diff --git a/app/md/member_center/md_user_management.go b/app/md/member_center/md_user_management.go
index b5e98d6..deb1ef3 100644
--- a/app/md/member_center/md_user_management.go
+++ b/app/md/member_center/md_user_management.go
@@ -95,7 +95,7 @@ type UserManagementUpdateUserInfoReq struct {
 
 type TagNode struct {
 	TagID   int    `json:"tag_id"`   // 标签 ID
-	TagName string `json:"tag_name"` // 标签 名称
+	TagName string `json:"tag_name"` // 标签名称
 }
 
 type BasicInfoNode struct {
@@ -179,3 +179,14 @@ type UserManagementGetVirtualCoinDetailResp struct {
 	List     []VirtualCoinDetailNode  `json:"list"`
 	Paginate Paginate                 `json:"paginate"`
 }
+
+type UserManagementAddTagReq struct {
+	Uid   int64  `json:"uid"`    // 用户 ID
+	TagId string `json:"tag_id"` // 标签 ID
+	Memo  string `json:"memo"`   // 标签备注
+}
+
+type UserManagementDelTagReq struct {
+	Uid   int64  `json:"uid"`    // 用户 ID
+	TagId string `json:"tag_id"` // 标签 ID
+}
diff --git a/app/svc/member_center/svc_user_management.go b/app/svc/member_center/svc_user_management.go
index aa5ed5b..e8976f7 100644
--- a/app/svc/member_center/svc_user_management.go
+++ b/app/svc/member_center/svc_user_management.go
@@ -133,16 +133,19 @@ func UserManagementUpdateUserInfo(engine *xorm.Engine, req *md.UserManagementUpd
 	if err != nil {
 		return 0, err
 	}
-	if records != nil {
-		recordIds := make([]int, 0)
-		for _, record := range *records {
-			recordIds = append(recordIds, record.Id)
-		}
-
-		// 删除所有用户的所有标签记录
+	oldRecordIds := make([]string, 0)
+	for _, record := range *records {
+		oldRecordIds = append(oldRecordIds, utils.IntToStr(record.Id))
+	}
+	newRecordIds := strings.Split(req.Tag, ",")
+	// 需要删除的标签
+	delTags := utils.DiffArray(oldRecordIds, newRecordIds)
+	addTags := utils.DiffArray(newRecordIds, oldRecordIds)
+	if delTags != nil {
+		// 删除不需要的标签记录
 		_, err := recordsDb.UserTagRecordsDeleteBySession(session, map[string]interface{}{
 			"key":   "id",
-			"value": recordIds,
+			"value": delTags,
 		})
 		if err != nil {
 			return 0, err
@@ -153,8 +156,7 @@ func UserManagementUpdateUserInfo(engine *xorm.Engine, req *md.UserManagementUpd
 	if req.Tag != "" {
 		newRecords := make([]*model.UserTagRecords, 0)
 		now := time.Now()
-		tags := strings.Split(req.Tag, ",")
-		for _, tag := range tags {
+		for _, tag := range addTags {
 			newRecord := &model.UserTagRecords{
 				TagId:    utils.StrToInt(tag),
 				Uid:      req.UID,
diff --git a/go.mod b/go.mod
index 59e8bd1..96d220c 100644
--- a/go.mod
+++ b/go.mod
@@ -33,7 +33,7 @@ require (
 )
 
 require (
-	code.fnuoos.com/EggPlanet/egg_models.git v0.2.1-0.20241206115326-8cbc93c7c64d
+	code.fnuoos.com/EggPlanet/egg_models.git v0.2.1-0.20241207021144-5eb7d8513c6a
 	code.fnuoos.com/EggPlanet/egg_system_rules.git v0.0.4-0.20241205075006-9c0bf995c788
 	code.fnuoos.com/go_rely_warehouse/zyos_go_es.git v1.0.1-0.20241118083738-0f22da9ba0be
 	code.fnuoos.com/go_rely_warehouse/zyos_go_mq.git v0.0.5