diff --git a/api/reservation/reservation.go b/api/reservation/reservation.go
index bf5e722..c26c719 100644
--- a/api/reservation/reservation.go
+++ b/api/reservation/reservation.go
@@ -8,9 +8,10 @@ import (
 	"context"
 
 	"practice_Go/api/reservation/v1"
+	"practice_Go/internal/model/dto"
 )
 
 type IReservationV1 interface {
-	AddReservation(ctx context.Context, req *v1.AddReservationReq) (res *v1.AddReservationRes, err error)
-	DeleteReservation(ctx context.Context, req *v1.DeleteReservationReq) (res *v1.DeleteReservationRes, err error)
+	AddReservation(ctx context.Context, req *v1.AddReservationReq) (*dto.Result, error)
+	DeleteReservation(ctx context.Context, req *v1.DeleteReservationReq) (*dto.Result, error)
 }
diff --git a/api/subscription/subscription.go b/api/subscription/subscription.go
index 9d132d1..4e8b97e 100644
--- a/api/subscription/subscription.go
+++ b/api/subscription/subscription.go
@@ -8,9 +8,10 @@ import (
 	"context"
 
 	"practice_Go/api/subscription/v1"
+	"practice_Go/internal/model/dto"
 )
 
 type ISubscriptionV1 interface {
-	AddSubscription(ctx context.Context, req *v1.AddSubscriptionReq) (res *v1.AddSubscriptionRes, err error)
-	DeleteSubscription(ctx context.Context, req *v1.DeleteSubscriptionReq) (res *v1.DeleteSubscriptionRes, err error)
+	AddSubscription(ctx context.Context, req *v1.AddSubscriptionReq) (*dto.Result, error)
+	DeleteSubscription(ctx context.Context, req *v1.DeleteSubscriptionReq) (*dto.Result, error)
 }
diff --git a/internal/controller/reservation/reservation_v1_add_reservation.go b/internal/controller/reservation/reservation_v1_add_reservation.go
index 8f7f89a..d1eb781 100644
--- a/internal/controller/reservation/reservation_v1_add_reservation.go
+++ b/internal/controller/reservation/reservation_v1_add_reservation.go
@@ -6,16 +6,18 @@ import (
 	"practice_Go/api/reservation/v1"
 	"practice_Go/internal/dao"
 	"practice_Go/internal/model/do"
+	"practice_Go/internal/model/dto"
 )
 
-func (c *ControllerV1) AddReservation(ctx context.Context, req *v1.AddReservationReq) (res *v1.AddReservationRes, err error) {
-	res = &v1.AddReservationRes{}
-	_, err = dao.GoLiveReservations.Ctx(ctx).Data(do.GoLiveReservations{
+func (c *ControllerV1) AddReservation(ctx context.Context, req *v1.AddReservationReq) (*dto.Result, error) {
+	res := &v1.AddReservationRes{}
+	_, err := dao.GoLiveReservations.Ctx(ctx).Data(do.GoLiveReservations{
 		LiveId: req.Id,
 		UserId: req.UserId,
 	}).Insert()
-	if err == nil {
-		res.Success = true
+	if err != nil {
+		return dto.Error(err.Error()), nil
 	}
-	return
+	res.Success = true
+	return dto.SuccessWithData(res), nil
 }
diff --git a/internal/controller/reservation/reservation_v1_delete_reservation.go b/internal/controller/reservation/reservation_v1_delete_reservation.go
index 06f4042..4446cde 100644
--- a/internal/controller/reservation/reservation_v1_delete_reservation.go
+++ b/internal/controller/reservation/reservation_v1_delete_reservation.go
@@ -5,13 +5,15 @@ import (
 
 	"practice_Go/api/reservation/v1"
 	"practice_Go/internal/dao"
+	"practice_Go/internal/model/dto"
 )
 
