diff --git a/services/reminder/test/unittest/reminder_data_manager_test.cpp b/services/reminder/test/unittest/reminder_data_manager_test.cpp
index 7fa4feb5a863d97e441632a5351f0ba632ecdb12..6e00cccc3db64869e1d193830dcbc4525ab332e7 100644
--- a/services/reminder/test/unittest/reminder_data_manager_test.cpp
+++ b/services/reminder/test/unittest/reminder_data_manager_test.cpp
@@ -1280,5 +1280,286 @@ HWTEST_F(ReminderDataManagerTest, ReminderDataManagerTest_028, Level1)
     }
     EXPECT_TRUE(manager != nullptr);
 }
+
+/**
+ * @tc.name: ReminderDataManagerTest_029
+ * @tc.desc: ReminderDataShareHelper test id
+ * @tc.type: FUNC
+ * @tc.require: issueI5YTF3
+ */
+HWTEST_F(ReminderDataManagerTest, ReminderDataManagerTest_029, Level1)
+{
+    sptr<ReminderRequest> calendar = new ReminderRequestCalendar(291);
+    calendar->SetReminderId(291);
+    calendar->SetIdentifier("291_0");
+    calendar->SetShare(true);
+    {
+        std::lock_guard<std::mutex> locker(ReminderDataManager::MUTEX);
+        manager->reminderVector_.push_back(calendar);
+    }
+    DataShare::DataShareObserver::ChangeInfo info;
+    info.valueBuckets_.resize(1);
+    DataShare::DataShareObserver::ChangeInfo::Value eventId = static_cast<double>(2910);
+    info.valueBuckets_[0][ReminderCalendarShareTable::EVENT_ID] = eventId;
+    DataShare::DataShareObserver::ChangeInfo::Value ends = static_cast<double>(2650838400000);
+    info.valueBuckets_[0][ReminderCalendarShareTable::END] = ends;
+    DataShare::DataShareObserver::ChangeInfo::Value alarmTime = static_cast<double>(2650838400000);
+    info.valueBuckets_[0][ReminderCalendarShareTable::ALARM_TIME] = alarmTime;
+    DataShare::DataShareObserver::ChangeInfo::Value title = std::string("test_029");
+    info.valueBuckets_[0][ReminderCalendarShareTable::TITLE] = title;
+    DataShare::DataShareObserver::ChangeInfo::Value content = std::string("test_029");
+    info.valueBuckets_[0][ReminderCalendarShareTable::CONTENT] = content;
+    DataShare::DataShareObserver::ChangeInfo::Value wantAgent = std::string("");
+    info.valueBuckets_[0][ReminderCalendarShareTable::WANT_AGENT] = wantAgent;
+    DataShare::DataShareObserver::ChangeInfo::Value buttons = std::string("");
+    info.valueBuckets_[0][ReminderCalendarShareTable::BUTTONS] = buttons;
+    DataShare::DataShareObserver::ChangeInfo::Value slotType = static_cast<double>(0);
+    info.valueBuckets_[0][ReminderCalendarShareTable::SLOT_TYPE] = slotType;
+    DataShare::DataShareObserver::ChangeInfo::Value identifier = std::string("291_0");
+    info.valueBuckets_[0][ReminderCalendarShareTable::IDENTIFIER] = identifier;
+    // test id normal
+    DataShare::DataShareObserver::ChangeInfo::Value id = static_cast<double>(291);
+    info.valueBuckets_[0][ReminderCalendarShareTable::ID] = id;
+    ReminderDataShareHelper::GetInstance().OnDataUpdate(info);
+    // test id -1
+    DataShare::DataShareObserver::ChangeInfo::Value id = static_cast<double>(-1);
+    info.valueBuckets_[0][ReminderCalendarShareTable::ID] = id;
+    ReminderDataShareHelper::GetInstance().OnDataUpdate(info);
+    // test id 0
+    DataShare::DataShareObserver::ChangeInfo::Value id = static_cast<double>(0);
+    info.valueBuckets_[0][ReminderCalendarShareTable::ID] = id;
+    ReminderDataShareHelper::GetInstance().OnDataUpdate(info);
+    // test id max
