diff --git a/docker-compose.yml b/docker-compose.yml
index 233348619..8eac64c9f 100644
--- a/docker-compose.yml
+++ b/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
 
diff --git a/internal/rpc/conversation/conversation.go b/internal/rpc/conversation/conversation.go
index a2b72ddfb..c9bfd3c56 100644
--- a/internal/rpc/conversation/conversation.go
+++ b/internal/rpc/conversation/conversation.go
@@ -132,6 +132,7 @@ func (c *conversationServer) GetConversation(ctx context.Context, req *pbconvers
 	return resp, nil
 }
 
+// Deprecated: Use `GetConversations` instead.
 func (c *conversationServer) GetSortedConversationList(ctx context.Context, req *pbconversation.GetSortedConversationListReq) (resp *pbconversation.GetSortedConversationListResp, err error) {
 	if err := authverify.CheckAccess(ctx, req.UserID); err != nil {
 		return nil, err
@@ -183,9 +184,21 @@ func (c *conversationServer) GetSortedConversationList(ctx context.Context, req
 
 	conversation_isPinTime := make(map[int64]string)
 	conversation_notPinTime := make(map[int64]string)
+
 	for _, v := range conversations {
 		conversationID := v.ConversationID
-		time := conversationMsg[conversationID].MsgInfo.LatestMsgRecvTime
+		var time int64
+		if _, ok := conversationMsg[conversationID]; ok {
+			time = conversationMsg[conversationID].MsgInfo.LatestMsgRecvTime
+		} else {
+			conversationMsg[conversationID] = &pbconversation.ConversationElem{
+				ConversationID: conversationID,
+				IsPinned:       v.IsPinned,
+				MsgInfo:        nil,
+			}
+			time = v.CreateTime.UnixMilli()
+		}
+
 		conversationMsg[conversationID].RecvMsgOpt = v.RecvMsgOpt
 		if v.IsPinned {
 			conversationMsg[conversationID].IsPinned = v.IsPinned
diff --git a/internal/rpc/group/sync.go b/internal/rpc/group/sync.go
index baee2f2d4..b864fbf53 100644
--- a/internal/rpc/group/sync.go
+++ b/internal/rpc/group/sync.go
@@ -2,6 +2,7 @@ package group
 
 import (
 	"context"
+	"errors"
 
 	"github.com/openimsdk/open-im-server/v3/internal/rpc/incrversion"
 	"github.com/openimsdk/open-im-server/v3/pkg/authverify"
@@ -11,6 +12,7 @@ import (
 	"github.com/openimsdk/protocol/constant"
 	pbgroup "github.com/openimsdk/protocol/group"
 	"github.com/openimsdk/protocol/sdkws"
+	"github.com/openimsdk/tools/log"
 )
 
 const versionSyncLimit = 500
@@ -170,19 +172,26 @@ func (g *groupServer) GetIncrementalJoinGroup(ctx context.Context, req *pbgroup.
 func (g *groupServer) BatchGetIncrementalGroupMember(ctx context.Context, req *pbgroup.BatchGetIncrementalGroupMemberReq) (*pbgroup.BatchGetIncrementalGroupMemberResp, error) {
 	var num int
 	resp := make(map[string]*pbgroup.GetIncrementalGroupMemberResp)
+
 	for _, memberReq := range req.ReqList {
 		if _, ok := resp[memberReq.GroupID]; ok {
 			continue
 		}
 		memberResp, err := g.GetIncrementalGroupMember(ctx, memberReq)
 		if err != nil {
+			if errors.Is(err, servererrs.ErrDismissedAlready) {
+				log.ZWarn(ctx, "Failed to get incremental group member", err, "groupID", memberReq.GroupID, "request", memberReq)
+				continue
+			}
 			return nil, err
 		}
+
 		resp[memberReq.GroupID] = memberResp
 		num += len(memberResp.Insert) + len(memberResp.Update) + len(memberResp.Delete)
 		if num >= versionSyncLimit {
 			break
 		}
 	}
+
 	return &pbgroup.BatchGetIncrementalGroupMemberResp{RespList: resp}, nil
 }