diff --git a/composer.json b/composer.json
index 9fd24b2..87bdcfd 100644
--- a/composer.json
+++ b/composer.json
@@ -13,7 +13,7 @@
         }
     ],
     "require": {
-        "tencentcloud/common": "3.0.906"
+        "tencentcloud/common": "3.0.907"
     },
     "autoload": {
         "psr-4": {
diff --git a/src/TencentCloud/Postgres/V20170312/Models/CreateInstancesRequest.php b/src/TencentCloud/Postgres/V20170312/Models/CreateInstancesRequest.php
index 5cd50f8..6ba0a34 100644
--- a/src/TencentCloud/Postgres/V20170312/Models/CreateInstancesRequest.php
+++ b/src/TencentCloud/Postgres/V20170312/Models/CreateInstancesRequest.php
@@ -102,6 +102,8 @@
 "af_ZA", "sq_AL", "ar_DZ", "ar_BH", "ar_EG", "ar_IQ", "ar_JO", "ar_KW", "ar_LB", "ar_LY", "ar_MA", "ar_OM", "ar_QA", "ar_SA", "ar_SY", "ar_TN", "ar_AE", "ar_YE", "hy_AM", "az_Cyrl_AZ", "az_Latn_AZ", "eu_ES", "be_BY", "bg_BG", "ca_ES", "zh_HK", "zh_MO", "zh_CN", "zh_SG", "zh_TW", "hr_HR", "cs_CZ", "da_DK", "nl_BE", "nl_NL", "en_AU", "en_BZ", "en_CA", "en_IE", "en_JM", "en_NZ", "en_PH", "en_ZA", "en_TT", "en_GB", "en_US", "en_ZW", "et_EE", "fo_FO", "fa_IR", "fi_FI", "fr_BE", "fr_CA", "fr_FR", "fr_LU", "fr_MC", "fr_CH", "mk_MK", "ka_GE", "de_AT", "de_DE", "de_LI", "de_LU", "de_CH", "el_GR", "gu_IN", "he_IL", "hi_IN", "hu_HU", "is_IS", "id_ID", "it_IT", "it_CH", "ja_JP", "kn_IN", "kok_IN", "ko_KR", "ky_KG", "lv_LV", "lt_LT", "ms_BN", "ms_MY", "mr_IN", "mn_MN", "nb_NO", "nn_NO", "pl_PL", "pt_BR", "pt_PT", "pa_IN", "ro_RO", "ru_RU", "sa_IN", "sr_Cyrl_RS", "sr_Latn_RS", "sk_SK", "sl_SI", "es_AR", "es_BO", "es_CL", "es_CO", "es_CR", "es_DO", "es_EC", "es_SV", "es_GT", "es_HN", "es_MX", "es_NI", "es_PA", "es_PY","es_PE", "es_PR", "es_ES", "es_TRADITIONAL", "es_UY", "es_VE", "sw_KE", "sv_FI", "sv_SE", "tt_RU", "te_IN", "th_TH", "tr_TR", "uk_UA", "ur_IN", "ur_PK", "uz_Cyrl_UZ", "uz_Latn_UZ", "vi_VN"。
 serverCollationName：排序规则名称，可选参数，在初始化后不可修改，默认为sql_latin1_general_cp1_ci_as，可选值如下：
 "bbf_unicode_general_ci_as", "bbf_unicode_cp1_ci_as", "bbf_unicode_CP1250_ci_as", "bbf_unicode_CP1251_ci_as", "bbf_unicode_cp1253_ci_as", "bbf_unicode_cp1254_ci_as", "bbf_unicode_cp1255_ci_as", "bbf_unicode_cp1256_ci_as", "bbf_unicode_cp1257_ci_as", "bbf_unicode_cp1258_ci_as", "bbf_unicode_cp874_ci_as", "sql_latin1_general_cp1250_ci_as", "sql_latin1_general_cp1251_ci_as", "sql_latin1_general_cp1_ci_as", "sql_latin1_general_cp1253_ci_as", "sql_latin1_general_cp1254_ci_as", "sql_latin1_general_cp1255_ci_as","sql_latin1_general_cp1256_ci_as", "sql_latin1_general_cp1257_ci_as", "sql_latin1_general_cp1258_ci_as", "chinese_prc_ci_as", "cyrillic_general_ci_as", "finnish_swedish_ci_as", "french_ci_as", "japanese_ci_as", "korean_wansung_ci_as", "latin1_general_ci_as", "modern_spanish_ci_as", "polish_ci_as", "thai_ci_as", "traditional_spanish_ci_as", "turkish_ci_as", "ukrainian_ci_as", "vietnamese_ci_as"。
