Update version to v3.8.3-patch.9

Co-authored-by: icey-yu <119291641+icey-yu@users.noreply.github.com>

docker-compose.yml

@@ -63,7 +63,12 @@ services:
     restart: always
     sysctls:
       net.core.somaxconn: 1024
-    command: redis-server /usr/local/redis/config/redis.conf --requirepass openIM123 --appendonly yes
+    command: >
+      redis-server
+      --requirepass openIM123
+      --appendonly yes
+      --aof-use-rdb-preamble yes
+      --save ""
     networks:
       - openim
 
@@ -99,15 +104,62 @@ services:
     environment:
       #KAFKA_HEAP_OPTS: "-Xms128m -Xmx256m"
       TZ: Asia/Shanghai
+      # Unique identifier for the Kafka node (required in controller mode)
       KAFKA_CFG_NODE_ID: 0
+      # Defines the roles this Kafka node plays: broker, controller, or both
       KAFKA_CFG_PROCESS_ROLES: controller,broker
+      # Specifies which nodes are controller nodes for quorum voting.
+      # The syntax follows the KRaft mode (no ZooKeeper): node.id@host:port
+      # The controller listener endpoint here is kafka:9093
       KAFKA_CFG_CONTROLLER_QUORUM_VOTERS: 0@kafka:9093
-      KAFKA_CFG_LISTENERS: PLAINTEXT://:9092,CONTROLLER://:9093,EXTERNAL://:9094
-      KAFKA_CFG_ADVERTISED_LISTENERS: PLAINTEXT://kafka:9092,EXTERNAL://localhost:19094
-      KAFKA_CFG_LISTENER_SECURITY_PROTOCOL_MAP: CONTROLLER:PLAINTEXT,EXTERNAL:PLAINTEXT,PLAINTEXT:PLAINTEXT
+      # Specifies which listener is used for controller-to-controller communication
       KAFKA_CFG_CONTROLLER_LISTENER_NAMES: CONTROLLER
+      # Default number of partitions for new topics
       KAFKA_NUM_PARTITIONS: 8
+      # Whether to enable automatic topic creation
       KAFKA_CFG_AUTO_CREATE_TOPICS_ENABLE: "true"
+      # Kafka internal listeners; Kafka supports multiple ports with different protocols
+      # Each port is used for a specific purpose: INTERNAL for internal broker communication,
+      # CONTROLLER for controller communication, EXTERNAL for external client connections.
+      # These logical listener names are mapped to actual protocols via KAFKA_CFG_LISTENER_SECURITY_PROTOCOL_MAP
+      # In short, Kafka is listening on three logical ports: 9092 for internal communication,
+      # 9093 for controller traffic, and 9094 for external access.
+      KAFKA_CFG_LISTENERS: "INTERNAL://:9092,CONTROLLER://:9093,EXTERNAL://:9094"
+      # Addresses advertised to clients. INTERNAL://kafka:9092 uses the internal Docker service name 'kafka',
+      # so other containers can access Kafka via kafka:9092.
+      # EXTERNAL://localhost:19094 is the address external clients (e.g., in the LAN) should use to connect.
+      # If Kafka is deployed on a different machine than IM, 'localhost' should be replaced with the LAN IP.
+      KAFKA_CFG_ADVERTISED_LISTENERS: "INTERNAL://kafka:9092,EXTERNAL://localhost:19094"
+      # Maps logical listener names to actual protocols.
+      # Supported protocols include: PLAINTEXT, SSL, SASL_PLAINTEXT, SASL_SSL
+      KAFKA_CFG_LISTENER_SECURITY_PROTOCOL_MAP: "CONTROLLER:PLAINTEXT,EXTERNAL:PLAINTEXT,INTERNAL:PLAINTEXT"
+      # Defines which listener is used for inter-broker communication within the Kafka cluster
+      KAFKA_CFG_INTER_BROKER_LISTENER_NAME: "INTERNAL"
+
+
+      # Authentication configuration variables - comment out to disable auth
+      # KAFKA_USERNAME: "openIM"
+      # KAFKA_PASSWORD: "openIM123"
+    command: >
+      /bin/sh -c '
+        if [ -n "$${KAFKA_USERNAME}" ] && [ -n "$${KAFKA_PASSWORD}" ]; then
+          echo "=== Kafka SASL Authentication ENABLED ==="
+          echo "Username: $${KAFKA_USERNAME}"
+          
+          # Set environment variables for SASL authentication
+          export KAFKA_CFG_LISTENERS="SASL_PLAINTEXT://:9092,CONTROLLER://:9093,EXTERNAL://:9094"
+          export KAFKA_CFG_ADVERTISED_LISTENERS="SASL_PLAINTEXT://kafka:9092,EXTERNAL://localhost:19094"
+          export KAFKA_CFG_LISTENER_SECURITY_PROTOCOL_MAP="CONTROLLER:PLAINTEXT,EXTERNAL:SASL_PLAINTEXT,SASL_PLAINTEXT:SASL_PLAINTEXT"
+          export KAFKA_CFG_SASL_ENABLED_MECHANISMS="PLAIN"
+          export KAFKA_CFG_SASL_MECHANISM_INTER_BROKER_PROTOCOL="PLAIN"
+          export KAFKA_CFG_INTER_BROKER_LISTENER_NAME="SASL_PLAINTEXT"
+          export KAFKA_CLIENT_USERS="$${KAFKA_USERNAME}"
+          export KAFKA_CLIENT_PASSWORDS="$${KAFKA_PASSWORD}"
+        fi
+        
+        # Start Kafka with the configured environment
+        exec /opt/bitnami/scripts/kafka/entrypoint.sh /opt/bitnami/scripts/kafka/run.sh
+      '
     networks:
       - openim
 

