diff --git a/services/dtbschedmgr/include/multi_user_manager.h b/services/dtbschedmgr/include/multi_user_manager.h
index f11bd57d..bfb845f0 100644
--- a/services/dtbschedmgr/include/multi_user_manager.h
+++ b/services/dtbschedmgr/include/multi_user_manager.h
@@ -26,7 +26,15 @@
 namespace OHOS {
 namespace DistributedSchedule {
 class MultiUserManager {
-    DECLARE_SINGLE_INSTANCE(MultiUserManager);
+public:
+    static MultiUserManager& GetInstance();
+private:
+    MultiUserManager(const MultiUserManager&) = delete;
+    MultiUserManager& operator= (const MultiUserManager&) = delete;
+    MultiUserManager(MultiUserManager&&) = delete;
+    MultiUserManager& operator= (MultiUserManager&&) = delete;
+    MultiUserManager();
+    ~MultiUserManager() = default;
 
 public:
     void Init();
diff --git a/services/dtbschedmgr/src/multi_user_manager.cpp b/services/dtbschedmgr/src/multi_user_manager.cpp
index 254128b0..90dc5182 100644
--- a/services/dtbschedmgr/src/multi_user_manager.cpp
+++ b/services/dtbschedmgr/src/multi_user_manager.cpp
@@ -31,7 +31,19 @@ namespace {
     const std::string TAG = "MultiUserManager";
 }
 
-IMPLEMENT_SINGLE_INSTANCE(MultiUserManager);
+MultiUserManager& MultiUserManager::GetInstance()
+{
+    static auto instance = new MultiUserManager();
+    return *instance;
+}
+
+MultiUserManager::MultiUserManager()
+{
+    HILOGI("Start.");
+    if (currentUserId_ <= 0) {
+        Init();
+    }
+}
 
 void MultiUserManager::Init()
 {