diff --git a/napi/settings/napi_settings.cpp b/napi/settings/napi_settings.cpp
index b8efeba8cb2e56891a66677cf44b650211de95a4..0a36524fc23a62c7da51df98724f6f47b597f92a 100644
--- a/napi/settings/napi_settings.cpp
+++ b/napi/settings/napi_settings.cpp
@@ -39,6 +39,7 @@ namespace Settings {
 const std::string SETTINGS_DATA_BASE_URI = "dataability:///com.ohos.settingsdata.DataAbility";
 const std::string SETTINGS_DATA_FIELD_KEYWORD = "KEYWORD";
 const std::string SETTINGS_DATA_FIELD_VALUE = "VALUE";
+const int USERID_HELPER_NUMBER = 100;
 
 enum CallType {
     INVALID_CALL,
@@ -1634,6 +1635,9 @@ napi_value napi_can_show_floating(napi_env env, napi_callback_info info)
 // get uri for stage model
 std::string GetStageUriStr(std::string tableName, std::string IdStr, std::string keyStr)
 {
+    if (std::stoi(IdStr) < USERID_HELPER_NUMBER) {
+        IdStr = "100";
+    }
     if (tableName == "global") {
         std::string retStr =
             "datashare:///com.ohos.settingsdata/entry/settingsdata/SETTINGSDATA?Proxy=true&key=" + keyStr;
@@ -1657,6 +1661,9 @@ std::string GetStageUriStr(std::string tableName, std::string IdStr, std::string
 // get proxy uri
 std::string GetProxyUriStr(std::string tableName, std::string IdStr)
 {
+    if (std::stoi(IdStr) < USERID_HELPER_NUMBER) {
+        IdStr = "100";
+    }
     if (tableName == "global") {
         // return global uri
         std::string retStr = "datashare:///com.ohos.settingsdata/entry/settingsdata/SETTINGSDATA?Proxy=true";
@@ -1759,6 +1766,13 @@ napi_value napi_set_value_sync_ext(bool stageMode, size_t argc, napi_env env, na
     delete asyncCallbackInfo;
     return result;
 }
-
+napi_value napi_register_key_observer(napi_env env, napi_callback_info info)
+{
+    return wrap_bool_to_js(env, true);
+}
+napi_value napi_unregister_key_observer(napi_env env, napi_callback_info info)
+{
+    return wrap_bool_to_js(env, true);
+}
 }  // namespace Settings
 }  // namespace OHOS
diff --git a/napi/settings/napi_settings.h b/napi/settings/napi_settings.h
index 78b74466af2c6fd3a2f79881e11457881a35c5d6..ba6c17bc0e111d3ed98b31713e50ff6970df7b50 100644
--- a/napi/settings/napi_settings.h
+++ b/napi/settings/napi_settings.h
@@ -115,6 +115,8 @@ std::string GetProxyUriStr(std::string tableName, std::string IdStr);
 bool IsTableNameInvalid(std::string tableName);
 napi_value napi_get_value_sync_ext(bool stageMode, size_t argc, napi_env env, napi_value* args);
 napi_value napi_set_value_sync_ext(bool stageMode, size_t argc, napi_env env, napi_value* args);
+napi_value napi_register_key_observer(napi_env env, napi_callback_info info);
+napi_value napi_unregister_key_observer(napi_env env, napi_callback_info info);
 }  // namespace Settings
 }  // namespace OHOS
 #endif  //  NAPI_SETTINGS_H
diff --git a/napi/settings/napi_settings_init.cpp b/napi/settings/napi_settings_init.cpp
index 1245bcf078dd600bddf8341badeb57b39ab74fc8..173dba09eb5f473a0d4900f02683f7cd5294106c 100644
--- a/napi/settings/napi_settings_init.cpp
+++ b/napi/settings/napi_settings_init.cpp
@@ -19,12 +19,12 @@
 
 namespace OHOS {
 namespace Settings {
-class TableName
+class DomainName
 {
 public:
-    static const std::string GLOBAL;
-    static const std::string SYSTEM;
-    static const std::string SECURE;
+    static const std::string DEVICE_SHARED;
+    static const std::string USER_PROPERTY;
+    static const std::string USER_SECURITY;
 };
 
 class Date
@@ -155,9 +155,9 @@ public:
     static const std::string SUSPEND_SOURCES_CFG;
 };
 
