diff --git a/internal/feed/entity.go b/internal/feed/entity.go
index 43d0730..a5abe4b 100644
--- a/internal/feed/entity.go
+++ b/internal/feed/entity.go
@@ -29,13 +29,20 @@ type ListLatestResponse struct {
 }
 
 type ListLikesCountRequest struct {
-	Limit      int   `json:"limit"`
-	LikesCount int64 `json:"likes_count"`
+	Limit            int    `json:"limit"`
+	LikesCountBefore *int64 `json:"likes_count_before,omitempty"`
+	IDBefore         *uint  `json:"id_before,omitempty"`
+}
+
+type LikesCountCursor struct {
+	LikesCount  int64
+	ID          uint
 }
 
 type ListLikesCountResponse struct {
 	VideoList            []FeedVideoItem `json:"video_list"`
-	NextLikesCountBefore int64           `json:"next_likes_count_before"`
+	NextLikesCountBefore *int64          `json:"next_likes_count_before,omitempty"`
+	NextIDBefore         *uint           `json:"next_id_before,omitempty"`
 	HasMore              bool            `json:"has_more"`
 }
 
diff --git a/internal/social/entity.go b/internal/social/entity.go
index 6fc5842..17d9e9b 100644
--- a/internal/social/entity.go
+++ b/internal/social/entity.go
@@ -4,8 +4,8 @@ import "feedsystem_video_go/internal/account"
 
 type Social struct {
 	ID         uint `gorm:"primaryKey"`
-	FollowerID uint `gorm:"index"`
-	VloggerID  uint `gorm:"index"`
+	FollowerID uint `gorm:"not null;index:idx_social_follower;uniqueIndex:idx_social_follower_vlogger"`
+	VloggerID  uint `gorm:"not null;index:idx_social_vlogger;uniqueIndex:idx_social_follower_vlogger"`
 }
 
 type FollowRequest struct {