+ * @method string getSyncMode() 获取主从同步方式，取值： 1)Semi-sync：半同步 2)Async：异步 默认为Async
+ * @method void setSyncMode(string $SyncMode) 设置主从同步方式，取值： 1)Semi-sync：半同步 2)Async：异步 默认为Async
  */
 class CreateInstancesRequest extends AbstractModel
 {
@@ -262,6 +264,11 @@ class CreateInstancesRequest extends AbstractModel
      */
     public $DBEngineConfig;
 
+    /**
+     * @var string 主从同步方式，取值： 1)Semi-sync：半同步 2)Async：异步 默认为Async
+     */
+    public $SyncMode;
+
     /**
      * @param string $SpecCode 售卖规格ID。该参数可以通过调用DescribeClasses的返回值中的SpecCode字段来获取。
      * @param integer $Storage 实例容量大小，单位：GB。
@@ -304,6 +311,7 @@ class CreateInstancesRequest extends AbstractModel
 "af_ZA", "sq_AL", "ar_DZ", "ar_BH", "ar_EG", "ar_IQ", "ar_JO", "ar_KW", "ar_LB", "ar_LY", "ar_MA", "ar_OM", "ar_QA", "ar_SA", "ar_SY", "ar_TN", "ar_AE", "ar_YE", "hy_AM", "az_Cyrl_AZ", "az_Latn_AZ", "eu_ES", "be_BY", "bg_BG", "ca_ES", "zh_HK", "zh_MO", "zh_CN", "zh_SG", "zh_TW", "hr_HR", "cs_CZ", "da_DK", "nl_BE", "nl_NL", "en_AU", "en_BZ", "en_CA", "en_IE", "en_JM", "en_NZ", "en_PH", "en_ZA", "en_TT", "en_GB", "en_US", "en_ZW", "et_EE", "fo_FO", "fa_IR", "fi_FI", "fr_BE", "fr_CA", "fr_FR", "fr_LU", "fr_MC", "fr_CH", "mk_MK", "ka_GE", "de_AT", "de_DE", "de_LI", "de_LU", "de_CH", "el_GR", "gu_IN", "he_IL", "hi_IN", "hu_HU", "is_IS", "id_ID", "it_IT", "it_CH", "ja_JP", "kn_IN", "kok_IN", "ko_KR", "ky_KG", "lv_LV", "lt_LT", "ms_BN", "ms_MY", "mr_IN", "mn_MN", "nb_NO", "nn_NO", "pl_PL", "pt_BR", "pt_PT", "pa_IN", "ro_RO", "ru_RU", "sa_IN", "sr_Cyrl_RS", "sr_Latn_RS", "sk_SK", "sl_SI", "es_AR", "es_BO", "es_CL", "es_CO", "es_CR", "es_DO", "es_EC", "es_SV", "es_GT", "es_HN", "es_MX", "es_NI", "es_PA", "es_PY","es_PE", "es_PR", "es_ES", "es_TRADITIONAL", "es_UY", "es_VE", "sw_KE", "sv_FI", "sv_SE", "tt_RU", "te_IN", "th_TH", "tr_TR", "uk_UA", "ur_IN", "ur_PK", "uz_Cyrl_UZ", "uz_Latn_UZ", "vi_VN"。
 serverCollationName：排序规则名称，可选参数，在初始化后不可修改，默认为sql_latin1_general_cp1_ci_as，可选值如下：
 "bbf_unicode_general_ci_as", "bbf_unicode_cp1_ci_as", "bbf_unicode_CP1250_ci_as", "bbf_unicode_CP1251_ci_as", "bbf_unicode_cp1253_ci_as", "bbf_unicode_cp1254_ci_as", "bbf_unicode_cp1255_ci_as", "bbf_unicode_cp1256_ci_as", "bbf_unicode_cp1257_ci_as", "bbf_unicode_cp1258_ci_as", "bbf_unicode_cp874_ci_as", "sql_latin1_general_cp1250_ci_as", "sql_latin1_general_cp1251_ci_as", "sql_latin1_general_cp1_ci_as", "sql_latin1_general_cp1253_ci_as", "sql_latin1_general_cp1254_ci_as", "sql_latin1_general_cp1255_ci_as","sql_latin1_general_cp1256_ci_as", "sql_latin1_general_cp1257_ci_as", "sql_latin1_general_cp1258_ci_as", "chinese_prc_ci_as", "cyrillic_general_ci_as", "finnish_swedish_ci_as", "french_ci_as", "japanese_ci_as", "korean_wansung_ci_as", "latin1_general_ci_as", "modern_spanish_ci_as", "polish_ci_as", "thai_ci_as", "traditional_spanish_ci_as", "turkish_ci_as", "ukrainian_ci_as", "vietnamese_ci_as"。
+     * @param string $SyncMode 主从同步方式，取值： 1)Semi-sync：半同步 2)Async：异步 默认为Async
