diff --git a/modules/level/scheduler.go b/modules/level/scheduler.go
index 2cc3ed2..26a8e3b 100644
--- a/modules/level/scheduler.go
+++ b/modules/level/scheduler.go
@@ -46,8 +46,14 @@ func ScheduleUpdates(s *discordgo.Session) {
 						return
 					}
 					if newLevel > oldLevel {
-						gacha.RollReward(s, checkID, newLevel-oldLevel)
-						roles.GiveLevelRoles(s, checkID, oldLevel, newLevel)
+						err = gacha.RollReward(s, checkID, newLevel-oldLevel)
+						if err != nil {
+							log.Error(s, err)
+						}
+						err = roles.GiveLevelRoles(s, checkID, oldLevel, newLevel)
+						if err != nil {
+							log.Error(s, err)
+						}
 					}
 				}(id, level)
 			}
diff --git a/modules/roles/assigner.go b/modules/roles/assigner.go
index 0cb550f..4a0eeae 100644
--- a/modules/roles/assigner.go
+++ b/modules/roles/assigner.go
@@ -7,10 +7,14 @@ import (
 	"PermissionGacha/modules/log"
 )
 
-func GiveLevelRoles(s *discordgo.Session, discordID string, oldLevel, newLevel int) {
+func GiveLevelRoles(s *discordgo.Session, discordID string, oldLevel, newLevel int) error {
 	for i := oldLevel + 1; i <= newLevel; i++ {
-		s.GuildMemberRoleAdd(config.GuildID, discordID, config.LevelRoles[i-1])
+		err := s.GuildMemberRoleAdd(config.GuildID, discordID, config.LevelRoles[i-1])
+		if err != nil {
+			return err
+		}
 	}
+	return nil
 }
 
 func RemoveAllLevelRoles(s *discordgo.Session, discordID string) {