diff --git a/services/time_manager/include/time_tick_notify.h b/services/time_manager/include/time_tick_notify.h
index 7e44256..f74efde 100644
--- a/services/time_manager/include/time_tick_notify.h
+++ b/services/time_manager/include/time_tick_notify.h
@@ -28,8 +28,10 @@ public:
     void Callback(const uint64_t timerid);
     void Stop();
 private:
-    void startTimer();
-    void refreshNextTriggerTime();
+    void StartTimer();
+    void RefreshNextTriggerTime(); 
+    uint64_t GetMillisecondsFromUTC(uint64_t UTCtimeNano);
+    uint64_t GetSecondsFromUTC(uint64_t UTCtimeNano);
     uint64_t timerId_;
     uint64_t nextTriggerTime_;
 };
diff --git a/services/time_manager/src/time_tick_notify.cpp b/services/time_manager/src/time_tick_notify.cpp
index d6ef611..f16922f 100644
--- a/services/time_manager/src/time_tick_notify.cpp
+++ b/services/time_manager/src/time_tick_notify.cpp
@@ -30,8 +30,6 @@ constexpr uint64_t MINUTE_TO_MILLISECOND = 6000;
 constexpr uint64_t NANO_TO_SECOND = 1000000000;
 constexpr uint64_t  NANO_TO_MILESECOND = 100000;
 constexpr uint64_t SECOND_TO_MINUTE = 60;
-#define MILLISECONDS_FROM_UTC(x) (((x) / NANO_TO_MILESECOND) % (SECOND_TO_MILESECOND))
-#define SECONDS_FROM_UTC(x) (((x) / NANO_TO_SECOND) % (SECOND_TO_MINUTE))
 }
 TimeTickNotify::TimeTickNotify() {};
 TimeTickNotify::~TimeTickNotify() {};
@@ -45,7 +43,7 @@ void TimeTickNotify::Init()
     };
     timerId_ = TimeService::GetInstance()->CreateTimer(timerType, 0, 0, 0, callback);
     TIME_HILOGD(TIME_MODULE_SERVICE, "Tick notify timerId: %{public}" PRId64 "", timerId_);
-    refreshNextTriggerTime();
+    RefreshNextTriggerTime();
     TIME_HILOGD(TIME_MODULE_SERVICE, "Tick notify triggertime: %{public}" PRId64 "", nextTriggerTime_);
     TimeService::GetInstance()->StartTimer(timerId_, nextTriggerTime_);
 }
@@ -56,29 +54,29 @@ void TimeTickNotify::Callback(const uint64_t timerId)
     auto currentTime = steady_clock::now().time_since_epoch().count();
     DelayedSingleton<TimeServiceNotify>::GetInstance()->PublishTimeTickEvents(currentTime);
     timerId_ = timerId;
-    refreshNextTriggerTime();
-    auto startFunc = [this]() {
-        this->startTimer();
+    RefreshNextTriggerTime();
+    auto startFunc = [this](){
+        this->StartTimer();
     };
     std::thread startTimerThread(startFunc);
     startTimerThread.detach();
     TIME_HILOGD(TIME_MODULE_SERVICE, "Tick notify triggertime: %{public}" PRId64 "", nextTriggerTime_);
 }
 
-void TimeTickNotify::refreshNextTriggerTime()
+void TimeTickNotify::RefreshNextTriggerTime()
 {
     uint64_t timeNowMilliseconds;
     auto UTCTimeNano = system_clock::now().time_since_epoch().count();
     auto BootTimeNano = steady_clock::now().time_since_epoch().count();
     auto BootTimeMilli = BootTimeNano / NANO_TO_MILESECOND;
-    auto timeMilliseconds = MILLISECONDS_FROM_UTC(UTCTimeNano);
-    auto timeSeconds = SECONDS_FROM_UTC(UTCTimeNano);
+    auto timeMilliseconds = GetMillisecondsFromUTC(UTCTimeNano);
+    auto timeSeconds = GetSecondsFromUTC(UTCTimeNano);
     timeNowMilliseconds = timeSeconds * SECOND_TO_MILESECOND + timeMilliseconds;
     nextTriggerTime_ = BootTimeMilli+ (MINUTE_TO_MILLISECOND - timeNowMilliseconds);
     return ;
 }
 
-void TimeTickNotify::startTimer()
+void TimeTickNotify::StartTimer()
 {
     TimeService::GetInstance()->StartTimer(timerId_, nextTriggerTime_);
 }
@@ -88,6 +86,16 @@ void TimeTickNotify::Stop()
     TIME_HILOGD(TIME_MODULE_SERVICE, "start.");
     TimeService::GetInstance()->DestroyTimer(timerId_);
 }
+
+uint64_t TimeTickNotify::GetMillisecondsFromUTC(uint64_t UTCtimeNano)
+{
+    return (UTCtimeNano / NANO_TO_MILESECOND) % SECOND_TO_MILESECOND;
+}
+
+uint64_t TimeTickNotify::GetSecondsFromUTC(uint64_t UTCtimeNano)
+{
+    return (UTCtimeNano / NANO_TO_SECOND) % SECOND_TO_MINUTE;
+}
 } // MiscServices
 } // OHOS
 
diff --git a/services/time_manager/test/unittest/src/timezone_test.cpp b/services/time_manager/test/unittest/src/timezone_test.cpp
deleted file mode 100644
index 8722baa..0000000
--- a/services/time_manager/test/unittest/src/timezone_test.cpp
+++ /dev/null
@@ -1,58 +0,0 @@
-/*
- * Copyright (C) 2021 Huawei Device Co., Ltd.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-#include <cstdlib>
-#include <ctime>
-#include "timer_info_test.h"
-#include "time_service_test.h"
-
-using namespace testing::ext;
-using namespace OHOS;
-using namespace OHOS::MiscServices;
-
-class TimeServiceTest : public testing::Test {
-public:
-    static void SetUpTestCase(void);
-    static void TearDownTestCase(void);
-    void SetUp();
-    void TearDown();
-};
-
-void TimeServiceTest::SetUpTestCase(void) {
-}
-
-void TimeServiceTest::TearDownTestCase(void) {
-}
-
-void TimeServiceTest::SetUp(void) {
-}
-
-void TimeServiceTest::TearDown(void) {
-}
-
-/**
-* @tc.name: TimezoneTest01
-* @tc.desc: Set system timezone.
-* @tc.type: FUNC
-*/
-HWTEST_F(TimeServiceTest, SetTimezone01, TestSize.Level0) {
-    time_t t; // 定义变量
-    time(&t); // 获取系统时间
-    TIME_HILOGI(TIME_MODULE_CLIENT, "Time before: %{public}s", asctime(localtime(&t)));
-    if (setenv("TZ", "GMT-10", 1) ==0) {
-        tzset(); // 设置UNIX时间兼容
-        (void)time(&t); // 获取系统时间
-        TIME_HILOGI(TIME_MODULE_CLIENT, "Time now: %{public}s", asctime(localtime(&t)));
-    }
-}
\ No newline at end of file