+    DataShare::DataShareObserver::ChangeInfo::Value id = static_cast<double>(2147483647);
+    info.valueBuckets_[0][ReminderCalendarShareTable::ID] = id;
+    ReminderDataShareHelper::GetInstance().OnDataUpdate(info);
+    // test id min
+    DataShare::DataShareObserver::ChangeInfo::Value id = static_cast<double>(-2147483648);
+    info.valueBuckets_[0][ReminderCalendarShareTable::ID] = id;
+    ReminderDataShareHelper::GetInstance().OnDataUpdate(info);
+    // test id max
+    DataShare::DataShareObserver::ChangeInfo::Value id = static_cast<double>(9223372036854775807);
+    info.valueBuckets_[0][ReminderCalendarShareTable::ID] = id;
+    ReminderDataShareHelper::GetInstance().OnDataUpdate(info);
+    // test id min
+    DataShare::DataShareObserver::ChangeInfo::Value id = static_cast<double>(-9223372036854775808);
+    info.valueBuckets_[0][ReminderCalendarShareTable::ID] = id;
+    ReminderDataShareHelper::GetInstance().OnDataUpdate(info);
+    EXPECT_TRUE(manager != nullptr);
+}
+
+/**
+ * @tc.name: ReminderDataManagerTest_030
+ * @tc.desc: ReminderDataShareHelper test event_id
+ * @tc.type: FUNC
+ * @tc.require: issueI5YTF3
+ */
+HWTEST_F(ReminderDataManagerTest, ReminderDataManagerTest_030, Level1)
+{
+    sptr<ReminderRequest> calendar = new ReminderRequestCalendar(301);
+    calendar->SetReminderId(301);
+    calendar->SetIdentifier("301_0");
+    calendar->SetShare(true);
+    {
+        std::lock_guard<std::mutex> locker(ReminderDataManager::MUTEX);
+        manager->reminderVector_.push_back(calendar);
+    }
+    DataShare::DataShareObserver::ChangeInfo info;
+    info.valueBuckets_.resize(1);
+    DataShare::DataShareObserver::ChangeInfo::Value id = static_cast<double>(301);
+    info.valueBuckets_[0][ReminderCalendarShareTable::ID] = id;
+    DataShare::DataShareObserver::ChangeInfo::Value ends = static_cast<double>(2650838400000);
+    info.valueBuckets_[0][ReminderCalendarShareTable::END] = ends;
+    DataShare::DataShareObserver::ChangeInfo::Value alarmTime = static_cast<double>(2650838400000);
+    info.valueBuckets_[0][ReminderCalendarShareTable::ALARM_TIME] = alarmTime;
+    DataShare::DataShareObserver::ChangeInfo::Value title = std::string("test_029");
+    info.valueBuckets_[0][ReminderCalendarShareTable::TITLE] = title;
+    DataShare::DataShareObserver::ChangeInfo::Value content = std::string("test_029");
+    info.valueBuckets_[0][ReminderCalendarShareTable::CONTENT] = content;
+    DataShare::DataShareObserver::ChangeInfo::Value wantAgent = std::string("");
+    info.valueBuckets_[0][ReminderCalendarShareTable::WANT_AGENT] = wantAgent;
+    DataShare::DataShareObserver::ChangeInfo::Value buttons = std::string("");
+    info.valueBuckets_[0][ReminderCalendarShareTable::BUTTONS] = buttons;
+    DataShare::DataShareObserver::ChangeInfo::Value slotType = static_cast<double>(0);
+    info.valueBuckets_[0][ReminderCalendarShareTable::SLOT_TYPE] = slotType;
+    DataShare::DataShareObserver::ChangeInfo::Value identifier = std::string("301_0");
+    info.valueBuckets_[0][ReminderCalendarShareTable::IDENTIFIER] = identifier;
+    // test event_id normal
+    DataShare::DataShareObserver::ChangeInfo::Value eventId = static_cast<double>(3010);
+    info.valueBuckets_[0][ReminderCalendarShareTable::EVENT_ID] = eventId;
+    ReminderDataShareHelper::GetInstance().OnDataUpdate(info);
+    // test event_id -1