internal/api/jssdk/jssdk.go

@@ -2,10 +2,14 @@ package jssdk
 
 import (
 	"context"
-	"github.com/openimsdk/open-im-server/v3/pkg/rpcli"
 	"sort"
 
+	"github.com/openimsdk/open-im-server/v3/pkg/rpcli"
+	"github.com/openimsdk/protocol/constant"
+	"github.com/openimsdk/tools/log"
+
 	"github.com/gin-gonic/gin"
+
 	"github.com/openimsdk/protocol/conversation"
 	"github.com/openimsdk/protocol/jssdk"
 	"github.com/openimsdk/protocol/msg"
@@ -109,10 +113,7 @@ func (x *JSSdk) getActiveConversations(ctx context.Context, req *jssdk.GetActive
 	if len(conversationIDs) == 0 {
 		return &jssdk.GetActiveConversationsResp{}, nil
 	}
-	readSeq, err := x.msgClient.GetHasReadSeqs(ctx, conversationIDs, req.OwnerUserID)
-	if err != nil {
-		return nil, err
-	}
+
 	activeConversation, err := x.msgClient.GetActiveConversation(ctx, conversationIDs)
 	if err != nil {
 		return nil, err
@@ -120,6 +121,10 @@ func (x *JSSdk) getActiveConversations(ctx context.Context, req *jssdk.GetActive
 	if len(activeConversation) == 0 {
 		return &jssdk.GetActiveConversationsResp{}, nil
 	}
+	readSeq, err := x.msgClient.GetHasReadSeqs(ctx, conversationIDs, req.OwnerUserID)
+	if err != nil {
+		return nil, err
+	}
 	sortConversations := sortActiveConversations{
 		Conversation: activeConversation,
 	}
@@ -147,6 +152,7 @@ func (x *JSSdk) getActiveConversations(ctx context.Context, req *jssdk.GetActive
 	if err != nil {
 		return nil, err
 	}
+	x.checkMessagesAndGetLastMessage(ctx, req.OwnerUserID, msgs)
 	conversationMap := datautil.SliceToMap(conversations, func(c *conversation.Conversation) string {
 		return c.ConversationID
 	})
@@ -156,16 +162,15 @@ func (x *JSSdk) getActiveConversations(ctx context.Context, req *jssdk.GetActive
 		if !ok {
 			continue
 		}
-		var lastMsg *sdkws.MsgData
 		if msgList, ok := msgs[c.ConversationID]; ok && len(msgList.Msgs) > 0 {
-			lastMsg = msgList.Msgs[0]
+			resp = append(resp, &jssdk.ConversationMsg{
+				Conversation: conv,
+				LastMsg:      msgList.Msgs[0],
+				MaxSeq:       c.MaxSeq,
+				ReadSeq:      readSeq[c.ConversationID],
+			})
 		}
-		resp = append(resp, &jssdk.ConversationMsg{
-			Conversation: conv,
-			LastMsg:      lastMsg,
-			MaxSeq:       c.MaxSeq,
-			ReadSeq:      readSeq[c.ConversationID],
-		})
+
 	}
 	if err := x.fillConversations(ctx, resp); err != nil {
 		return nil, err
@@ -219,18 +224,18 @@ func (x *JSSdk) getConversations(ctx context.Context, req *jssdk.GetConversation
 			return nil, err
 		}
 	}
+	x.checkMessagesAndGetLastMessage(ctx, req.OwnerUserID, msgs)
