diff --git a/services/backup_sa/include/module_ipc/service.h b/services/backup_sa/include/module_ipc/service.h
index 0ab8e2a34d12f97cd23ff6f5a484c1dd0e1813fb..533d798b42e75498ed6459568778453513975167 100644
--- a/services/backup_sa/include/module_ipc/service.h
+++ b/services/backup_sa/include/module_ipc/service.h
@@ -171,7 +171,8 @@ public:
 public:
     explicit Service(int32_t saID, bool runOnCreate = false) : SystemAbility(saID, runOnCreate)
     {
-        session_ = sptr<SvcSessionManager>(new SvcSessionManager(wptr(this)));
+        instance_ = sptr(this);
+        session_ = sptr<SvcSessionManager>(new SvcSessionManager(instance_));
     };
     ~Service() override = default;
 
@@ -287,7 +288,7 @@ private:
     ErrCode BackupSA(std::string bundleName);
 
 private:
-    static sptr<Service> instance_;
+    static inline sptr<Service> instance_;
     static std::mutex instanceLock_;
     std::mutex getBackupInfoMutx_;
     std::condition_variable getBackupInfoCondition_;