diff --git a/service/quota.go b/service/quota.go
index 98b8530f..2cae93de 100644
--- a/service/quota.go
+++ b/service/quota.go
@@ -95,11 +95,11 @@ func PreWssConsumeQuota(ctx *gin.Context, relayInfo *relaycommon.RelayInfo, usag
 	quota := calculateAudioQuota(quotaInfo)
 
 	if userQuota < quota {
-		return errors.New(fmt.Sprintf("用户额度不足，剩余额度为 %d", userQuota))
+		return fmt.Errorf("user quota is not enough, user quota: %s, need quota: %s", common.FormatQuota(userQuota), common.FormatQuota(quota))
 	}
 
 	if !token.UnlimitedQuota && token.RemainQuota < quota {
-		return errors.New(fmt.Sprintf("令牌额度不足，剩余额度为 %d", token.RemainQuota))
+		return fmt.Errorf("token quota is not enough, token remain quota: %s, need quota: %s", common.FormatQuota(token.RemainQuota), common.FormatQuota(quota))
 	}
 
 	err = PostConsumeQuota(relayInfo, quota, 0, false)
@@ -262,7 +262,7 @@ func PreConsumeTokenQuota(relayInfo *relaycommon.RelayInfo, quota int) error {
 		return err
 	}
 	if !relayInfo.TokenUnlimited && token.RemainQuota < quota {
-		return errors.New("令牌额度不足")
+		return fmt.Errorf("token quota is not enough, token remain quota: %s, need quota: %s", common.FormatQuota(token.RemainQuota), common.FormatQuota(quota))
 	}
 	err = model.DecreaseTokenQuota(relayInfo.TokenId, relayInfo.TokenKey, quota)
 	if err != nil {