 	resp := make([]*jssdk.ConversationMsg, 0, len(conversations))
 	for _, c := range conversations {
-		var lastMsg *sdkws.MsgData
 		if msgList, ok := msgs[c.ConversationID]; ok && len(msgList.Msgs) > 0 {
-			lastMsg = msgList.Msgs[0]
+			resp = append(resp, &jssdk.ConversationMsg{
+				Conversation: c,
+				LastMsg:      msgList.Msgs[0],
+				MaxSeq:       maxSeqs[c.ConversationID],
+				ReadSeq:      readSeqs[c.ConversationID],
+			})
 		}
-		resp = append(resp, &jssdk.ConversationMsg{
-			Conversation: c,
-			LastMsg:      lastMsg,
-			MaxSeq:       maxSeqs[c.ConversationID],
-			ReadSeq:      readSeqs[c.ConversationID],
-		})
+
 	}
 	if err := x.fillConversations(ctx, resp); err != nil {
 		return nil, err
@@ -247,3 +252,38 @@ func (x *JSSdk) getConversations(ctx context.Context, req *jssdk.GetConversation
 		UnreadCount:   unreadCount,
 	}, nil
 }
+
+// This function checks whether the latest MaxSeq message is valid.
+// If not, it needs to fetch a valid message again.
+func (x *JSSdk) checkMessagesAndGetLastMessage(ctx context.Context, userID string, messages map[string]*sdkws.PullMsgs) {
+	var conversationIDs []string
+
+	for conversationID, message := range messages {
+		allInValid := true
+		for _, data := range message.Msgs {
+			if data.Status < constant.MsgStatusHasDeleted {
+				allInValid = false
+				break
+			}
+		}
+
+		// when the conversation has been deleted by the user, the length of message.Msgs is empty
+		if allInValid && len(message.Msgs) > 0 {
+			conversationIDs = append(conversationIDs, conversationID)
+		}
+	}
+	if len(conversationIDs) > 0 {
+		resp, err := x.msgClient.GetLastMessage(ctx, &msg.GetLastMessageReq{
+			UserID:          userID,
+			ConversationIDs: conversationIDs,
+		})
+		if err != nil {
+			log.ZError(ctx, "fetchLatestValidMessages", err, "conversationIDs", conversationIDs)
+			return
+		}
+		for conversationID, message := range resp.Msgs {
+			messages[conversationID] = &sdkws.PullMsgs{Msgs: []*sdkws.MsgData{message}}
+		}
+	}
+
+}

internal/msggateway/hub_server.go

@@ -244,6 +244,7 @@ func (s *Server) MultiTerminalLoginCheck(ctx context.Context, req *msggateway.Mu
 		tempUserCtx.SetOperationID(mcontext.GetOperationID(ctx))
 		client := &Client{}
 		client.ctx = tempUserCtx
+		client.token = req.Token
 		client.UserID = req.UserID
 		client.PlatformID = int(req.PlatformID)
 		i := &kickHandler{

internal/msggateway/ws_server.go

@@ -337,17 +337,51 @@ func (ws *WsServer) multiTerminalLoginChecker(clientOK bool, oldClients []*Clien
 		}
 	}
 