      */
     function __construct()
     {
@@ -443,5 +451,9 @@ public function deserialize($param)
         if (array_key_exists("DBEngineConfig",$param) and $param["DBEngineConfig"] !== null) {
             $this->DBEngineConfig = $param["DBEngineConfig"];
         }
+
+        if (array_key_exists("SyncMode",$param) and $param["SyncMode"] !== null) {
+            $this->SyncMode = $param["SyncMode"];
+        }
     }
 }
diff --git a/src/TencentCloud/Postgres/V20170312/PostgresClient.php b/src/TencentCloud/Postgres/V20170312/PostgresClient.php
index 3d177e6..7a1aa8e 100644
--- a/src/TencentCloud/Postgres/V20170312/PostgresClient.php
+++ b/src/TencentCloud/Postgres/V20170312/PostgresClient.php
@@ -25,8 +25,8 @@
 /**
  * @method Models\AddDBInstanceToReadOnlyGroupResponse AddDBInstanceToReadOnlyGroup(Models\AddDBInstanceToReadOnlyGroupRequest $req) 本接口（AddDBInstanceToReadOnlyGroup）用于添加只读实例到只读组
  * @method Models\CloneDBInstanceResponse CloneDBInstance(Models\CloneDBInstanceRequest $req) 用于克隆实例，支持指定备份集、指定时间点进行克隆。
- * @method Models\CloseDBExtranetAccessResponse CloseDBExtranetAccess(Models\CloseDBExtranetAccessRequest $req) 本接口（CloseDBExtranetAccess）用于关闭实例外网链接。
- * @method Models\CloseServerlessDBExtranetAccessResponse CloseServerlessDBExtranetAccess(Models\CloseServerlessDBExtranetAccessRequest $req) 关闭serverlessDB实例外网
+ * @method Models\CloseDBExtranetAccessResponse CloseDBExtranetAccess(Models\CloseDBExtranetAccessRequest $req) 本接口（CloseDBExtranetAccess）用于关闭实例公网地址。
+ * @method Models\CloseServerlessDBExtranetAccessResponse CloseServerlessDBExtranetAccess(Models\CloseServerlessDBExtranetAccessRequest $req) 本接口（CloseServerlessDBExtranetAccess）用于关闭serverlessDB实例公网地址
  * @method Models\CreateBaseBackupResponse CreateBaseBackup(Models\CreateBaseBackupRequest $req) 本接口（CreateBaseBackup）用于创建实例的全量备份。
  * @method Models\CreateDBInstanceNetworkAccessResponse CreateDBInstanceNetworkAccess(Models\CreateDBInstanceNetworkAccessRequest $req) 本接口（CreateDBInstanceNetworkAccess）用于创建实例网络。
  * @method Models\CreateDBInstancesResponse CreateDBInstances(Models\CreateDBInstancesRequest $req) 本接口（CreateDBInstances）用于创建一个或者多个PostgreSQL实例,仅发货实例不会进行初始化。本接口已废弃，推荐使用接口[CreateInstances](https://cloud.tencent.com/document/api/409/56107)替代。
@@ -43,10 +43,10 @@
  * @method Models\DeleteReadOnlyGroupResponse DeleteReadOnlyGroup(Models\DeleteReadOnlyGroupRequest $req) 本接口(DeleteReadOnlyGroup)用于删除指定的只读组
  * @method Models\DeleteReadOnlyGroupNetworkAccessResponse DeleteReadOnlyGroupNetworkAccess(Models\DeleteReadOnlyGroupNetworkAccessRequest $req) 可对RO组进行网络的删除操作。
  * @method Models\DeleteServerlessDBInstanceResponse DeleteServerlessDBInstance(Models\DeleteServerlessDBInstanceRequest $req) 本接口 (DeleteServerlessDBInstance) 用于删除一个ServerlessDB实例。
- * @method Models\DescribeAccountsResponse DescribeAccounts(Models\DescribeAccountsRequest $req) 本接口（DescribeAccounts）用于获取实例用户列表。
