diff --git a/services/timer/include/timer_manager.h b/services/timer/include/timer_manager.h
index 09fbc64..397bbcc 100644
--- a/services/timer/include/timer_manager.h
+++ b/services/timer/include/timer_manager.h
@@ -93,6 +93,7 @@ private:
     std::chrono::steady_clock::time_point ConvertToElapsed(std::chrono::milliseconds when, int type);
     std::chrono::steady_clock::time_point GetBootTimeNs();
     void CallbackAlarmIfNeed(std::shared_ptr<TimerInfo> alarm);
+    bool StopTimerInner(uint64_t timerNumber, bool needDestroy);
     void RemoveProxy(uint64_t timerNumber, int32_t uid);
 
     std::map<uint64_t, std::shared_ptr<TimerEntry>> timerEntryMap_;
diff --git a/services/timer/src/timer_manager.cpp b/services/timer/src/timer_manager.cpp
index e54cf04..ab6bb1a 100644
--- a/services/timer/src/timer_manager.cpp
+++ b/services/timer/src/timer_manager.cpp
@@ -126,23 +126,15 @@ bool TimerManager::StartTimer(uint64_t timerNumber, uint64_t triggerTime)
 
 bool TimerManager::StopTimer(uint64_t timerNumber)
 {
-    TIME_HILOGD(TIME_MODULE_SERVICE, "start.");
-    std::lock_guard<std::mutex> lock(entryMapMutex_);
-    auto it = timerEntryMap_.find(timerNumber);
-    if (it == timerEntryMap_.end()) {
-        TIME_HILOGD(TIME_MODULE_SERVICE, "end.");
-        return false;
-    }
-    RemoveHandler(timerNumber);
-    if (it->second) {
-        int32_t uid = it->second->uid;
-        RemoveProxy(timerNumber, uid);
-    }
-    TIME_HILOGD(TIME_MODULE_SERVICE, "end.");
-    return true;
+    return StopTimerInner(timerNumber, false);
 }
 
 bool TimerManager::DestroyTimer(uint64_t timerNumber)
+{
+    return StopTimerInner(timerNumber, true);
+}
+
+bool TimerManager::StopTimerInner(uint64_t timerNumber, bool needDestroy)
 {
     TIME_HILOGD(TIME_MODULE_SERVICE, "start id: %{public}" PRId64 "", timerNumber);
     std::lock_guard<std::mutex> lock(entryMapMutex_);
@@ -156,7 +148,9 @@ bool TimerManager::DestroyTimer(uint64_t timerNumber)
         int32_t uid = it->second->uid;
         RemoveProxy(timerNumber, uid);
     }
-    timerEntryMap_.erase(it);
+    if (needDestroy) {
+        timerEntryMap_.erase(it);
+    }
     TIME_HILOGD(TIME_MODULE_SERVICE, "end.");
     return true;
 }