+	// If reconnect: When multiple msgGateway instances are deployed, a client may disconnect from instance A and reconnect to instance B.
+	// During this process, instance A might still be executing, resulting in two clients with the same token existing simultaneously.
+	// This situation needs to be filtered to prevent duplicate clients.
+	checkSameTokenFunc := func(oldClients []*Client) []*Client {
+		var clientsNeedToKick []*Client
+
+		for _, c := range oldClients {
+			if c.token == newClient.token {
+				log.ZDebug(newClient.ctx, "token is same, not kick",
+					"userID", newClient.UserID,
+					"platformID", newClient.PlatformID,
+					"token", newClient.token)
+				continue
+			}
+
+			clientsNeedToKick = append(clientsNeedToKick, c)
+		}
+
+		return clientsNeedToKick
+	}
+
 	switch ws.msgGatewayConfig.Share.MultiLogin.Policy {
 	case constant.DefalutNotKick:
 	case constant.PCAndOther:
 		if constant.PlatformIDToClass(newClient.PlatformID) == constant.TerminalPC {
 			return
 		}
+		clients, ok := ws.clients.GetAll(newClient.UserID)
+		clientOK = ok
+		oldClients = make([]*Client, 0, len(clients))
+		for _, c := range clients {
+			if constant.PlatformIDToClass(c.PlatformID) == constant.TerminalPC {
+				continue
+			}
+			oldClients = append(oldClients, c)
+		}
+
 		fallthrough
 	case constant.AllLoginButSameTermKick:
 		if !clientOK {
 			return
 		}
+
+		oldClients = checkSameTokenFunc(oldClients)
+
 		ws.clients.DeleteClients(newClient.UserID, oldClients)
 		for _, c := range oldClients {
 			err := c.KickOnlineMessage()
@@ -373,14 +407,15 @@ func (ws *WsServer) multiTerminalLoginChecker(clientOK bool, oldClients []*Clien
 		if !ok {
 			return
 		}
-		var (
-			kickClients []*Client
-		)
+
+		var kickClients []*Client
 		for _, client := range clients {
 			if constant.PlatformIDToClass(client.PlatformID) == constant.PlatformIDToClass(newClient.PlatformID) {
 				kickClients = append(kickClients, client)
 			}
 		}
+		kickClients = checkSameTokenFunc(kickClients)
+
 		kickTokenFunc(kickClients)
 	}
 }

internal/msgtransfer/online_history_msg_handler.go

@@ -26,10 +26,12 @@ import (
 	"github.com/openimsdk/open-im-server/v3/pkg/rpcli"
 	"github.com/openimsdk/tools/discovery"
 
+	"github.com/go-redis/redis"
+	"google.golang.org/protobuf/proto"
+
 	"github.com/openimsdk/open-im-server/v3/pkg/common/prommetrics"
 
 	"github.com/IBM/sarama"
-	"github.com/go-redis/redis"
 	"github.com/openimsdk/open-im-server/v3/pkg/common/storage/controller"
 	"github.com/openimsdk/open-im-server/v3/pkg/common/storage/kafka"
 	"github.com/openimsdk/open-im-server/v3/pkg/msgprocessor"
@@ -41,7 +43,6 @@ import (
 	"github.com/openimsdk/tools/log"
 	"github.com/openimsdk/tools/mcontext"
 	"github.com/openimsdk/tools/utils/stringutil"
-	"google.golang.org/protobuf/proto"
 )
 
 const (
@@ -140,53 +141,48 @@ func (och *OnlineHistoryRedisConsumerHandler) do(ctx context.Context, channelID
 
 func (och *OnlineHistoryRedisConsumerHandler) doSetReadSeq(ctx context.Context, msgs []*ContextMsg) {
 
