diff --git a/frameworks/native/backup_ext/src/ext_backup.cpp b/frameworks/native/backup_ext/src/ext_backup.cpp
index f49be75fe5999aad627b1c5269dd2adfcb156bb7..5d2bceaac18f6d2389c074f68f6865a307e93c39 100644
--- a/frameworks/native/backup_ext/src/ext_backup.cpp
+++ b/frameworks/native/backup_ext/src/ext_backup.cpp
@@ -92,6 +92,7 @@ void ExtBackup::OnCommand(const AAFwk::Want &want, bool restart, int startId)
 
 string ExtBackup::GetUsrConfig() const
 {
+    HILOGI("Begin.");
     vector<string> config;
     AppExecFwk::BundleMgrClient client;
     BExcepUltils::BAssert(abilityInfo_, BError::Codes::EXT_BROKEN_FRAMEWORK, "Invalid abilityInfo_");
@@ -99,7 +100,7 @@ string ExtBackup::GetUsrConfig() const
     if (!client.GetProfileFromAbility(info, "ohos.extension.backup", config)) {
         throw BError(BError::Codes::EXT_INVAL_ARG, "Failed to invoke the GetProfileFromAbility method.");
     }
-
+    HILOGI("End.");
     return config.empty() ? "" : config[0];
 }
 
diff --git a/frameworks/native/backup_ext/src/ext_extension.cpp b/frameworks/native/backup_ext/src/ext_extension.cpp
index b9e53947846f6aa125a9b10bd39bbccc43feb3d3..597cf5bfb9c901b928137af95019d82c1aa3a55e 100644
--- a/frameworks/native/backup_ext/src/ext_extension.cpp
+++ b/frameworks/native/backup_ext/src/ext_extension.cpp
@@ -1471,7 +1471,7 @@ void BackupExtExtension::AsyncTaskOnIncrementalBackup(const map<string, struct R
             ptr->AppIncrementalDone(BError(BError::Codes::EXT_INVAL_ARG).GetCode());
         }
     };
-
+    HILOGI("AddTask start.");
     threadPool_.AddTask([task]() {
         try {
             task();
diff --git a/services/backup_sa/include/module_ipc/svc_session_manager.h b/services/backup_sa/include/module_ipc/svc_session_manager.h
index 12c647180475236369ef15aa6ad3773214468aaa..a0bfa9aaf332f3304bf18d47623226a867117494 100644
--- a/services/backup_sa/include/module_ipc/svc_session_manager.h
+++ b/services/backup_sa/include/module_ipc/svc_session_manager.h
@@ -436,6 +436,8 @@ public:
 
     bool ValidRestoreDataType(RestoreTypeEnum restoreType);
 
+    bool IsServiceDied();
+
 private:
     /**
      * @brief 获取backup extension ability
diff --git a/services/backup_sa/src/module_ipc/service.cpp b/services/backup_sa/src/module_ipc/service.cpp
index 8442b27592f1bd5b0796fb26638b5f31f0cfc2e9..cec0345311030f84bac75fe4897fbd3af830cd6e 100644
--- a/services/backup_sa/src/module_ipc/service.cpp
+++ b/services/backup_sa/src/module_ipc/service.cpp
@@ -66,6 +66,7 @@ REGISTER_SYSTEM_ABILITY_BY_ID(Service, FILEMANAGEMENT_BACKUP_SERVICE_SA_ID, fals
 namespace {
 constexpr int32_t DEBUG_ID = 100;
 const static string COMMON_EVENT_TYPE = "broadcast";
+constexpr int32_t ERR_SERVICE_DIED = 29189; // ipc err: the app service died.
 const int32_t CONNECT_WAIT_TIME_S = 15;
 } // namespace
 
@@ -767,7 +768,7 @@ void Service::ExtStart(const string &bundleName)
         if (scenario == IServiceReverse::Scenario::BACKUP) {
             auto ret = proxy->HandleBackup();
             session_->GetServiceReverseProxy()->BackupOnBundleStarted(ret, bundleName);
-            if (ret) {
+            if (ret && ret != ERR_SERVICE_DIED) {
                 ClearSessionAndSchedInfo(bundleName);
             }
             return;
diff --git a/services/backup_sa/src/module_ipc/service_incremental.cpp b/services/backup_sa/src/module_ipc/service_incremental.cpp
index cec2eeec1eaf6103dca4842f91ac479681b2d93f..cf1b20b20e8f3fd595d7622a4e5db2b50321ffda 100644
--- a/services/backup_sa/src/module_ipc/service_incremental.cpp
+++ b/services/backup_sa/src/module_ipc/service_incremental.cpp
@@ -50,6 +50,7 @@ using namespace std;
 
 namespace {
 constexpr int32_t DEBUG_ID = 100;
+constexpr int32_t ERR_SERVICE_DIED = 29189; // ipc err: the app service died.
 } // namespace
 
 static inline int32_t GetUserIdDefault()
@@ -70,6 +71,10 @@ ErrCode Service::Release()
 {
     HITRACE_METER_NAME(HITRACE_TAG_FILEMANAGEMENT, __PRETTY_FUNCTION__);
     HILOGI("KILL");
+    if (session_->IsServiceDied()) {
+        HILOGI("Session has been released.");
+        return BError(BError::Codes::OK);
+    }
     VerifyCaller(session_->GetScenario());
     SessionDeactive();
     return BError(BError::Codes::OK);
@@ -348,7 +353,7 @@ bool Service::IncrementalBackup(const string &bundleName)
         UniqueFd lastManifestFd(session_->GetIncrementalManifestFd(bundleName));
         auto ret = proxy->HandleIncrementalBackup(move(fdLocal), move(lastManifestFd));
         session_->GetServiceReverseProxy()->IncrementalBackupOnBundleStarted(ret, bundleName);
-        if (ret) {
+        if (ret && ret != ERR_SERVICE_DIED) {
             ClearSessionAndSchedInfo(bundleName);
         }
         return true;
diff --git a/services/backup_sa/src/module_ipc/svc_session_manager.cpp b/services/backup_sa/src/module_ipc/svc_session_manager.cpp
index 34c3b55b1ed62a5a8b6eef26bbed23824246a0f8..9dd65a751402c704a0e4581d890f2c63c7905fc8 100644
--- a/services/backup_sa/src/module_ipc/svc_session_manager.cpp
+++ b/services/backup_sa/src/module_ipc/svc_session_manager.cpp
@@ -706,4 +706,9 @@ bool SvcSessionManager::ValidRestoreDataType(RestoreTypeEnum restoreDataType)
 {
     return impl_.restoreDataType == restoreDataType;
 }
+
+bool SvcSessionManager::IsServiceDied()
+{
+    return impl_.clientProxy == nullptr;
+}
 } // namespace OHOS::FileManagement::Backup
diff --git a/tests/mock/module_ipc/svc_session_manager_mock.cpp b/tests/mock/module_ipc/svc_session_manager_mock.cpp
index 69f45fd8d48593662c47251ea56a842d1fd8d85f..ea7354402117b3ec38eb9f47175f4bdaeb3e7679 100644
--- a/tests/mock/module_ipc/svc_session_manager_mock.cpp
+++ b/tests/mock/module_ipc/svc_session_manager_mock.cpp
@@ -352,4 +352,9 @@ int64_t SvcSessionManager::GetLastIncrementalTime(const string &bundleName)
 {
     return 0;
 }
+
+bool SvcSessionManager::IsServiceDied()
+{
+    return impl_.clientProxy == nullptr;
+}
 } // namespace OHOS::FileManagement::Backup