diff --git a/internal/response/pagination.go b/internal/response/pagination.go
index e46f3cd..ad903ea 100644
--- a/internal/response/pagination.go
+++ b/internal/response/pagination.go
@@ -23,13 +23,13 @@ type Pagination struct {
 
 // PaginatedResponse is the standard structure for all paginated API responses.
 type PaginatedResponse struct {
-	Items      interface{} `json:"items"`
-	Pagination Pagination  `json:"pagination"`
+	Items      any        `json:"items"`
+	Pagination Pagination `json:"pagination"`
 }
 
 // Paginate performs pagination on a GORM query and returns a standardized response.
 // It takes a Gin context, a GORM query builder, and a destination slice for the results.
-func Paginate(c *gin.Context, query *gorm.DB, dest interface{}) (*PaginatedResponse, error) {
+func Paginate(c *gin.Context, query *gorm.DB, dest any) (*PaginatedResponse, error) {
 	// 1. Get page and page size from query parameters
 	page, err := strconv.Atoi(c.DefaultQuery("page", "1"))
 	if err != nil || page < 1 {
diff --git a/internal/services/key_cron_service.go b/internal/services/key_cron_service.go
index f69ce9d..5fd094e 100644
--- a/internal/services/key_cron_service.go
+++ b/internal/services/key_cron_service.go
@@ -190,7 +190,7 @@ func (s *KeyCronService) batchUpdateKeyStatus(keys []models.APIKey) {
 
 	err := s.DB.Transaction(func(tx *gorm.DB) error {
 		for _, key := range keys {
-			updates := map[string]interface{}{
+			updates := map[string]any{
 				"status":       key.Status,
 				"error_reason": key.ErrorReason,
 			}