-	var conversationID string
-	var userSeqMap map[string]int64
+	// Outer map: conversationID -> (userID -> maxHasReadSeq)
+	conversationUserSeq := make(map[string]map[string]int64)
+
 	for _, msg := range msgs {
 		if msg.message.ContentType != constant.HasReadReceipt {
 			continue
 		}
 		var elem sdkws.NotificationElem
 		if err := json.Unmarshal(msg.message.Content, &elem); err != nil {
-			log.ZWarn(ctx, "handlerConversationRead Unmarshal NotificationElem msg err", err, "msg", msg)
+			log.ZWarn(ctx, "Unmarshal NotificationElem error", err, "msg", msg)
 			continue
 		}
 		var tips sdkws.MarkAsReadTips
 		if err := json.Unmarshal([]byte(elem.Detail), &tips); err != nil {
-			log.ZWarn(ctx, "handlerConversationRead Unmarshal MarkAsReadTips msg err", err, "msg", msg)
+			log.ZWarn(ctx, "Unmarshal MarkAsReadTips error", err, "msg", msg)
 			continue
 		}
-		//The conversation ID for each batch of messages processed by the batcher is the same.
-		conversationID = tips.ConversationID
-		if len(tips.Seqs) > 0 {
-			for _, seq := range tips.Seqs {
-				if tips.HasReadSeq < seq {
-					tips.HasReadSeq = seq
-				}
-			}
-			clear(tips.Seqs)
-			tips.Seqs = nil
-		}
-		if tips.HasReadSeq < 0 {
+		if len(tips.ConversationID) == 0 || tips.HasReadSeq < 0 {
 			continue
 		}
-		if userSeqMap == nil {
-			userSeqMap = make(map[string]int64)
-		}
 
-		if userSeqMap[tips.MarkAsReadUserID] > tips.HasReadSeq {
-			continue
+		// Calculate the max seq from tips.Seqs
+		for _, seq := range tips.Seqs {
+			if tips.HasReadSeq < seq {
+				tips.HasReadSeq = seq
+			}
+		}
+
+		if _, ok := conversationUserSeq[tips.ConversationID]; !ok {
+			conversationUserSeq[tips.ConversationID] = make(map[string]int64)
+		}
+		if conversationUserSeq[tips.ConversationID][tips.MarkAsReadUserID] < tips.HasReadSeq {
+			conversationUserSeq[tips.ConversationID][tips.MarkAsReadUserID] = tips.HasReadSeq
 		}
-		userSeqMap[tips.MarkAsReadUserID] = tips.HasReadSeq
 	}
-	if userSeqMap == nil {
-		return
-	}
-	if len(conversationID) == 0 {
-		log.ZWarn(ctx, "conversation err", nil, "conversationID", conversationID)
-	}
-	if err := och.msgTransferDatabase.SetHasReadSeqToDB(ctx, conversationID, userSeqMap); err != nil {
-		log.ZWarn(ctx, "set read seq to db error", err, "conversationID", conversationID, "userSeqMap", userSeqMap)
+	log.ZInfo(ctx, "doSetReadSeq", "conversationUserSeq", conversationUserSeq)
+
+	// persist to db
+	for convID, userSeqMap := range conversationUserSeq {
+		if err := och.msgTransferDatabase.SetHasReadSeqToDB(ctx, convID, userSeqMap); err != nil {
+			log.ZWarn(ctx, "SetHasReadSeqToDB error", err, "conversationID", convID, "userSeqMap", userSeqMap)
+		}
 	}
 
 }

internal/rpc/relation/friend.go

@@ -194,7 +194,7 @@ func (s *friendServer) ImportFriends(ctx context.Context, req *relation.ImportFr
 			FromUserID:   req.OwnerUserID,
 			ToUserID:     userID,
 			HandleResult: constant.FriendResponseAgree,
-		})
+		}, false)
 	}
 
 	s.webhookAfterImportFriends(ctx, &s.config.WebhooksConfig.AfterImportFriends, req)
@@ -223,7 +223,7 @@ func (s *friendServer) RespondFriendApply(ctx context.Context, req *relation.Res
 			return nil, err
 		}
 		s.webhookAfterAddFriendAgree(ctx, &s.config.WebhooksConfig.AfterAddFriendAgree, req)
-		s.notificationSender.FriendApplicationAgreedNotification(ctx, req)
+		s.notificationSender.FriendApplicationAgreedNotification(ctx, req, true)
 		return resp, nil
 	}
 	if req.HandleResult == constant.FriendResponseRefuse {

internal/rpc/relation/notification.go

@@ -171,11 +171,17 @@ func (f *FriendNotificationSender) FriendApplicationAddNotification(ctx context.
 	f.Notification(ctx, req.FromUserID, req.ToUserID, constant.FriendApplicationNotification, &tips)
 }
 
