diff --git a/pkg/common/cmd/msg_utils.go b/pkg/common/cmd/msg_utils.go
index cfaf631ec..8c5ffb16c 100644
--- a/pkg/common/cmd/msg_utils.go
+++ b/pkg/common/cmd/msg_utils.go
@@ -22,7 +22,6 @@ import (
 
 type MsgUtilsCmd struct {
 	cobra.Command
-	msgTool *tools.MsgTool
 }
 
 func (m *MsgUtilsCmd) AddUserIDFlag() {
@@ -38,19 +37,19 @@ func (m *MsgUtilsCmd) AddFixAllFlag() {
 	m.Command.PersistentFlags().BoolP("fixAll", "f", false, "openIM fix all seqs")
 }
 
-func (m *MsgUtilsCmd) getFixAllFlag(cmdLines *cobra.Command) bool {
+/* func (m *MsgUtilsCmd) getFixAllFlag(cmdLines *cobra.Command) bool {
 	fixAll, _ := cmdLines.Flags().GetBool("fixAll")
 	return fixAll
-}
+} */
 
 func (m *MsgUtilsCmd) AddClearAllFlag() {
 	m.Command.PersistentFlags().BoolP("clearAll", "c", false, "openIM clear all seqs")
 }
 
-func (m *MsgUtilsCmd) getClearAllFlag(cmdLines *cobra.Command) bool {
+/* func (m *MsgUtilsCmd) getClearAllFlag(cmdLines *cobra.Command) bool {
 	clearAll, _ := cmdLines.Flags().GetBool("clearAll")
 	return clearAll
-}
+} */
 
 func (m *MsgUtilsCmd) AddSuperGroupIDFlag() {
 	m.Command.PersistentFlags().StringP("superGroupID", "g", "", "openIM superGroupID")
@@ -65,19 +64,19 @@ func (m *MsgUtilsCmd) AddBeginSeqFlag() {
 	m.Command.PersistentFlags().Int64P("beginSeq", "b", 0, "openIM beginSeq")
 }
 
-func (m *MsgUtilsCmd) getBeginSeqFlag(cmdLines *cobra.Command) int64 {
+/* func (m *MsgUtilsCmd) getBeginSeqFlag(cmdLines *cobra.Command) int64 {
 	beginSeq, _ := cmdLines.Flags().GetInt64("beginSeq")
 	return beginSeq
-}
+} */
 
 func (m *MsgUtilsCmd) AddLimitFlag() {
 	m.Command.PersistentFlags().Int64P("limit", "l", 0, "openIM limit")
 }
 
-func (m *MsgUtilsCmd) getLimitFlag(cmdLines *cobra.Command) int64 {
+/* func (m *MsgUtilsCmd) getLimitFlag(cmdLines *cobra.Command) int64 {
 	limit, _ := cmdLines.Flags().GetInt64("limit")
 	return limit
-}
+} */
 
 func (m *MsgUtilsCmd) Execute() error {
 	return m.Command.Execute()
@@ -134,6 +133,7 @@ func NewSeqCmd() *SeqCmd {
 	return seqCmd
 }
 
+
 func (s *SeqCmd) GetSeqCmd() *cobra.Command {
 	s.Command.Run = func(cmdLines *cobra.Command, args []string) {
 		_, err := tools.InitMsgTool()
diff --git a/pkg/common/convert/friend.go b/pkg/common/convert/friend.go
index 27bd595ad..f3a19e459 100644
--- a/pkg/common/convert/friend.go
+++ b/pkg/common/convert/friend.go
@@ -26,7 +26,10 @@ import (
 
 func FriendPb2DB(friend *sdkws.FriendInfo) *relation.FriendModel {
 	dbFriend := &relation.FriendModel{}
-	utils.CopyStructFields(dbFriend, friend)
+	err := utils.CopyStructFields(dbFriend, friend)
+	if err != nil {
+		return nil
+	}
 	dbFriend.FriendUserID = friend.FriendUser.UserID
 	dbFriend.CreateTime = utils.UnixSecondToTime(friend.CreateTime)
 	return dbFriend
@@ -69,7 +72,11 @@ func FriendsDB2Pb(
 	}
 	for _, friend := range friendsDB {
 		friendPb := &sdkws.FriendInfo{FriendUser: &sdkws.UserInfo{}}
-		utils.CopyStructFields(friendPb, friend)
+		err := utils.CopyStructFields(friendPb, friend)
+		if err != nil {
+			return nil, err
+		}
+
 		friendPb.FriendUser.UserID = users[friend.FriendUserID].UserID
 		friendPb.FriendUser.Nickname = users[friend.FriendUserID].Nickname
 		friendPb.FriendUser.FaceURL = users[friend.FriendUserID].FaceURL
@@ -79,6 +86,7 @@ func FriendsDB2Pb(
 		friendsPb = append(friendsPb, friendPb)
 	}
 	return friendsPb, nil
+
 }
 
