diff --git a/controller/relay-text.go b/controller/relay-text.go
index 9b68504a..66fc492d 100644
--- a/controller/relay-text.go
+++ b/controller/relay-text.go
@@ -221,7 +221,7 @@ func relayTextHelper(c *gin.Context, relayMode int) *OpenAIErrorWithStatusCode {
 	if err != nil {
 		return errorWrapper(err, "get_user_quota_failed", http.StatusInternalServerError)
 	}
-	if userQuota-preConsumedQuota < 0 {
+	if userQuota < 0 || userQuota-preConsumedQuota < 0 {
 		return errorWrapper(errors.New("user quota is not enough"), "insufficient_user_quota", http.StatusForbidden)
 	}
 	err = model.CacheDecreaseUserQuota(userId, preConsumedQuota)
@@ -232,7 +232,7 @@ func relayTextHelper(c *gin.Context, relayMode int) *OpenAIErrorWithStatusCode {
 		// in this case, we do not pre-consume quota
 		// because the user has enough quota
 		preConsumedQuota = 0
-		//common.LogInfo(c.Request.Context(), fmt.Sprintf("user %d has enough quota %d, trusted and no need to pre-consume", userId, userQuota))
+		common.LogInfo(c.Request.Context(), fmt.Sprintf("user %d has enough quota %d, trusted and no need to pre-consume", userId, userQuota))
 	}
 	if preConsumedQuota > 0 {
 		userQuota, err = model.PreConsumeTokenQuota(tokenId, preConsumedQuota)
diff --git a/controller/relay-utils.go b/controller/relay-utils.go
index 4b92aa42..733be4d2 100644
--- a/controller/relay-utils.go
+++ b/controller/relay-utils.go
@@ -233,7 +233,7 @@ func shouldDisableChannel(err *OpenAIError, statusCode int) bool {
 	if statusCode == http.StatusUnauthorized {
 		return true
 	}
-	if err.Type == "insufficient_quota" || err.Code == "invalid_api_key" || err.Code == "account_deactivated" {
+	if err.Type == "insufficient_quota" || err.Code == "invalid_api_key" || err.Code == "account_deactivated" || err.Code == "billing_not_active" {
 		return true
 	}
 	return false