+ * @method Models\DescribeAccountsResponse DescribeAccounts(Models\DescribeAccountsRequest $req) 本接口（DescribeAccounts）用于查询实例的数据库账号列表。
  * @method Models\DescribeAvailableRecoveryTimeResponse DescribeAvailableRecoveryTime(Models\DescribeAvailableRecoveryTimeRequest $req) 本接口（DescribeAvailableRecoveryTime）用于查询实例可恢复的时间范围。
  * @method Models\DescribeBackupDownloadRestrictionResponse DescribeBackupDownloadRestriction(Models\DescribeBackupDownloadRestrictionRequest $req) 本接口（DescribeBackupDownloadRestriction）用于查询备份文件下载限制。
- * @method Models\DescribeBackupDownloadURLResponse DescribeBackupDownloadURL(Models\DescribeBackupDownloadURLRequest $req) 本接口 (DescribeBackupDownloadURL) 用于获取备份下载链接。
+ * @method Models\DescribeBackupDownloadURLResponse DescribeBackupDownloadURL(Models\DescribeBackupDownloadURLRequest $req) 本接口 (DescribeBackupDownloadURL) 用于查询指定备份集的下载地址，可包括全量备份集、增量日志备份集。
  * @method Models\DescribeBackupOverviewResponse DescribeBackupOverview(Models\DescribeBackupOverviewRequest $req) 本接口（DescribeBackupOverview）用于查询用户的备份概览信息。返回用户当前备份个数、备份占用容量、免费容量、收费容量等信息（容量单位为字节）。
  * @method Models\DescribeBackupPlansResponse DescribeBackupPlans(Models\DescribeBackupPlansRequest $req) 本接口 (DescribeBackupPlans) 用于实例所有的备份计划查询
  * @method Models\DescribeBackupSummariesResponse DescribeBackupSummaries(Models\DescribeBackupSummariesRequest $req) 本接口(DescribeBackupSummaries)用于查询实例备份的统计信息，返回以实例为维度的备份个数、占用容量等信息（容量单位为字节）。
@@ -57,30 +57,30 @@
  * @method Models\DescribeDBErrlogsResponse DescribeDBErrlogs(Models\DescribeDBErrlogsRequest $req) 本接口（DescribeDBErrlogs）用于查询错误日志。
  * @method Models\DescribeDBInstanceAttributeResponse DescribeDBInstanceAttribute(Models\DescribeDBInstanceAttributeRequest $req) 本接口 (DescribeDBInstanceAttribute) 用于查询某个实例的详情信息。
  * @method Models\DescribeDBInstanceParametersResponse DescribeDBInstanceParameters(Models\DescribeDBInstanceParametersRequest $req) 获取实例可修改参数列表
- * @method Models\DescribeDBInstanceSecurityGroupsResponse DescribeDBInstanceSecurityGroups(Models\DescribeDBInstanceSecurityGroupsRequest $req) 本接口（DescribeDBInstanceSecurityGroups）用于查询实例安全组信息。
+ * @method Models\DescribeDBInstanceSecurityGroupsResponse DescribeDBInstanceSecurityGroups(Models\DescribeDBInstanceSecurityGroupsRequest $req) 本接口（DescribeDBInstanceSecurityGroups）用于查询实例安全组。
  * @method Models\DescribeDBInstancesResponse DescribeDBInstances(Models\DescribeDBInstancesRequest $req) 本接口 (DescribeDBInstances) 用于查询一个或多个实例的详细信息。
  * @method Models\DescribeDBSlowlogsResponse DescribeDBSlowlogs(Models\DescribeDBSlowlogsRequest $req) 本接口（DescribeDBSlowlogs）用于获取慢查询日志。本接口已于2021.09.01日废弃，后续此接口将不再返回任何数据，推荐使用接口[DescribeSlowQueryList](https://cloud.tencent.com/document/api/409/60540)替代。
- * @method Models\DescribeDBVersionsResponse DescribeDBVersions(Models\DescribeDBVersionsRequest $req) 本接口（DescribeDBVersions）用于查询支持的数据库版本号列表。
