIDs, conversation.OwnerUserID)
+		}
 	}
-	return cache.DelConversationIDs(userIDs...).DelUserConversationIDsHash(userIDs...).DelConversationVersionUserIDs(userIDs...).
-		DelConversationNotNotifyMessageUserIDs(notNotifyUserIDs...).ChainExecDel(ctx)
+	return cache.DelConversationIDs(userIDs...).
+		DelUserConversationIDsHash(userIDs...).
+		DelConversationVersionUserIDs(userIDs...).
+		DelConversationNotNotifyMessageUserIDs(notNotifyUserIDs...).
+		DelConversationPinnedMessageUserIDs(pinnedUserIDs...).
+		ChainExecDel(ctx)
 }
 
 func (c *conversationDatabase) SyncPeerUserPrivateConversationTx(ctx context.Context, conversations []*relationtb.Conversation) error {
@@ -224,7 +240,9 @@ func (c *conversationDatabase) GetUserAllConversation(ctx context.Context, owner
 func (c *conversationDatabase) SetUserConversations(ctx context.Context, ownerUserID string, conversations []*relationtb.Conversation) error {
 	return c.tx.Transaction(ctx, func(ctx context.Context) error {
 		cache := c.cache.CloneConversationCache()
-		cache = cache.DelConversationVersionUserIDs(ownerUserID).DelConversationNotNotifyMessageUserIDs(ownerUserID)
+		cache = cache.DelConversationVersionUserIDs(ownerUserID).
+			DelConversationNotNotifyMessageUserIDs(ownerUserID).
+			DelConversationPinnedMessageUserIDs(ownerUserID)
 
 		groupIDs := datautil.Distinct(datautil.Filter(conversations, func(e *relationtb.Conversation) (string, bool) {
 			return e.GroupID, e.GroupID != ""
@@ -374,3 +392,11 @@ func (c *conversationDatabase) GetNotNotifyConversationIDs(ctx context.Context,
 	}
 	return conversationIDs, nil
 }
+
+func (c *conversationDatabase) GetPinnedConversationIDs(ctx context.Context, userID string) ([]string, error) {
+	conversationIDs, err := c.cache.GetPinnedConversationIDs(ctx, userID)
+	if err != nil {
+		return nil, err
+	}
+	return conversationIDs, nil
+}
diff --git a/pkg/common/storage/database/conversation.go b/pkg/common/storage/database/conversation.go
index 2c20f73bcd..5a9b19035d 100644
--- a/pkg/common/storage/database/conversation.go
+++ b/pkg/common/storage/database/conversation.go
@@ -28,6 +28,7 @@ type Conversation interface {
 	FindUserID(ctx context.Context, userIDs []string, conversationIDs []string) ([]string, error)
 	FindUserIDAllConversationID(ctx context.Context, userID string) ([]string, error)
 	FindUserIDAllNotNotifyConversationID(ctx context.Context, userID string) ([]string, error)
+	FindUserIDAllPinnedConversationID(ctx context.Context, userID string) ([]string, error)
 	Take(ctx context.Context, userID, conversationID string) (conversation *model.Conversation, err error)
 	FindConversationID(ctx context.Context, userID string, conversationIDs []string) (existConversationID []string, err error)
 	FindUserIDAllConversations(ctx context.Context, userID string) (conversations []*model.Conversation, err error)
diff --git a/pkg/common/storage/database/mgo/conversation.go b/pkg/common/storage/database/mgo/conversation.go
index 4c936aedce..f7ced1c2cf 100644
--- a/pkg/common/storage/database/mgo/conversation.go
+++ b/pkg/common/storage/database/mgo/conversation.go
@@ -131,6 +131,13 @@ func (c *ConversationMgo) FindUserIDAllNotNotifyConversationID(ctx context.Conte
 	}, options.Find().SetProjection(bson.M{"_id": 0, "conversation_id": 1}))
 }
 
+func (c *ConversationMgo) FindUserIDAllPinnedConversationID(ctx context.Context, userID string) ([]string, error) {
+	return mongoutil.Find[string](ctx, c.coll, bson.M{
+		"owner_user_id": userID,
+		"is_pinned":     true,
+	}, options.Find().SetProjection(bson.M{"_id": 0, "conversation_id": 1}))
+}
+
 func (c *ConversationMgo) Take(ctx context.Context, userID, conversationID string) (conversation *model.Conversation, err error) {
 	return mongoutil.FindOne[*model.Conversation](ctx, c.coll, bson.M{"owner_user_id": userID, "conversation_id": conversationID})
 }