+    DataShare::DataShareObserver::ChangeInfo::Value eventId = static_cast<double>(-1);
+    info.valueBuckets_[0][ReminderCalendarShareTable::EVENT_ID] = eventId;
+    ReminderDataShareHelper::GetInstance().OnDataUpdate(info);
+    // test event_id 0
+    DataShare::DataShareObserver::ChangeInfo::Value eventId = static_cast<double>(0);
+    info.valueBuckets_[0][ReminderCalendarShareTable::EVENT_ID] = eventId;
+    ReminderDataShareHelper::GetInstance().OnDataUpdate(info);
+    // test event_id max
+    DataShare::DataShareObserver::ChangeInfo::Value eventId = static_cast<double>(2147483647);
+    info.valueBuckets_[0][ReminderCalendarShareTable::EVENT_ID] = eventId;
+    ReminderDataShareHelper::GetInstance().OnDataUpdate(info);
+    // test event_id min
+    DataShare::DataShareObserver::ChangeInfo::Value eventId = static_cast<double>(-2147483648);
+    info.valueBuckets_[0][ReminderCalendarShareTable::EVENT_ID] = eventId;
+    ReminderDataShareHelper::GetInstance().OnDataUpdate(info);
+    // test event_id max
+    DataShare::DataShareObserver::ChangeInfo::Value eventId = static_cast<double>(9223372036854775807);
+    info.valueBuckets_[0][ReminderCalendarShareTable::EVENT_ID] = eventId;
+    ReminderDataShareHelper::GetInstance().OnDataUpdate(info);
+    // test event_id min
+    DataShare::DataShareObserver::ChangeInfo::Value eventId = static_cast<double>(-9223372036854775808);
+    info.valueBuckets_[0][ReminderCalendarShareTable::EVENT_ID] = eventId;
+    ReminderDataShareHelper::GetInstance().OnDataUpdate(info);
+    EXPECT_TRUE(manager != nullptr);
+}
+
+/**
+ * @tc.name: ReminderDataManagerTest_030
+ * @tc.desc: ReminderDataShareHelper test end
+ * @tc.type: FUNC
+ * @tc.require: issueI5YTF3
+ */
+HWTEST_F(ReminderDataManagerTest, ReminderDataManagerTest_031, Level1)
+{
+    sptr<ReminderRequest> calendar = new ReminderRequestCalendar(311);
+    calendar->SetReminderId(311);
+    calendar->SetIdentifier("311_0");
+    calendar->SetShare(true);
+    {
+        std::lock_guard<std::mutex> locker(ReminderDataManager::MUTEX);
+        manager->reminderVector_.push_back(calendar);
+    }
+    DataShare::DataShareObserver::ChangeInfo info;
+    info.valueBuckets_.resize(1);
+    DataShare::DataShareObserver::ChangeInfo::Value id = static_cast<double>(311);
+    info.valueBuckets_[0][ReminderCalendarShareTable::ID] = id;
+    DataShare::DataShareObserver::ChangeInfo::Value eventId = static_cast<double>(311);
+    info.valueBuckets_[0][ReminderCalendarShareTable::EVENT_ID] = eventId;
+    DataShare::DataShareObserver::ChangeInfo::Value alarmTime = static_cast<double>(2650838400000);
+    info.valueBuckets_[0][ReminderCalendarShareTable::ALARM_TIME] = alarmTime;
+    DataShare::DataShareObserver::ChangeInfo::Value title = std::string("test_029");
+    info.valueBuckets_[0][ReminderCalendarShareTable::TITLE] = title;
+    DataShare::DataShareObserver::ChangeInfo::Value content = std::string("test_029");
+    info.valueBuckets_[0][ReminderCalendarShareTable::CONTENT] = content;
+    DataShare::DataShareObserver::ChangeInfo::Value wantAgent = std::string("");
+    info.valueBuckets_[0][ReminderCalendarShareTable::WANT_AGENT] = wantAgent;
+    DataShare::DataShareObserver::ChangeInfo::Value buttons = std::string("");
+    info.valueBuckets_[0][ReminderCalendarShareTable::BUTTONS] = buttons;
+    DataShare::DataShareObserver::ChangeInfo::Value slotType = static_cast<double>(0);
