diff --git a/internal/api/manage/management_chat.go b/internal/api/manage/management_chat.go
index f2b7fe11f..0b1d0aada 100644
--- a/internal/api/manage/management_chat.go
+++ b/internal/api/manage/management_chat.go
@@ -289,16 +289,16 @@ type OANotificationElem struct {
 	Url                 string `mapstructure:"url"`
 	MixType             int32  `mapstructure:"mixType"`
 	Image               struct {
-		SourceUrl   string `mapstructure:"sourceUrl"`
-		SnapshotUrl string `mapstructure:"snapshotUrl"`
+		SourceUrl   string `mapstructure:"sourceURL"`
+		SnapshotUrl string `mapstructure:"snapshotURL"`
 	} `mapstructure:"image"`
 	Video struct {
-		SourceUrl   string `mapstructure:"sourceUrl"`
-		SnapshotUrl string `mapstructure:"snapshotUrl"`
+		SourceUrl   string `mapstructure:"sourceURL"`
+		SnapshotUrl string `mapstructure:"snapshotURL"`
 		Duration    int64  `mapstructure:"duration"`
 	} `mapstructure:"video"`
 	File struct {
-		SourceUrl string `mapstructure:"sourceUrl"`
+		SourceUrl string `mapstructure:"sourceURL"`
 		FileName  string `mapstructure:"fileName"`
 		FileSize  int64  `mapstructure:"fileSize"`
 	} `mapstructure:"file"`
diff --git a/internal/rpc/office/office.go b/internal/rpc/office/office.go
index e96475773..a6bcb1a97 100644
--- a/internal/rpc/office/office.go
+++ b/internal/rpc/office/office.go
@@ -103,7 +103,7 @@ func (s *officeServer) GetUserTags(_ context.Context, req *pbOffice.GetUserTagsR
 
 func (s *officeServer) CreateTag(_ context.Context, req *pbOffice.CreateTagReq) (resp *pbOffice.CreateTagResp, err error) {
 	log.NewInfo(req.OperationID, utils.GetSelfFuncName(), "CreateTag req", req.String())
-	userIDList := utils.RemoveUserIDRepByMap(req.UserIDList)
+	userIDList := utils.RemoveRepeatedStringInList(req.UserIDList)
 	log.NewDebug(req.OperationID, utils.GetSelfFuncName(), "userIDList: ", userIDList)
 	resp = &pbOffice.CreateTagResp{CommonResp: &pbOffice.CommonResp{}}
 	if err := db.DB.CreateTag(req.UserID, req.TagName, userIDList); err != nil {
@@ -132,8 +132,8 @@ func (s *officeServer) DeleteTag(_ context.Context, req *pbOffice.DeleteTagReq)
 func (s *officeServer) SetTag(_ context.Context, req *pbOffice.SetTagReq) (resp *pbOffice.SetTagResp, err error) {
 	log.NewInfo(req.OperationID, utils.GetSelfFuncName(), "req: ", req.String())
 	resp = &pbOffice.SetTagResp{CommonResp: &pbOffice.CommonResp{}}
-	IncreaseUserIDList := utils.RemoveUserIDRepByMap(req.IncreaseUserIDList)
-	reduceUserIDList := utils.RemoveUserIDRepByMap(req.ReduceUserIDList)
+	IncreaseUserIDList := utils.RemoveRepeatedStringInList(req.IncreaseUserIDList)
+	reduceUserIDList := utils.RemoveRepeatedStringInList(req.ReduceUserIDList)
 	if err := db.DB.SetTag(req.UserID, req.TagID, req.NewName, IncreaseUserIDList, reduceUserIDList); err != nil {
 		log.NewError(req.OperationID, utils.GetSelfFuncName(), "SetTag failed", err.Error())
 		resp.CommonResp.ErrMsg = constant.ErrDB.ErrMsg
@@ -171,7 +171,7 @@ func (s *officeServer) SendMsg2Tag(_ context.Context, req *pbOffice.SendMsg2TagR
 	userIDList = append(userIDList, tagUserIDList...)
 	userIDList = append(userIDList, groupUserIDList...)
 	userIDList = append(userIDList, req.UserList...)
-	userIDList = utils.RemoveUserIDRepByMap(userIDList)
+	userIDList = utils.RemoveRepeatedStringInList(userIDList)
 	for i, userID := range userIDList {
 		if userID == req.SendID || userID == "" {
 			userIDList = append(userIDList[:i], userIDList[i+1:]...)
diff --git a/pkg/common/db/mongoModel.go b/pkg/common/db/mongoModel.go
index bcc05a295..55324d0f1 100644
--- a/pkg/common/db/mongoModel.go
+++ b/pkg/common/db/mongoModel.go
@@ -491,7 +491,7 @@ func (d *DataBases) SetTag(userID, tagID, newName string, increaseUserIDList []s
 		}
 	}
 	tag.UserList = append(tag.UserList, increaseUserIDList...)
-	tag.UserList = utils.RemoveUserIDRepByMap(tag.UserList)
+	tag.UserList = utils.RemoveRepeatedStringInList(tag.UserList)
 	for _, v := range reduceUserIDList {
 		for i2, v2 := range tag.UserList {
 			if v == v2 {
diff --git a/pkg/utils/utils.go b/pkg/utils/utils.go
index f0e34aa90..d23b1633a 100644
--- a/pkg/utils/utils.go
+++ b/pkg/utils/utils.go
@@ -77,7 +77,7 @@ func OperationIDGenerator() string {
 	return strconv.FormatInt(time.Now().UnixNano()+int64(rand.Uint32()), 10)
 }
 
-func RemoveUserIDRepByMap(slc []string) []string {
+func RemoveRepeatedStringInList(slc []string) []string {
 	var result []string
 	tempMap := map[string]byte{}
 	for _, e := range slc {