diff --git a/frameworks/ans/native/src/reminder_request.cpp b/frameworks/ans/native/src/reminder_request.cpp
index 2984b3143b4d01f4d7b4a22c9844bbad7ffa2cc9..d523b9a31f337d1f9ca61ffba7696cab9669ffcc 100644
--- a/frameworks/ans/native/src/reminder_request.cpp
+++ b/frameworks/ans/native/src/reminder_request.cpp
@@ -1101,6 +1101,9 @@ bool ReminderRequest::UpdateNextReminder(const bool &force)
 
 void ReminderRequest::UpdateNotificationCommon()
 {
+    time_t now;
+    (void)time(&now);  // unit is seconds.
+    notificationRequest_->SetDeliveryTime(static_cast<int64_t>(now) * MILLI_SECONDS);
     notificationRequest_->SetLabel(NOTIFICATION_LABEL);
     notificationRequest_->SetShowDeliveryTime(true);
     notificationRequest_->SetTapDismissed(true);
@@ -1114,9 +1117,10 @@ void ReminderRequest::UpdateNotificationCommon()
         || reminderType_ == ReminderRequest::ReminderType::ALARM) {
         notificationRequest_->SetUnremovable(true);
     }
-    time_t now;
-    (void)time(&now);  // unit is seconds.
-    notificationRequest_->SetDeliveryTime(static_cast<int64_t>(now) * MILLI_SECONDS);
+    auto flags = std::make_shared<NotificationFlags>();
+    flags->SetSoundEnabled(NotificationConstant::FlagStatus::CLOSE);
+    flags->SetVibrationEnabled(NotificationConstant::FlagStatus::CLOSE);
+    notificationRequest_->SetFlags(flags);
 }
 
 void ReminderRequest::UpdateNotificationContent(const bool &setSnooze)
diff --git a/frameworks/ans/native/src/reminder_request_calendar.cpp b/frameworks/ans/native/src/reminder_request_calendar.cpp
index df2a62a70b916060e68cc49a9bbcb46432b8e747..87751491934383e7148ec654cc3738010f53243d 100644
--- a/frameworks/ans/native/src/reminder_request_calendar.cpp
+++ b/frameworks/ans/native/src/reminder_request_calendar.cpp
@@ -152,11 +152,11 @@ uint64_t ReminderRequestCalendar::GetNextTriggerTime() const
     tarTime.tm_min = minute_;
     tarTime.tm_sec = 0;
 
+    ANSR_LOGD("Now time is: %{public}s", GetDateTimeInfo(now).c_str());
     if (!(repeatMonth_ > 0 && repeatDay_ > 0)) {
         const time_t target = mktime(&tarTime);
         if (now <= target) {
             triggerTimeInMilli = static_cast<uint64_t>(target) * MILLI_SECONDS;
-            ANSR_LOGD("Now time is: %{public}s", GetDateTimeInfo(now).c_str());
             ANSR_LOGD("Next calendar time:%{public}s", GetDateTimeInfo(target).c_str());
         }
         return triggerTimeInMilli;
@@ -207,11 +207,18 @@ uint64_t ReminderRequestCalendar::GetTimeInstantMilli(
     tar.tm_min = minute;
     tar.tm_sec = second;
     const time_t target = mktime(&tar);
-    if (target < 0) {
-        ANSR_LOGW("GetTImeInstantMilli less than 0.");
+    if (target == -1) {
+        ANSR_LOGW("mktime return error.");
         return INVALID_LONG_LONG_VALUE;
     }
-    return static_cast<uint64_t>(target) * MILLI_SECONDS;
+    auto tarEndTimePoint = std::chrono::system_clock::from_time_t(target);
+    auto tarDuration = std::chrono::duration_cast<std::chrono::milliseconds>(tarEndTimePoint.time_since_epoch());
+    int64_t tarDate = tarDuration.count();
+    if (tarDate < 0) {
+        ANSR_LOGW("tarDuration is less than 0.");
+        return INVALID_LONG_LONG_VALUE;
+    }
+    return static_cast<uint64_t>(tarDate);
 }
 
 void ReminderRequestCalendar::InitDateTime()
diff --git a/services/ans/src/reminder_event_manager.cpp b/services/ans/src/reminder_event_manager.cpp
index f4f75ad54477296cbb38a21b0301079da73f71d2..b864de2080181f15a6a93af6ba57338f2544bf87 100644
--- a/services/ans/src/reminder_event_manager.cpp
+++ b/services/ans/src/reminder_event_manager.cpp
@@ -15,10 +15,11 @@
 
 #include "ans_log_wrapper.h"
 #include "appmgr/app_mgr_constants.h"
+#include "bundle_constants.h"
 #include "bundle_mgr_interface.h"
 #include "common_event_manager.h"
 #include "common_event_support.h"
-#include "bundle_constants.h"
+#include "ipc_skeleton.h"
 
 #include "reminder_event_manager.h"
 
@@ -44,11 +45,14 @@ void ReminderEventManager::init(std::shared_ptr<ReminderDataManager> &reminderDa
     matchingSkills.AddEvent(CommonEventSupport::COMMON_EVENT_TIME_CHANGED);
     CommonEventSubscribeInfo subscriberInfo(matchingSkills);
     auto subscriber = std::make_shared<ReminderEventSubscriber>(subscriberInfo, reminderDataManager);
+
+    std::string identity = IPCSkeleton::ResetCallingIdentity();
     if (CommonEventManager::SubscribeCommonEvent(subscriber)) {
         ANSR_LOGD("SubscribeCommonEvent ok");
     } else {
         ANSR_LOGD("SubscribeCommonEvent fail");
     }
+    IPCSkeleton::SetCallingIdentity(identity);
 }
 
 ReminderEventManager::ReminderEventSubscriber::ReminderEventSubscriber(