+    info.valueBuckets_[0][ReminderCalendarShareTable::SLOT_TYPE] = slotType;
+    DataShare::DataShareObserver::ChangeInfo::Value identifier = std::string("311_0");
+    info.valueBuckets_[0][ReminderCalendarShareTable::IDENTIFIER] = identifier;
+    // test end normal
+    DataShare::DataShareObserver::ChangeInfo::Value ends = static_cast<double>(2650838400000);
+    info.valueBuckets_[0][ReminderCalendarShareTable::END] = ends;
+    ReminderDataShareHelper::GetInstance().OnDataUpdate(info);
+    // test end -1
+    DataShare::DataShareObserver::ChangeInfo::Value ends = static_cast<double>(-1);
+    info.valueBuckets_[0][ReminderCalendarShareTable::END] = ends;
+    ReminderDataShareHelper::GetInstance().OnDataUpdate(info);
+    // test end 0
+    DataShare::DataShareObserver::ChangeInfo::Value ends = static_cast<double>(0);
+    info.valueBuckets_[0][ReminderCalendarShareTable::END] = ends;
+    ReminderDataShareHelper::GetInstance().OnDataUpdate(info);
+    // test end max
+    DataShare::DataShareObserver::ChangeInfo::Value ends = static_cast<double>(2147483647);
+    info.valueBuckets_[0][ReminderCalendarShareTable::END] = ends;
+    ReminderDataShareHelper::GetInstance().OnDataUpdate(info);
+    // test end min
+    DataShare::DataShareObserver::ChangeInfo::Value ends = static_cast<double>(-2147483648);
+    info.valueBuckets_[0][ReminderCalendarShareTable::END] = ends;
+    ReminderDataShareHelper::GetInstance().OnDataUpdate(info);
+    // test end max
+    DataShare::DataShareObserver::ChangeInfo::Value ends = static_cast<double>(9223372036854775807);
+    info.valueBuckets_[0][ReminderCalendarShareTable::END] = ends;
+    ReminderDataShareHelper::GetInstance().OnDataUpdate(info);
+    // test end min
+    DataShare::DataShareObserver::ChangeInfo::Value ends = static_cast<double>(-9223372036854775808);
+    info.valueBuckets_[0][ReminderCalendarShareTable::END] = ends;
+    ReminderDataShareHelper::GetInstance().OnDataUpdate(info);
+    // test end max
+    DataShare::DataShareObserver::ChangeInfo::Value ends = static_cast<double>(18446744073709551615);
+    info.valueBuckets_[0][ReminderCalendarShareTable::END] = ends;
+    ReminderDataShareHelper::GetInstance().OnDataUpdate(info);
+    EXPECT_TRUE(manager != nullptr);
+}
+
+/**
+ * @tc.name: ReminderDataManagerTest_030
+ * @tc.desc: ReminderDataShareHelper test alarm_time
+ * @tc.type: FUNC
+ * @tc.require: issueI5YTF3
+ */
+HWTEST_F(ReminderDataManagerTest, ReminderDataManagerTest_031, Level1)
+{
+    sptr<ReminderRequest> calendar = new ReminderRequestCalendar(311);
+    calendar->SetReminderId(311);
+    calendar->SetIdentifier("311_0");
+    calendar->SetShare(true);
+    {
+        std::lock_guard<std::mutex> locker(ReminderDataManager::MUTEX);
+        manager->reminderVector_.push_back(calendar);
+    }
+    DataShare::DataShareObserver::ChangeInfo info;
+    info.valueBuckets_.resize(1);
+    DataShare::DataShareObserver::ChangeInfo::Value id = static_cast<double>(311);
+    info.valueBuckets_[0][ReminderCalendarShareTable::ID] = id;
+    DataShare::DataShareObserver::ChangeInfo::Value eventId = static_cast<double>(311);
+    info.valueBuckets_[0][ReminderCalendarShareTable::EVENT_ID] = eventId;
+    DataShare::DataShareObserver::ChangeInfo::Value ends = static_cast<double>(2650838400000);