-const std::string TableName::GLOBAL = "global";
-const std::string TableName::SYSTEM = "system";
-const std::string TableName::SECURE = "secure";
+const std::string DomainName::DEVICE_SHARED = "global";
+const std::string DomainName::USER_PROPERTY = "system";
+const std::string DomainName::USER_SECURITY = "secure";
 
 const std::string Date::DATE_FORMAT = "settings.date.date_format";
 const std::string Date::TIME_FORMAT = "settings.date.time_format";
@@ -243,7 +243,7 @@ const std::string Wireless::OWNER_LOCKDOWN_WIFI_CFG = "settings.wireless.owner_l
 
 const std::string Power::SUSPEND_SOURCES_CFG = "settings.power.suspend_sources";
 
-const std::string TableName_CLASS_NAME = "tableName";
+const std::string TableName_CLASS_NAME = "domainName";
 const std::string DATE_CLASS_NAME = "date";
 const std::string DISPLAY_CLASS_NAME = "display";
 const std::string GENERAL_CLASS_NAME = "general";
@@ -274,18 +274,18 @@ void InitTableNameMap(napi_env env, std::map<const char*, napi_value> &paramMap)
 {
     napi_value varGlobal = nullptr;
     napi_create_string_utf8(env,
-        TableName::GLOBAL.c_str(), NAPI_AUTO_LENGTH, &varGlobal);
-    paramMap["GLOBAL"] = varGlobal;
+        DomainName::DEVICE_SHARED.c_str(), NAPI_AUTO_LENGTH, &varGlobal);
+    paramMap["DEVICE_SHARED"] = varGlobal;
 
     napi_value varSystem = nullptr;
     napi_create_string_utf8(env,
-        TableName::SYSTEM.c_str(), NAPI_AUTO_LENGTH, &varSystem);
-    paramMap["SYSTEM"] = varSystem;
+        DomainName::USER_PROPERTY.c_str(), NAPI_AUTO_LENGTH, &varSystem);
+    paramMap["USER_PROPERTY"] = varSystem;
 
     napi_value varSecure = nullptr;
     napi_create_string_utf8(env,
-        TableName::SECURE.c_str(), NAPI_AUTO_LENGTH, &varSecure);
-    paramMap["SECURE"] = varSecure;
+        DomainName::USER_SECURITY.c_str(), NAPI_AUTO_LENGTH, &varSecure);
+    paramMap["USER_SECURITY"] = varSecure;
 }
 
 void InitDateMap(napi_env env, std::map<const char*, napi_value>& paramMap)
diff --git a/napi/settings/native_module.cpp b/napi/settings/native_module.cpp
index edff997bf16d33e6b97ca0a634f1e32e099900a4..e064f40cba90d9e63f7b503876c2c386696272b1 100644
--- a/napi/settings/native_module.cpp
+++ b/napi/settings/native_module.cpp
@@ -40,6 +40,8 @@ static napi_value Init(napi_env env, napi_value exports)
         DECLARE_NAPI_FUNCTION("setValueSync", napi_set_value_sync),
         DECLARE_NAPI_FUNCTION("enableAirplaneMode", napi_enable_airplane_mode),
         DECLARE_NAPI_FUNCTION("canShowFloating", napi_can_show_floating),
+        DECLARE_NAPI_FUNCTION("registerKeyObserver", napi_register_key_observer),
+        DECLARE_NAPI_FUNCTION("unregisterKeyObserver", napi_unregister_key_observer),
     };
 
     // init settings class