diff --git a/apis/types.api b/apis/types.api
index 8249711..638415a 100644
--- a/apis/types.api
+++ b/apis/types.api
@@ -567,6 +567,7 @@ type (
 		FamilyId          int64  `json:"family_id"`
 		OwnerUserId       int64  `json:"owner_user_id"`
 		OwnerIdentifier   string `json:"owner_identifier"`
+		OwnerAuthType     string `json:"owner_auth_type"`
 		Status            string `json:"status"`
 		ActiveMemberCount int64  `json:"active_member_count"`
 		MaxMembers        int64  `json:"max_members"`
@@ -576,7 +577,9 @@ type (
 	FamilyMemberItem {
 		UserId     int64  `json:"user_id"`
 		Identifier string `json:"identifier"`
+		AuthType   string `json:"auth_type"`
 		DeviceNo   string `json:"device_no"`
+		DeviceType string `json:"device_type"`
 		Role       uint8  `json:"role"`
 		RoleName   string `json:"role_name"`
 		Status     uint8  `json:"status"`
diff --git a/internal/logic/admin/user/familyCommon.go b/internal/logic/admin/user/familyCommon.go
index 9e34456..f34fc5a 100644
--- a/internal/logic/admin/user/familyCommon.go
+++ b/internal/logic/admin/user/familyCommon.go
@@ -53,8 +53,13 @@ func normalizeFamilyStatusInput(status string) (uint8, bool) {
 	}
 }
 
-func findUserIdentifiers(ctx context.Context, db *gorm.DB, userIDs []int64) (map[int64]string, error) {
-	identifierMap := make(map[int64]string)
+type identifierInfo struct {
+	Identifier string
+	AuthType   string
+}
+
+func findUserIdentifiers(ctx context.Context, db *gorm.DB, userIDs []int64) (map[int64]identifierInfo, error) {
+	identifierMap := make(map[int64]identifierInfo)
 	if len(userIDs) == 0 {
 		return identifierMap, nil
 	}
@@ -92,8 +97,31 @@ func findUserIdentifiers(ctx context.Context, db *gorm.DB, userIDs []int64) (map
 			continue
 		}
 		selectedPriority[row.UserId] = currentPriority
-		identifierMap[row.UserId] = row.AuthIdentifier
+		identifierMap[row.UserId] = identifierInfo{
+			Identifier: row.AuthIdentifier,
+			AuthType:   row.AuthType,
+		}
 	}
 
 	return identifierMap, nil
 }
+
+func parseDeviceType(userAgent string) string {
+	ua := strings.ToLower(userAgent)
+	switch {
+	case strings.Contains(ua, "iphone"):
+		return "iPhone"
+	case strings.Contains(ua, "ipad"):
+		return "iPad"
+	case strings.Contains(ua, "android"):
+		return "Android"
+	case strings.Contains(ua, "windows"):
+		return "Windows"
+	case strings.Contains(ua, "macintosh"), strings.Contains(ua, "mac os"):
+		return "Mac"
+	case strings.Contains(ua, "linux"):
+		return "Linux"
+	default:
+		return ""
+	}
+}
diff --git a/internal/logic/admin/user/getFamilyDetailLogic.go b/internal/logic/admin/user/getFamilyDetailLogic.go
index b3ed335..6f71369 100644
--- a/internal/logic/admin/user/getFamilyDetailLogic.go
+++ b/internal/logic/admin/user/getFamilyDetailLogic.go
@@ -63,18 +63,22 @@ func (l *GetFamilyDetailLogic) GetFamilyDetail(req *types.GetFamilyDetailRequest
 		return nil, errors.Wrapf(xerr.NewErrCode(xerr.DatabaseQueryError), "query family member identifiers failed")
 	}
 
-	// 查出所有成员的设备，构建 userId → deviceNo 映射
+	// 查出所有成员的设备，构建 userId → deviceNo 映射 + deviceType 映射
 	deviceNoMap := make(map[int64]string)
+	deviceTypeMap := make(map[int64]string)
 	devices, _, _ := l.svcCtx.UserModel.QueryDeviceListByUserIds(l.ctx, userIDs)
 	for _, d := range devices {
 		if _, exists := deviceNoMap[d.UserId]; !exists {
 			deviceNoMap[d.UserId] = tool.DeviceIdToHash(d.Id)
+			deviceTypeMap[d.UserId] = parseDeviceType(d.UserAgent)
 		}
 	}
 
