rdb

Signed-off-by: Nlihuihui <lihuihui29@huawei.com>

zh-cn/application-dev/napi/native-relational-store-guidelines.md

@@ -54,7 +54,7 @@ RelationalStore是RDB组件在Native层的实现，提供了一套完整的对
    config.bundleName = "xxx";
    // 应用模块名
    config.moduleName = "xxx";
-   // 数据库安全等级测试
+   // 数据库文件安全等级
    config.securityLevel = OH_Rdb_SecurityLevel::S1;
    // 数据库是否加密
    config.isEncrypt = false;
@@ -116,8 +116,9 @@ RelationalStore是RDB组件在Native层的实现，提供了一套完整的对
    predicates->equalTo(predicates, "SALARY", valueObject);
        
    int changeRows = OH_Rdb_Update(store_, valueBucket, predicates);
-   predicates->destroy(predicates);
+   valueObject->destroy(valueObject);
    valueBucket->destroy(valueBucket);
+   predicates->destroy(predicates);
    ```
 
    ```c
@@ -128,6 +129,7 @@ RelationalStore是RDB组件在Native层的实现，提供了一套完整的对
    valueObject->putText(valueObject, name);
    predicates->equalTo(predicates, "NAME", valueObject);
    int deleteRows = OH_Rdb_Delete(store_, predicates);
+   valueObject->destroy(valueObject);
    predicates->destroy(predicates);
    ```