diff --git a/tencentcloud/services/postgresql/extension_postgresql.go b/tencentcloud/services/postgresql/extension_postgresql.go
index 8f914ccb33..d8c8ce7991 100644
--- a/tencentcloud/services/postgresql/extension_postgresql.go
+++ b/tencentcloud/services/postgresql/extension_postgresql.go
@@ -10,7 +10,7 @@ const (
 	COMMON_PAYTYPE_POSTPAID = "POSTPAID_BY_HOUR"
 )
 
-var POSTGRESQL_PAYTYPE = []string{COMMON_PAYTYPE_POSTPAID}
+var POSTGRESQL_PAYTYPE = []string{COMMON_PAYTYPE_POSTPAID, COMMON_PAYTYPE_PREPAID}
 
 const (
 	POSTGRESQL_DB_VERSION_9_3_5 = "9.3.5"