diff --git a/pkg/multicloud/aliyun/charge.go b/pkg/multicloud/aliyun/charge.go
index d7e7a86dbf..5d2504e8cd 100644
--- a/pkg/multicloud/aliyun/charge.go
+++ b/pkg/multicloud/aliyun/charge.go
@@ -22,7 +22,7 @@ import (
 
 func convertChargeType(ct TChargeType) string {
 	switch ct {
-	case PrePaidInstanceChargeType:
+	case PrePaidInstanceChargeType, PrePaidDBInstanceChargeType:
 		return api.BILLING_TYPE_PREPAID
 	case PostPaidInstanceChargeType, PostPaidDBInstanceChargeType:
 		return api.BILLING_TYPE_POSTPAID
diff --git a/pkg/multicloud/aliyun/zone.go b/pkg/multicloud/aliyun/zone.go
index 8ba910e7da..816a41992c 100644
--- a/pkg/multicloud/aliyun/zone.go
+++ b/pkg/multicloud/aliyun/zone.go
@@ -31,6 +31,7 @@ type TChargeType string
 
 const (
 	PrePaidInstanceChargeType    TChargeType = "PrePaid"
+	PrePaidDBInstanceChargeType  TChargeType = "Prepaid"
 	PostPaidInstanceChargeType   TChargeType = "PostPaid"
 	PostPaidDBInstanceChargeType TChargeType = "Postpaid"
 	DefaultInstanceChargeType                = PostPaidInstanceChargeType