 func FriendRequestDB2Pb(
diff --git a/pkg/common/db/cache/conversation.go b/pkg/common/db/cache/conversation.go
index a7018bc18..047188947 100644
--- a/pkg/common/db/cache/conversation.go
+++ b/pkg/common/db/cache/conversation.go
@@ -16,7 +16,6 @@ package cache
 
 import (
 	"context"
-	"errors"
 	"math/big"
 	"strings"
 	"time"
@@ -220,16 +219,16 @@ func (c *ConversationRedisCache) DelConversations(ownerUserID string, conversati
 	return cache
 }
 
-func (c *ConversationRedisCache) getConversationIndex(convsation *relationtb.ConversationModel, keys []string) (int, error) {
-	key := c.getConversationKey(convsation.OwnerUserID, convsation.ConversationID)
-	for _i, _key := range keys {
-		if _key == key {
-			return _i, nil
-		}
-	}
+// func (c *ConversationRedisCache) getConversationIndex(convsation *relationtb.ConversationModel, keys []string) (int, error) {
+// 	key := c.getConversationKey(convsation.OwnerUserID, convsation.ConversationID)
+// 	for _i, _key := range keys {
+// 		if _key == key {
+// 			return _i, nil
+// 		}
+// 	}
 
-	return 0, errors.New("not found key:" + key + " in keys")
-}
+// 	return 0, errors.New("not found key:" + key + " in keys")
+// }
 
 func (c *ConversationRedisCache) GetConversations(ctx context.Context, ownerUserID string, conversationIDs []string) ([]*relationtb.ConversationModel, error) {
 	//var keys []string
@@ -333,7 +332,7 @@ func (c *ConversationRedisCache) DelSuperGroupRecvMsgNotNotifyUserIDsHash(groupI
 	return cache
 }
 
-func (c *ConversationRedisCache) getUserAllHasReadSeqsIndex(conversationID string, conversationIDs []string) (int, error) {
+/* func (c *ConversationRedisCache) getUserAllHasReadSeqsIndex(conversationID string, conversationIDs []string) (int, error) {
 	for _i, _conversationID := range conversationIDs {
 		if _conversationID == conversationID {
 			return _i, nil
@@ -341,21 +340,21 @@ func (c *ConversationRedisCache) getUserAllHasReadSeqsIndex(conversationID strin
 	}
 
 	return 0, errors.New("not found key:" + conversationID + " in keys")
-}
+} */
 
-//func (c *ConversationRedisCache) GetUserAllHasReadSeqs(ctx context.Context, ownerUserID string) (map[string]int64, error) {
-//	conversationIDs, err := c.GetUserConversationIDs(ctx, ownerUserID)
-//	if err != nil {
-//		return nil, err
-//	}
-//	var keys []string
-//	for _, conversarionID := range conversationIDs {
-//		keys = append(keys, c.getConversationHasReadSeqKey(ownerUserID, conversarionID))
-//	}
-//	return batchGetCacheMap(ctx, c.rcClient, keys, conversationIDs, c.expireTime, c.getUserAllHasReadSeqsIndex, func(ctx context.Context) (map[string]int64, error) {
-//		return c.conversationDB.GetUserAllHasReadSeqs(ctx, ownerUserID)
-//	})
-//}
+/* func (c *ConversationRedisCache) GetUserAllHasReadSeqs(ctx context.Context, ownerUserID string) (map[string]int64, error) {
+	conversationIDs, err := c.GetUserConversationIDs(ctx, ownerUserID)
+	if err != nil {
+		return nil, err
+	}
+	var keys []string
+	for _, conversarionID := range conversationIDs {
+		keys = append(keys, c.getConversationHasReadSeqKey(ownerUserID, conversarionID))
+	}
+	return batchGetCacheMap(ctx, c.rcClient, keys, conversationIDs, c.expireTime, c.getUserAllHasReadSeqsIndex, func(ctx context.Context) (map[string]int64, error) {
+		return c.conversationDB.GetUserAllHasReadSeqs(ctx, ownerUserID)
+	})
+} */
 
