diff --git a/pkg/multicloud/aliyun/elasticcache_instance.go b/pkg/multicloud/aliyun/elasticcache_instance.go
index 6c52b5f8ee..c071b1aa25 100644
--- a/pkg/multicloud/aliyun/elasticcache_instance.go
+++ b/pkg/multicloud/aliyun/elasticcache_instance.go
@@ -626,7 +626,7 @@ func (self *SRegion) CreateIElasticcaches(ec *cloudprovider.SCloudElasticCacheIn
 	params["VpcId"] = ec.VpcId
 	params["VSwitchId"] = ec.NetworkId
 	params["ChargeType"] = ec.ChargeType
-	if ec.ChargeType == billing.BILLING_TYPE_PREPAID && ec.BC != nil {
+	if strings.ToLower(ec.ChargeType) == billing.BILLING_TYPE_PREPAID && ec.BC != nil {
 		if ec.BC.GetMonths() >= 1 && ec.BC.GetMonths() <= 9 {
 			params["Period"] = strconv.Itoa(ec.BC.GetMonths())
 		} else if ec.BC.GetMonths() == 12 || ec.BC.GetMonths() == 24 || ec.BC.GetMonths() == 36 {
diff --git a/pkg/multicloud/huawei/elasticcache_instance.go b/pkg/multicloud/huawei/elasticcache_instance.go
index a0b7630611..a1e697c276 100644
--- a/pkg/multicloud/huawei/elasticcache_instance.go
+++ b/pkg/multicloud/huawei/elasticcache_instance.go
@@ -468,7 +468,7 @@ func (self *SRegion) CreateIElasticcaches(ec *cloudprovider.SCloudElasticCacheIn
 		params.Set("maintain_end", jsonutils.NewString(ec.MaintainEnd))
 	}
 
-	if ec.ChargeType == billing_api.BILLING_TYPE_PREPAID && ec.BC != nil {
+	if strings.ToLower(ec.ChargeType) == billing_api.BILLING_TYPE_PREPAID && ec.BC != nil {
 		bssParam := jsonutils.NewDict()
 		bssParam.Set("charging_mode", jsonutils.NewString("prePaid"))
 		bssParam.Set("is_auto_pay", jsonutils.NewString("true"))