-func (c *ControllerV1) DeleteReservation(ctx context.Context, req *v1.DeleteReservationReq) (res *v1.DeleteReservationRes, err error) {
-	res = &v1.DeleteReservationRes{}
-	_, err = dao.GoLiveReservations.Ctx(ctx).Wheref("live_id =? and user_id =?", req.Id, req.UserId).Delete()
-	if err == nil {
-		res.Success = true
+func (c *ControllerV1) DeleteReservation(ctx context.Context, req *v1.DeleteReservationReq) (*dto.Result, error) {
+	res := &v1.DeleteReservationRes{}
+	_, err := dao.GoLiveReservations.Ctx(ctx).Wheref("live_id =? and user_id =?", req.Id, req.UserId).Delete()
+	if err != nil {
+		return dto.Error(err.Error()), nil
 	}
-	return
+	res.Success = true
+	return dto.SuccessWithData(res), nil
 }
diff --git a/internal/controller/subscription/subscription_v1_add_subscription.go b/internal/controller/subscription/subscription_v1_add_subscription.go
index 83b3bc6..85513b3 100644
--- a/internal/controller/subscription/subscription_v1_add_subscription.go
+++ b/internal/controller/subscription/subscription_v1_add_subscription.go
@@ -6,16 +6,18 @@ import (
 	"practice_Go/api/subscription/v1"
 	"practice_Go/internal/dao"
 	"practice_Go/internal/model/do"
+	"practice_Go/internal/model/dto"
 )
 
-func (c *ControllerV1) AddSubscription(ctx context.Context, req *v1.AddSubscriptionReq) (res *v1.AddSubscriptionRes, err error) {
-	res = &v1.AddSubscriptionRes{}
-	_, err = dao.GoChannelSubscriptions.Ctx(ctx).Data(do.GoChannelSubscriptions{
+func (c *ControllerV1) AddSubscription(ctx context.Context, req *v1.AddSubscriptionReq) (*dto.Result, error) {
+	res := v1.AddSubscriptionRes{}
+	_, err := dao.GoChannelSubscriptions.Ctx(ctx).Data(do.GoChannelSubscriptions{
 		ChannelId: req.Id,
 		UserId:    req.UserId,
 	}).Insert()
-	if err == nil {
-		res.Success = true
+	if err != nil {
+		return dto.Error(err.Error()), nil
 	}
-	return
+	res.Success = true
+	return dto.SuccessWithData(res), nil
 }
diff --git a/internal/controller/subscription/subscription_v1_delete_subscription.go b/internal/controller/subscription/subscription_v1_delete_subscription.go
index 40e0a31..5a85b90 100644
--- a/internal/controller/subscription/subscription_v1_delete_subscription.go
+++ b/internal/controller/subscription/subscription_v1_delete_subscription.go
@@ -5,13 +5,15 @@ import (
 
 	"practice_Go/api/subscription/v1"
 	"practice_Go/internal/dao"
+	"practice_Go/internal/model/dto"
 )
 
-func (c *ControllerV1) DeleteSubscription(ctx context.Context, req *v1.DeleteSubscriptionReq) (res *v1.DeleteSubscriptionRes, err error) {
-	res = &v1.DeleteSubscriptionRes{}
-	_, err = dao.GoChannelSubscriptions.Ctx(ctx).Wheref("channel_id =? and user_id =?", req.Id, req.UserId).Delete()
-	if err == nil {
-		res.Success = true
+func (c *ControllerV1) DeleteSubscription(ctx context.Context, req *v1.DeleteSubscriptionReq) (*dto.Result, error) {
+	res := &v1.DeleteSubscriptionRes{}
+	_, err := dao.GoChannelSubscriptions.Ctx(ctx).Wheref("channel_id =? and user_id =?", req.Id, req.UserId).Delete()
+	if err != nil {
+		return dto.Error(err.Error()), nil
 	}
-	return
+	res.Success = true
+	return dto.SuccessWithData(res), nil
 }