diff --git a/zh-cn/application-dev/database/database-mdds-guidelines.md b/zh-cn/application-dev/database/database-mdds-guidelines.md
index 17845ec7e8c163d5228762cf2fbd32780f5c3841..2bd5c818b0088279d3adbc252492b8c2ab48cb68 100644
--- a/zh-cn/application-dev/database/database-mdds-guidelines.md
+++ b/zh-cn/application-dev/database/database-mdds-guidelines.md
@@ -75,7 +75,7 @@ OpenHarmony系统中的分布式数据服务模块为开发者提供下面几种
            backup : false,
            autoSync : false,
            kvStoreType : distributedData.KVStoreType.SINGLE_VERSION,
-           securityLevel : distributedData.SecurityLevel.S2,
+           securityLevel : distributedData.SecurityLevel.S0,
        };
        kvManager.getKVStore('storeId', options, function (err, store) {
            if (err) {