diff --git a/services/timer/include/timer_manager.h b/services/timer/include/timer_manager.h
index f857f9e..7b2b6b6 100644
--- a/services/timer/include/timer_manager.h
+++ b/services/timer/include/timer_manager.h
@@ -17,13 +17,8 @@
 
 #include <cinttypes>
 #include <mutex>
-#include <thread>
-#include <atomic>
 #include <vector>
-#include <chrono>
-#include <functional>
 #include <map>
-#include <random>
 #include "batch.h"
 #include "timer_handler.h"
 
diff --git a/services/timer/src/timer_handler.cpp b/services/timer/src/timer_handler.cpp
index 8dd86a0..dad2e78 100644
--- a/services/timer/src/timer_handler.cpp
+++ b/services/timer/src/timer_handler.cpp
@@ -13,18 +13,18 @@
  * limitations under the License.
  */
 
-#include <sys/epoll.h>
-#include <iostream>
-#include <cstring>
-#include <sys/timerfd.h>
 #include <unistd.h>
-#include <linux/rtc.h>
+#include <cstring>
 #include <fcntl.h>
 #include <sys/ioctl.h>
-#include <dirent.h>
+#include <sys/epoll.h>
+#include <sys/timerfd.h>
 #include <sys/time.h>
+#include <dirent.h>
 #include <sstream>
 #include <fstream>
+#include <iostream>
+#include <linux/rtc.h>
 #include "timer_handler.h"
 
 namespace OHOS {
@@ -65,7 +65,7 @@ std::shared_ptr<TimerHandler> TimerHandler::Create()
         }
     }
 
-    std::shared_ptr<TimerHandler> handler = std::make_shared<TimerHandler>(fds, epollfd);
+    std::shared_ptr<TimerHandler> handler = std::shared_ptr<TimerHandler>(new TimerHandler(fds, epollfd));
     for (size_t i = 0; i < fds.size(); i++) {
         epoll_event event {};
         event.events = EPOLLIN | EPOLLWAKEUP;
diff --git a/services/timer/src/timer_manager.cpp b/services/timer/src/timer_manager.cpp
index 466a7f2..29fd559 100644
--- a/services/timer/src/timer_manager.cpp
+++ b/services/timer/src/timer_manager.cpp
@@ -52,7 +52,7 @@ std::shared_ptr<TimerManager> TimerManager::Create()
         TIME_HILOGE(TIME_MODULE_SERVICE, "Create Timer handle failed.");
         return nullptr;
     }
-    return std::make_shared<TimerManager>(impl);
+    return std::shared_ptr<TimerManager>(new TimerManager(impl));
 }
 
 TimerManager::TimerManager(std::shared_ptr<TimerHandler> impl)