+ * @method Models\DescribeDBVersionsResponse DescribeDBVersions(Models\DescribeDBVersionsRequest $req) 本接口（DescribeDBVersions）用于查询支持的数据库版本。
  * @method Models\DescribeDBXlogsResponse DescribeDBXlogs(Models\DescribeDBXlogsRequest $req) 本接口（DescribeDBXlogs）用于获取实例Xlog列表。本接口已废弃，推荐使用接口[DescribeLogBackups](https://cloud.tencent.com/document/api/409/89021)替代。
- * @method Models\DescribeDatabasesResponse DescribeDatabases(Models\DescribeDatabasesRequest $req) 接口（DescribeDatabases）用来拉取数据库列表
+ * @method Models\DescribeDatabasesResponse DescribeDatabases(Models\DescribeDatabasesRequest $req) 接口（DescribeDatabases）用来查询实例的数据库列表。
  * @method Models\DescribeDefaultParametersResponse DescribeDefaultParameters(Models\DescribeDefaultParametersRequest $req) 本接口（DescribeDefaultParameters）主要用于查询某个数据库版本和引擎支持的所有参数。
- * @method Models\DescribeEncryptionKeysResponse DescribeEncryptionKeys(Models\DescribeEncryptionKeysRequest $req) 获取实例的密钥信息列表。
+ * @method Models\DescribeEncryptionKeysResponse DescribeEncryptionKeys(Models\DescribeEncryptionKeysRequest $req) 本接口 （DescribeEncryptionKeys） 用于查询实例的密钥信息列表。
  * @method Models\DescribeLogBackupsResponse DescribeLogBackups(Models\DescribeLogBackupsRequest $req) 本接口（DescribeLogBackups）用于查询日志备份列表。
  * @method Models\DescribeOrdersResponse DescribeOrders(Models\DescribeOrdersRequest $req) 本接口（DescribeOrders）用于查询订单信息。
  * @method Models\DescribeParameterTemplateAttributesResponse DescribeParameterTemplateAttributes(Models\DescribeParameterTemplateAttributesRequest $req) 本接口（DescribeParameterTemplateAttributes）用于查询某个参数模板的具体内容，包括基本信息和参数信息。
  * @method Models\DescribeParameterTemplatesResponse DescribeParameterTemplates(Models\DescribeParameterTemplatesRequest $req) 本接口 (DescribeParameterTemplates) 用于查询参数模板列表。
- * @method Models\DescribeParamsEventResponse DescribeParamsEvent(Models\DescribeParamsEventRequest $req) 本接口 (DescribeParamsEvent) 用于查询参数修改事件详情。
+ * @method Models\DescribeParamsEventResponse DescribeParamsEvent(Models\DescribeParamsEventRequest $req) 本接口（DescribeParamsEvent）用于查询参数修改事件。
  * @method Models\DescribeProductConfigResponse DescribeProductConfig(Models\DescribeProductConfigRequest $req) 本接口（DescribeProductConfig）用于查询售卖规格配置。本接口已废弃，推荐使用新接口[DescribeClasses](https://cloud.tencent.com/document/api/409/89019)。
- * @method Models\DescribeReadOnlyGroupsResponse DescribeReadOnlyGroups(Models\DescribeReadOnlyGroupsRequest $req) 本接口(DescribeReadOnlyGroups)用于查询用户输入指定实例的只读组
+ * @method Models\DescribeReadOnlyGroupsResponse DescribeReadOnlyGroups(Models\DescribeReadOnlyGroupsRequest $req) 本接口（DescribeReadOnlyGroups）用于查询只读组列表
  * @method Models\DescribeRegionsResponse DescribeRegions(Models\DescribeRegionsRequest $req) 本接口 (DescribeRegions) 用于查询售卖地域信息。
  * @method Models\DescribeServerlessDBInstancesResponse DescribeServerlessDBInstances(Models\DescribeServerlessDBInstancesRequest $req) 用于查询一个或多个serverlessDB实例的详细信息