-func (f *FriendNotificationSender) FriendApplicationAgreedNotification(ctx context.Context, req *relation.RespondFriendApplyReq) {
-	request, err := f.getFriendRequests(ctx, req.FromUserID, req.ToUserID)
-	if err != nil {
-		log.ZError(ctx, "FriendApplicationAgreedNotification get friend request", err, "fromUserID", req.FromUserID, "toUserID", req.ToUserID)
-		return
+func (f *FriendNotificationSender) FriendApplicationAgreedNotification(ctx context.Context, req *relation.RespondFriendApplyReq, checkReq bool) {
+	var (
+		request *sdkws.FriendRequest
+		err     error
+	)
+	if checkReq {
+		request, err = f.getFriendRequests(ctx, req.FromUserID, req.ToUserID)
+		if err != nil {
+			log.ZError(ctx, "FriendApplicationAgreedNotification get friend request", err, "fromUserID", req.FromUserID, "toUserID", req.ToUserID)
+			return
+		}
 	}
 	tips := sdkws.FriendApplicationApprovedTips{
 		FromToUserID: &sdkws.FromToUserID{

internal/rpc/third/third.go

@@ -23,6 +23,8 @@ import (
 	"github.com/openimsdk/tools/s3/aws"
 	"github.com/openimsdk/tools/s3/disable"
 
+	"google.golang.org/grpc"
+
 	"github.com/openimsdk/open-im-server/v3/pkg/common/config"
 	"github.com/openimsdk/open-im-server/v3/pkg/common/storage/cache/redis"
 	"github.com/openimsdk/open-im-server/v3/pkg/common/storage/controller"
@@ -37,7 +39,6 @@ import (
 	"github.com/openimsdk/tools/s3/kodo"
 	"github.com/openimsdk/tools/s3/minio"
 	"github.com/openimsdk/tools/s3/oss"
-	"google.golang.org/grpc"
 )
 
 type thirdServer struct {

pkg/common/config/config.go

@@ -358,7 +358,7 @@ type Redis struct {
 	Username    string   `mapstructure:"username"`
 	Password    string   `mapstructure:"password"`
 	ClusterMode bool     `mapstructure:"clusterMode"`
-	DB          int      `mapstructure:"storage"`
+	DB          int      `mapstructure:"db"`
 	MaxRetry    int      `mapstructure:"maxRetry"`
 	PoolSize    int      `mapstructure:"poolSize"`
 }

pkg/common/storage/controller/msg.go

@@ -675,12 +675,19 @@ func (db *commonMsgDatabase) SearchMessage(ctx context.Context, req *pbmsg.Searc
 func (db *commonMsgDatabase) FindOneByDocIDs(ctx context.Context, conversationIDs []string, seqs map[string]int64) (map[string]*sdkws.MsgData, error) {
 	totalMsgs := make(map[string]*sdkws.MsgData)
 	for _, conversationID := range conversationIDs {
-		seq := seqs[conversationID]
+		seq, ok := seqs[conversationID]
+		if !ok {
+			log.ZWarn(ctx, "seq not found for conversationID", errs.New("seq not found for conversation"), "conversationID", conversationID)
+			continue
+		}
+
 		docID := db.msgTable.GetDocID(conversationID, seq)
 		msgs, err := db.msgDocDatabase.FindOneByDocID(ctx, docID)
 		if err != nil {
-			return nil, err
+			log.ZWarn(ctx, "FindOneByDocID failed", err, "conversationID", conversationID, "docID", docID, "seq", seq)
+			continue
 		}
+
 		index := db.msgTable.GetMsgIndex(seq)
 		totalMsgs[conversationID] = convert.MsgDB2Pb(msgs.Msg[index].Msg)
 	}

pkg/common/storage/database/mgo/msg.go

@@ -5,6 +5,11 @@ import (
 	"fmt"
 	"time"
 