+    info.valueBuckets_[0][ReminderCalendarShareTable::END] = ends;
+    DataShare::DataShareObserver::ChangeInfo::Value title = std::string("test_029");
+    info.valueBuckets_[0][ReminderCalendarShareTable::TITLE] = title;
+    DataShare::DataShareObserver::ChangeInfo::Value content = std::string("test_029");
+    info.valueBuckets_[0][ReminderCalendarShareTable::CONTENT] = content;
+    DataShare::DataShareObserver::ChangeInfo::Value wantAgent = std::string("");
+    info.valueBuckets_[0][ReminderCalendarShareTable::WANT_AGENT] = wantAgent;
+    DataShare::DataShareObserver::ChangeInfo::Value buttons = std::string("");
+    info.valueBuckets_[0][ReminderCalendarShareTable::BUTTONS] = buttons;
+    DataShare::DataShareObserver::ChangeInfo::Value slotType = static_cast<double>(0);
+    info.valueBuckets_[0][ReminderCalendarShareTable::SLOT_TYPE] = slotType;
+    DataShare::DataShareObserver::ChangeInfo::Value identifier = std::string("311_0");
+    info.valueBuckets_[0][ReminderCalendarShareTable::IDENTIFIER] = identifier;
+    // test end normal
+    DataShare::DataShareObserver::ChangeInfo::Value alarmTime = static_cast<double>(2650838400000);
+    info.valueBuckets_[0][ReminderCalendarShareTable::ALARM_TIME] = alarmTime;
+    ReminderDataShareHelper::GetInstance().OnDataUpdate(info);
+    // test end -1
+    DataShare::DataShareObserver::ChangeInfo::Value alarmTime = static_cast<double>(-1);
+    info.valueBuckets_[0][ReminderCalendarShareTable::ALARM_TIME] = alarmTime;
+    ReminderDataShareHelper::GetInstance().OnDataUpdate(info);
+    // test end 0
+    DataShare::DataShareObserver::ChangeInfo::Value alarmTime = static_cast<double>(0);
+    info.valueBuckets_[0][ReminderCalendarShareTable::ALARM_TIME] = alarmTime;
+    ReminderDataShareHelper::GetInstance().OnDataUpdate(info);
+    // test end max
+    DataShare::DataShareObserver::ChangeInfo::Value alarmTime = static_cast<double>(2147483647);
+    info.valueBuckets_[0][ReminderCalendarShareTable::ALARM_TIME] = alarmTime;
+    ReminderDataShareHelper::GetInstance().OnDataUpdate(info);
+    // test end min
+    DataShare::DataShareObserver::ChangeInfo::Value alarmTime = static_cast<double>(-2147483648);
+    info.valueBuckets_[0][ReminderCalendarShareTable::ALARM_TIME] = alarmTime;
+    ReminderDataShareHelper::GetInstance().OnDataUpdate(info);
+    // test end max
+    DataShare::DataShareObserver::ChangeInfo::Value alarmTime = static_cast<double>(9223372036854775807);
+    info.valueBuckets_[0][ReminderCalendarShareTable::ALARM_TIME] = alarmTime;
+    ReminderDataShareHelper::GetInstance().OnDataUpdate(info);
+    // test end min
+    DataShare::DataShareObserver::ChangeInfo::Value alarmTime = static_cast<double>(-9223372036854775808);
+    info.valueBuckets_[0][ReminderCalendarShareTable::ALARM_TIME] = alarmTime;
+    ReminderDataShareHelper::GetInstance().OnDataUpdate(info);
+    // test end max
+    DataShare::DataShareObserver::ChangeInfo::Value alarmTime = static_cast<double>(18446744073709551615);
+    info.valueBuckets_[0][ReminderCalendarShareTable::ALARM_TIME] = alarmTime;
+    ReminderDataShareHelper::GetInstance().OnDataUpdate(info);
+    EXPECT_TRUE(manager != nullptr);
+    sleep(1);
+    {
+        std::lock_guard<std::mutex> locker(ReminderDataManager::MUTEX);
+        manager->reminderVector_.clear();
+    }
+}
 }  // namespace Notification
 }  // namespace OHOS