  * @method Models\DescribeSlowQueryAnalysisResponse DescribeSlowQueryAnalysis(Models\DescribeSlowQueryAnalysisRequest $req) 此接口（DescribeSlowQueryAnalysis）用于统计指定时间范围内的所有慢查询，根据SQL语句抽象参数后，进行聚合分析，并返回同类SQL列表。
  * @method Models\DescribeSlowQueryListResponse DescribeSlowQueryList(Models\DescribeSlowQueryListRequest $req) 此接口（DescribeSlowQueryList）用于查询指定时间范围内的所有慢查询。
  * @method Models\DescribeZonesResponse DescribeZones(Models\DescribeZonesRequest $req) 本接口 (DescribeZones) 用于查询支持的可用区信息。
- * @method Models\DestroyDBInstanceResponse DestroyDBInstance(Models\DestroyDBInstanceRequest $req) 本接口 (DestroyDBInstance) 用于彻底销毁指定DBInstanceId对应的实例，销毁后实例数据将彻底删除，无法找回，只能销毁隔离中的实例。
+ * @method Models\DestroyDBInstanceResponse DestroyDBInstance(Models\DestroyDBInstanceRequest $req) 本接口 (DestroyDBInstance) 用于彻底销毁指定DBInstanceId对应的实例，销毁后实例数据将彻底删除，无法找回，调用前请仔细确认要操作的实例。只能销毁隔离中的实例。
  * @method Models\DisIsolateDBInstancesResponse DisIsolateDBInstances(Models\DisIsolateDBInstancesRequest $req) 本接口（DisIsolateDBInstances）用于解隔离实例
  * @method Models\InitDBInstancesResponse InitDBInstances(Models\InitDBInstancesRequest $req) 本接口（InitDBInstances）用于初始化云数据库PostgreSQL实例。本接口已废弃，推荐使用接口[CreateInstances](https://cloud.tencent.com/document/api/409/56107)替代。
- * @method Models\InquiryPriceCreateDBInstancesResponse InquiryPriceCreateDBInstances(Models\InquiryPriceCreateDBInstancesRequest $req) 本接口 (InquiryPriceCreateDBInstances) 用于查询购买一个或多个实例的价格信息。
+ * @method Models\InquiryPriceCreateDBInstancesResponse InquiryPriceCreateDBInstances(Models\InquiryPriceCreateDBInstancesRequest $req) 本接口 (InquiryPriceCreateDBInstances) 用于查询购买实例的价格信息。
  * @method Models\InquiryPriceRenewDBInstanceResponse InquiryPriceRenewDBInstance(Models\InquiryPriceRenewDBInstanceRequest $req) 本接口（InquiryPriceRenewDBInstance）用于查询续费实例的价格。
  * @method Models\InquiryPriceUpgradeDBInstanceResponse InquiryPriceUpgradeDBInstance(Models\InquiryPriceUpgradeDBInstanceRequest $req) 本接口（InquiryPriceUpgradeDBInstance）用于查询升级实例的价格。只支持按量计费实例。
  * @method Models\IsolateDBInstancesResponse IsolateDBInstances(Models\IsolateDBInstancesRequest $req) 本接口（IsolateDBInstances）用于隔离实例
@@ -91,16 +91,16 @@
  * @method Models\ModifyDBInstanceChargeTypeResponse ModifyDBInstanceChargeType(Models\ModifyDBInstanceChargeTypeRequest $req) 支持实例的计费类型转换（目前仅支持按量计费转包年包月）
  * @method Models\ModifyDBInstanceDeploymentResponse ModifyDBInstanceDeployment(Models\ModifyDBInstanceDeploymentRequest $req) 本接口（ModifyDBInstanceDeployment）用于修改节点可用区部署方式，仅支持主实例。
  * @method Models\ModifyDBInstanceNameResponse ModifyDBInstanceName(Models\ModifyDBInstanceNameRequest $req) 本接口（ModifyDBInstanceName）用于修改postgresql实例名字。
- * @method Models\ModifyDBInstanceParametersResponse ModifyDBInstanceParameters(Models\ModifyDBInstanceParametersRequest $req) 批量修改参数
+ * @method Models\ModifyDBInstanceParametersResponse ModifyDBInstanceParameters(Models\ModifyDBInstanceParametersRequest $req) 本接口 (ModifyDBInstanceParameters) 用于修改实例参数。
