diff --git a/frameworks/ets/taihe/power/idl/ohos.power.taihe b/frameworks/ets/taihe/power/idl/ohos.power.taihe
index ff6a90b56e3059a66d9c44c4d19a7ecd3515fad4..ab3a9fe0f20442da60a95c2de53a1bc6c2a507c7 100644
--- a/frameworks/ets/taihe/power/idl/ohos.power.taihe
+++ b/frameworks/ets/taihe/power/idl/ohos.power.taihe
@@ -40,9 +40,12 @@ function Hibernate(clearMemory: bool): void;
 
 function SetScreenOffTime(timeout: i64): void;
 
+function RefreshActivity(reason: String): void;
+
 enum DevicePowerMode : i32 {
   MODE_NORMAL = 600,
   MODE_POWER_SAVE,
   MODE_PERFORMANCE,
-  MODE_EXTREME_POWER_SAVE
+  MODE_EXTREME_POWER_SAVE,
+  MODE_CUSTOM_POWER_SAVE = 650
 }
\ No newline at end of file
diff --git a/frameworks/ets/taihe/power/src/ohos.power.impl.cpp b/frameworks/ets/taihe/power/src/ohos.power.impl.cpp
index 25547fd89651370a086c6730ccc5c6ea46c13554..706ac2b8b4072dc233a19fc29c46c950734cd6af 100644
--- a/frameworks/ets/taihe/power/src/ohos.power.impl.cpp
+++ b/frameworks/ets/taihe/power/src/ohos.power.impl.cpp
@@ -36,7 +36,8 @@ std::map<PowerErrors, std::string> g_errorTable = {
     {PowerErrors::ERR_CONNECTION_FAIL,   "Failed to connect to the service."},
     {PowerErrors::ERR_PERMISSION_DENIED, "Permission is denied"             },
     {PowerErrors::ERR_SYSTEM_API_DENIED, "System permission is denied"      },
-    {PowerErrors::ERR_PARAM_INVALID,     "Invalid input parameter."         }
+    {PowerErrors::ERR_PARAM_INVALID,     "Invalid input parameter."         },
+    {PowerErrors::ERR_FREQUENT_FUNCTION_CALL, "Frequent function calls."    }
 };
 static PowerMgrClient& g_powerMgrClient = PowerMgrClient::GetInstance();
 constexpr int32_t RESTORE_DEFAULT_SCREENOFF_TIME = -1;
@@ -143,9 +144,13 @@ DevicePowerMode GetPowerMode()
         case PowerMode::EXTREME_POWER_SAVE_MODE:
             deviceMode = DevicePowerMode::key_t::MODE_EXTREME_POWER_SAVE;
             break;
+        case PowerMode::CUSTOM_POWER_SAVE_MODE:
+            deviceMode = DevicePowerMode::key_t::MODE_CUSTOM_POWER_SAVE;
+            break;
         default:
             POWER_HILOGE(FEATURE_POWER_MODE, "Unknown mode");
     }
+    POWER_HILOGD(FEATURE_POWER_MODE, "%{public}s mode: %{public}d", __func__, static_cast<int32_t>(mode));
     return deviceMode;
 }
 
@@ -197,6 +202,16 @@ void SetScreenOffTime(int64_t timeout)
         taihe::set_business_error(static_cast<int32_t>(code), g_errorTable[code]);
     }
 }
+
+void RefreshActivity(string_view reason)
+{
+    PowerErrors code = g_powerMgrClient.RefreshActivity(
+        UserActivityType::USER_ACTIVITY_TYPE_APPLICATION, std::string(reason));
+    if (code != PowerErrors::ERR_OK) {
+        POWER_HILOGE(FEATURE_ACTIVITY, "RefreshActivity failed. code:%{public}d", static_cast<int32_t>(code));
+        taihe::set_business_error(static_cast<int32_t>(code), g_errorTable[code]);
+    }
+}
 }  // namespace
 
 // Since these macros are auto-generate, lint will cause false positive
@@ -211,4 +226,5 @@ TH_EXPORT_CPP_API_SetPowerModeSync(SetPowerModeSync);
 TH_EXPORT_CPP_API_IsStandby(IsStandby);
 TH_EXPORT_CPP_API_Hibernate(Hibernate);
 TH_EXPORT_CPP_API_SetScreenOffTime(SetScreenOffTime);
+TH_EXPORT_CPP_API_RefreshActivity(RefreshActivity);
 // NOLINTEND
\ No newline at end of file
diff --git a/frameworks/ets/taihe/power/test/unittest/power_taihe_native_test.cpp b/frameworks/ets/taihe/power/test/unittest/power_taihe_native_test.cpp
index 27716027934f649668d6b1111e82d5d0f17fbac6..d2005943064f26267a68d1e151ad9a22f754fc00 100644
--- a/frameworks/ets/taihe/power/test/unittest/power_taihe_native_test.cpp
+++ b/frameworks/ets/taihe/power/test/unittest/power_taihe_native_test.cpp
@@ -107,6 +107,12 @@ PowerErrors PowerMgrClient::OverrideScreenOffTime(int64_t timeout, const std::st
     g_pass = true;
     return g_error;
 }
+
+PowerErrors PowerMgrClient::RefreshActivity(UserActivityType type, const std::string& refreshReason)
+{
+    g_pass = true;
+    return g_error;
+}
 } // namespace OHOS::PowerMgr
 
 namespace {
@@ -206,6 +212,8 @@ HWTEST_F(PowerTaiheNativeTest, PowerTaiheNativeTest_004, TestSize.Level1)
     GetPowerMode();
     g_mode = PowerMode::EXTREME_POWER_SAVE_MODE;
     GetPowerMode();
+    g_mode = PowerMode::CUSTOM_POWER_SAVE_MODE;
+    GetPowerMode();
     g_mode = static_cast<PowerMode>(0);
     GetPowerMode();
     EXPECT_TRUE(g_pass);
@@ -315,5 +323,22 @@ HWTEST_F(PowerTaiheNativeTest, PowerTaiheNativeTest_008, TestSize.Level1)
     EXPECT_TRUE(g_pass);
     POWER_HILOGI(LABEL_TEST, "PowerTaiheNativeTest_008 end");
 }
+
+/**
+ * @tc.name: PowerTaiheNativeTest_009
+ * @tc.desc: test power taihe native
+ * @tc.type: FUNC
+ * @tc.require: issue#ICTIYR
+ */
+HWTEST_F(PowerTaiheNativeTest, PowerTaiheNativeTest_009, TestSize.Level1)
+{
+    POWER_HILOGI(LABEL_TEST, "PowerTaiheNativeTest_009 start");
+    RefreshActivity("PowerTaiheNativeTest_009");
+    g_error = PowerErrors::ERR_FREQUENT_FUNCTION_CALL;
+    RefreshActivity("PowerTaiheNativeTest_009");
+    EXPECT_TRUE(g_errCode == static_cast<int32_t>(PowerErrors::ERR_FREQUENT_FUNCTION_CALL));
+    EXPECT_TRUE(g_pass);
+    POWER_HILOGI(LABEL_TEST, "PowerTaiheNativeTest_009 end");
+}
 } // namespace