 	memberItems := make([]types.FamilyMemberItem, 0, len(members))
 	for _, member := range members {
-		identifier := identifierMap[member.UserId]
+		info := identifierMap[member.UserId]
+		identifier := info.Identifier
+		authType := info.AuthType
 		if identifier == "" {
 			identifier = strconv.FormatInt(member.UserId, 10)
 		}
@@ -82,7 +86,9 @@ func (l *GetFamilyDetailLogic) GetFamilyDetail(req *types.GetFamilyDetailRequest
 		memberItem := types.FamilyMemberItem{
 			UserId:     member.UserId,
 			Identifier: identifier,
-			DeviceNo	:   deviceNoMap[member.UserId],
+			AuthType:   authType,
+			DeviceNo:   deviceNoMap[member.UserId],
+			DeviceType: deviceTypeMap[member.UserId],
 			Role:       member.Role,
 			RoleName:   mapFamilyRoleName(member.Role),
 			Status:     member.Status,
@@ -96,7 +102,9 @@ func (l *GetFamilyDetailLogic) GetFamilyDetail(req *types.GetFamilyDetailRequest
 		memberItems = append(memberItems, memberItem)
 	}
 
-	ownerIdentifier := identifierMap[family.OwnerUserId]
+	ownerInfo := identifierMap[family.OwnerUserId]
+	ownerIdentifier := ownerInfo.Identifier
+	ownerAuthType := ownerInfo.AuthType
 	if ownerIdentifier == "" {
 		ownerIdentifier = strconv.FormatInt(family.OwnerUserId, 10)
 	}
@@ -106,6 +114,7 @@ func (l *GetFamilyDetailLogic) GetFamilyDetail(req *types.GetFamilyDetailRequest
 			FamilyId:          family.Id,
 			OwnerUserId:       family.OwnerUserId,
 			OwnerIdentifier:   ownerIdentifier,
+			OwnerAuthType:     ownerAuthType,
 			Status:            mapFamilyStatus(family.Status),
 			ActiveMemberCount: activeMemberCount,
 			MaxMembers:        family.MaxMembers,
diff --git a/internal/logic/admin/user/getFamilyListLogic.go b/internal/logic/admin/user/getFamilyListLogic.go
index 741edcb..89f394e 100644
--- a/internal/logic/admin/user/getFamilyListLogic.go
+++ b/internal/logic/admin/user/getFamilyListLogic.go
@@ -123,7 +123,9 @@ func (l *GetFamilyListLogic) GetFamilyList(req *types.GetFamilyListRequest) (*ty
 
 	list := make([]types.FamilySummary, 0, len(families))
 	for _, family := range families {
-		ownerIdentifier := identifierMap[family.OwnerUserId]
+		ownerInfo := identifierMap[family.OwnerUserId]
+		ownerIdentifier := ownerInfo.Identifier
+		ownerAuthType := ownerInfo.AuthType
 		if ownerIdentifier == "" {
 			ownerIdentifier = strconv.FormatInt(family.OwnerUserId, 10)
 		}
@@ -132,6 +134,7 @@ func (l *GetFamilyListLogic) GetFamilyList(req *types.GetFamilyListRequest) (*ty
 			FamilyId:          family.Id,
 			OwnerUserId:       family.OwnerUserId,
 			OwnerIdentifier:   ownerIdentifier,
+			OwnerAuthType:     ownerAuthType,
 			Status:            mapFamilyStatus(family.Status),
 			ActiveMemberCount: countMap[family.Id],
 			MaxMembers:        family.MaxMembers,
diff --git a/internal/types/types.go b/internal/types/types.go
index 92beb42..0b8866f 100644
--- a/internal/types/types.go
+++ b/internal/types/types.go
@@ -715,7 +715,9 @@ type FamilyDetail struct {
 type FamilyMemberItem struct {
 	UserId     int64  `json:"user_id"`
 	Identifier string `json:"identifier"`
+	AuthType   string `json:"auth_type"`
 	DeviceNo   string `json:"device_no"`
+	DeviceType string `json:"device_type"`
 	Role       uint8  `json:"role"`
 	RoleName   string `json:"role_name"`
 	Status     uint8  `json:"status"`
@@ -729,6 +731,7 @@ type FamilySummary struct {
 	FamilyId          int64  `json:"family_id"`
 	OwnerUserId       int64  `json:"owner_user_id"`
 	OwnerIdentifier   string `json:"owner_identifier"`
+	OwnerAuthType     string `json:"owner_auth_type"`
 	Status            string `json:"status"`
 	ActiveMemberCount int64  `json:"active_member_count"`
 	MaxMembers        int64  `json:"max_members"`