+	"go.mongodb.org/mongo-driver/bson"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+	"go.mongodb.org/mongo-driver/mongo"
+	"go.mongodb.org/mongo-driver/mongo/options"
+
 	"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/protocol/constant"
@@ -14,10 +19,6 @@ import (
 	"github.com/openimsdk/tools/errs"
 	"github.com/openimsdk/tools/utils/datautil"
 	"github.com/openimsdk/tools/utils/jsonutil"
-	"go.mongodb.org/mongo-driver/bson"
-	"go.mongodb.org/mongo-driver/bson/primitive"
-	"go.mongodb.org/mongo-driver/mongo"
-	"go.mongodb.org/mongo-driver/mongo/options"
 )
 
 func NewMsgMongo(db *mongo.Database) (database.Msg, error) {
@@ -1149,7 +1150,7 @@ func (m *MsgMgo) findBeforeDocSendTime(ctx context.Context, docID string, limit
 	if err != nil {
 		return 0, 0, err
 	}
-	for i := len(res) - 1; i > 0; i-- {
+	for i := len(res) - 1; i >= 0; i-- {
 		v := res[i]
 		if v.Msgs != nil && v.Msgs.Msg != nil && v.Msgs.Msg.SendTime > 0 {
 			return v.Msgs.Msg.Seq, v.Msgs.Msg.SendTime, nil
@@ -1164,7 +1165,7 @@ func (m *MsgMgo) findBeforeSendTime(ctx context.Context, conversationID string,
 		limit := int64(-1)
 		if first {
 			first = false
-			limit = m.model.GetMsgIndex(seq)
+			limit = m.model.GetLimitForSingleDoc(seq)
 		}
 		docID := m.model.BuildDocIDByIndex(conversationID, i)
 		msgSeq, msgSendTime, err := m.findBeforeDocSendTime(ctx, docID, limit)

pkg/common/storage/model/msg.go

@@ -120,15 +120,11 @@ func (m *MsgDocModel) GetDocID(conversationID string, seq int64) string {
 
 func (m *MsgDocModel) GetDocIDSeqsMap(conversationID string, seqs []int64) map[string][]int64 {
 	t := make(map[string][]int64)
-	for i := 0; i < len(seqs); i++ {
-		docID := m.GetDocID(conversationID, seqs[i])
-		if value, ok := t[docID]; !ok {
-			var temp []int64
-			t[docID] = append(temp, seqs[i])
-		} else {
-			t[docID] = append(value, seqs[i])
-		}
+	for _, seq := range seqs {
+		docID := m.GetDocID(conversationID, seq)
+		t[docID] = append(t[docID], seq)
 	}
+
 	return t
 }
 
@@ -136,6 +132,10 @@ func (*MsgDocModel) GetMsgIndex(seq int64) int64 {
 	return (seq - 1) % singleGocMsgNum
 }
 
+func (*MsgDocModel) GetLimitForSingleDoc(seq int64) int64 {
+	return seq % singleGocMsgNum
+}
+
 func (*MsgDocModel) indexGen(conversationID string, seqSuffix int64) string {
 	return conversationID + ":" + strconv.FormatInt(seqSuffix, 10)
 }

pkg/rpcli/msg.go

@@ -2,9 +2,11 @@ package rpcli
 
 import (
 	"context"
+
+	"google.golang.org/grpc"
+
 	"github.com/openimsdk/protocol/msg"
 	"github.com/openimsdk/protocol/sdkws"
-	"google.golang.org/grpc"
 )
 
 func NewMsgClient(cc grpc.ClientConnInterface) *MsgClient {

version/version

@@ -1 +1 @@
-v3.8.3
+v3.8.3-patch.9