  * @method Models\ModifyDBInstanceReadOnlyGroupResponse ModifyDBInstanceReadOnlyGroup(Models\ModifyDBInstanceReadOnlyGroupRequest $req) 本接口（ModifyDBInstanceReadOnlyGroup）用于修改实例所属的只读组
  * @method Models\ModifyDBInstanceSecurityGroupsResponse ModifyDBInstanceSecurityGroups(Models\ModifyDBInstanceSecurityGroupsRequest $req) 本接口（ModifyDBInstanceSecurityGroups）用于修改实例安全组。
- * @method Models\ModifyDBInstanceSpecResponse ModifyDBInstanceSpec(Models\ModifyDBInstanceSpecRequest $req) 本接口（ModifyDBInstanceSpec）用于调整实例规格，包括内存、磁盘。
- * @method Models\ModifyDBInstancesProjectResponse ModifyDBInstancesProject(Models\ModifyDBInstancesProjectRequest $req) 本接口（ModifyDBInstancesProject）用于将实例转至其他项目。
- * @method Models\ModifyParameterTemplateResponse ModifyParameterTemplate(Models\ModifyParameterTemplateRequest $req) 本接口（ModifyParameterTemplate）主要用于修改参数模板名称，描述，修改，添加和删除参数模板参数。
+ * @method Models\ModifyDBInstanceSpecResponse ModifyDBInstanceSpec(Models\ModifyDBInstanceSpecRequest $req) 本接口（ModifyDBInstanceSpec）用于修改实例规格，包括内存、磁盘。
+ * @method Models\ModifyDBInstancesProjectResponse ModifyDBInstancesProject(Models\ModifyDBInstancesProjectRequest $req) 本接口（ModifyDBInstancesProject）用于修改实例所属项目。
+ * @method Models\ModifyParameterTemplateResponse ModifyParameterTemplate(Models\ModifyParameterTemplateRequest $req) 本接口（ModifyParameterTemplate）主要用于修改参数模板名称，描述等配置，也可用于管理参数模板中的参数列表。
  * @method Models\ModifyReadOnlyGroupConfigResponse ModifyReadOnlyGroupConfig(Models\ModifyReadOnlyGroupConfigRequest $req) 本接口(ModifyReadOnlyGroupConfig)用于更新只读组配置信息
  * @method Models\ModifySwitchTimePeriodResponse ModifySwitchTimePeriod(Models\ModifySwitchTimePeriodRequest $req) 当升级完成后，对处于等待切换状态下的实例，强制实例立即切换。
- * @method Models\OpenDBExtranetAccessResponse OpenDBExtranetAccess(Models\OpenDBExtranetAccessRequest $req) 本接口（OpenDBExtranetAccess）用于开通外网。
- * @method Models\OpenServerlessDBExtranetAccessResponse OpenServerlessDBExtranetAccess(Models\OpenServerlessDBExtranetAccessRequest $req) 开通serverlessDB实例外网
+ * @method Models\OpenDBExtranetAccessResponse OpenDBExtranetAccess(Models\OpenDBExtranetAccessRequest $req) 本接口（OpenDBExtranetAccess）用于开通实例公网地址。
+ * @method Models\OpenServerlessDBExtranetAccessResponse OpenServerlessDBExtranetAccess(Models\OpenServerlessDBExtranetAccessRequest $req) 本接口（OpenServerlessDBExtranetAccess）用于开通serverlessDB实例公网地址。
  * @method Models\RebalanceReadOnlyGroupResponse RebalanceReadOnlyGroup(Models\RebalanceReadOnlyGroupRequest $req) 本接口(RebalanceReadOnlyGroup)用于重新均衡 RO 组内实例的负载。注意，RO 组内 RO 实例会有一次数据库连接瞬断，请确保应用程序能重连数据库，谨慎操作。
  * @method Models\RemoveDBInstanceFromReadOnlyGroupResponse RemoveDBInstanceFromReadOnlyGroup(Models\RemoveDBInstanceFromReadOnlyGroupRequest $req) 本接口（RemoveDBInstanceFromReadOnlyGroup）用户将只读实例从只读组中移除
  * @method Models\RenewInstanceResponse RenewInstance(Models\RenewInstanceRequest $req) 本接口（RenewInstance）用于续费实例。