 func (c *ConversationRedisCache) DelUserAllHasReadSeqs(ownerUserID string, conversationIDs ...string) ConversationCache {
 	cache := c.NewCache()
diff --git a/pkg/common/db/controller/auth.go b/pkg/common/db/controller/auth.go
index 163a25c1c..d3d5f7da9 100644
--- a/pkg/common/db/controller/auth.go
+++ b/pkg/common/db/controller/auth.go
@@ -75,6 +75,7 @@ func (a *authDatabase) CreateToken(ctx context.Context, userID string, platformI
 			return "", err
 		}
 	}
+
 	claims := tokenverify.BuildClaims(userID, platformID, a.accessExpire)
 	token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
 	tokenString, err := token.SignedString([]byte(a.accessSecret))
diff --git a/pkg/common/db/controller/conversation.go b/pkg/common/db/controller/conversation.go
index c6629e9c8..c53d4ab87 100644
--- a/pkg/common/db/controller/conversation.go
+++ b/pkg/common/db/controller/conversation.go
@@ -105,7 +105,7 @@ func (c *conversationDatabase) SetUsersConversationFiledTx(ctx context.Context,
 		now := time.Now()
 		for _, v := range NotUserIDs {
 			temp := new(relationtb.ConversationModel)
-			if err := utils.CopyStructFields(temp, conversation); err != nil {
+			if err = utils.CopyStructFields(temp, conversation); err != nil {
 				return err
 			}
 			temp.OwnerUserID = v
diff --git a/pkg/common/db/controller/msg.go b/pkg/common/db/controller/msg.go
index d427cc3a1..7eac624a7 100644
--- a/pkg/common/db/controller/msg.go
+++ b/pkg/common/db/controller/msg.go
@@ -846,7 +846,7 @@ func (db *commonMsgDatabase) deleteMsgRecursion(ctx context.Context, conversatio
 			}
 		}
 		if len(delMsgIndexs) > 0 {
-			if err := db.msgDocDatabase.DeleteMsgsInOneDocByIndex(ctx, msgDocModel.DocID, delMsgIndexs); err != nil {
+			if err = db.msgDocDatabase.DeleteMsgsInOneDocByIndex(ctx, msgDocModel.DocID, delMsgIndexs); err != nil {
 				log.ZError(ctx, "deleteMsgRecursion DeleteMsgsInOneDocByIndex failed", err, "conversationID", conversationID, "index", index)
 			}
 			delStruct.minSeq = int64(msgDocModel.Msg[delMsgIndexs[len(delMsgIndexs)-1]].Msg.Seq)
diff --git a/pkg/common/db/s3/cont/controller.go b/pkg/common/db/s3/cont/controller.go
index 82c27c1f2..2a66aeaf6 100644
--- a/pkg/common/db/s3/cont/controller.go
+++ b/pkg/common/db/s3/cont/controller.go
@@ -106,7 +106,7 @@ func (c *Controller) InitiateUpload(ctx context.Context, hash string, size int64
 		partNumber++
 	}
 	if maxParts > 0 && partNumber > 0 && partNumber < maxParts {
-		return nil, errors.New(fmt.Sprintf("too many parts: %d", partNumber))
+		return nil, fmt.Errorf("too many parts: %d", partNumber)
 	}
 	if info, err := c.StatObject(ctx, c.HashPath(hash)); err == nil {
 		return nil, &HashAlreadyExistsError{Object: info}
diff --git a/pkg/common/db/s3/cos/cos.go b/pkg/common/db/s3/cos/cos.go
index a82ffe670..b302f1de6 100644
--- a/pkg/common/db/s3/cos/cos.go
+++ b/pkg/common/db/s3/cos/cos.go
@@ -52,8 +52,8 @@ const (
 const successCode = http.StatusOK
 
 const (
-	videoSnapshotImagePng = "png"
-	videoSnapshotImageJpg = "jpg"
+// videoSnapshotImagePng = "png"
+// videoSnapshotImageJpg = "jpg"
 )
 
 func NewCos() (s3.Interface, error) {
diff --git a/pkg/common/db/s3/minio/minio.go b/pkg/common/db/s3/minio/minio.go
index 5a615dcfd..53a2864ef 100644
--- a/pkg/common/db/s3/minio/minio.go
+++ b/pkg/common/db/s3/minio/minio.go
@@ -140,7 +140,7 @@ func (m *Minio) initMinio(ctx context.Context) error {
 		return fmt.Errorf("check bucket exists error: %w", err)
 	}
 	if !exists {
-		if err := m.core.Client.MakeBucket(ctx, conf.Bucket, minio.MakeBucketOptions{}); err != nil {
+		if err = m.core.Client.MakeBucket(ctx, conf.Bucket, minio.MakeBucketOptions{}); err != nil {
 			return fmt.Errorf("make bucket error: %w", err)
 		}
 	}