diff --git a/services/backup_sa/include/module_external/bms_adapter.h b/services/backup_sa/include/module_external/bms_adapter.h
index 9903ec49819016f24a4487f1a1fc747c60782d9c..5f7dd28468a4a550cf3ce413257127cb6570bb32 100644
--- a/services/backup_sa/include/module_external/bms_adapter.h
+++ b/services/backup_sa/include/module_external/bms_adapter.h
@@ -63,6 +63,8 @@ public:
         const std::vector<BIncrementalData> &incrementalDataList, int32_t userId);
 
     static std::vector<BJsonEntityCaps::BundleInfo> GetBundleInfosForIncremental(int32_t userId);
+
+    static std::string GetExtName(string bundleName, int32_t userId);
 };
 } // namespace OHOS::FileManagement::Backup
 #endif // OHOS_FILEMGMT_BACKUP_BUNDLE_MGR_ADAPTER_H
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..e27bf402d9949543a24f1670a28ba079141e7aff 100644
--- a/services/backup_sa/include/module_ipc/svc_session_manager.h
+++ b/services/backup_sa/include/module_ipc/svc_session_manager.h
@@ -258,7 +258,7 @@ public:
      *
      * @param bundleName 应用名称
      */
-    void CreateBackupConnection(BundleName &bundleName);
+    void CreateBackupConnection(BundleName &bundleName, std::string extName);
     
     /**
      * @brief 开始备份
diff --git a/services/backup_sa/src/module_external/bms_adapter.cpp b/services/backup_sa/src/module_external/bms_adapter.cpp
index bb12e66279ecce2169ca27b6e854ec6167469c5f..a660695662727261a6e862e9e4a388643318e6c9 100644
--- a/services/backup_sa/src/module_external/bms_adapter.cpp
+++ b/services/backup_sa/src/module_external/bms_adapter.cpp
@@ -336,4 +336,27 @@ vector<BJsonEntityCaps::BundleInfo> BundleMgrAdapter::GetBundleInfosForIncrement
     }
     return BundleMgrAdapter::GetBundleInfosForIncremental(bundleNames, userId);
 }
+
+string BundleMgrAdapter::GetExtName(string bundleName, int32_t userId)
+{
+    vector<AppExecFwk::BundleInfo> installedBundles;
+    auto bms = GetBundleManager();
+    if (!bms->GetBundleInfos(AppExecFwk::GET_BUNDLE_WITH_EXTENSION_INFO, installedBundles, userId)) {
+        throw BError(BError::Codes::SA_BROKEN_IPC, "Failed to get bundle infos");
+    }
+    for (auto const &installedBundle : installedBundles) {
+        if (installedBundle.applicationInfo.codePath == HMOS_HAP_CODE_PATH ||
+            installedBundle.applicationInfo.codePath == LINUX_HAP_CODE_PATH) {
+            HILOGI("Unsupported applications, name : %{public}s", installedBundle.name.data());
+            continue;
+        }
+        for (auto ext : installedBundle.extensionInfos) {
+            if (ext.bundleName != bundleName) {
+                continue;
+            }
+            return ext.name;
+        }
+    }
+    return "BackupExtensionAbility";
+}
 } // namespace OHOS::FileManagement::Backup
diff --git a/services/backup_sa/src/module_ipc/service.cpp b/services/backup_sa/src/module_ipc/service.cpp
index 0844f9e8da124b177d1bc7723f4eb71992a300a2..449a2013291f1ee8ee4acca8911ec8bef59b6bf0 100644
--- a/services/backup_sa/src/module_ipc/service.cpp
+++ b/services/backup_sa/src/module_ipc/service.cpp
@@ -938,7 +938,8 @@ ErrCode Service::GetBackupInfo(BundleName &bundleName, std::string &result)
     try {
         HILOGI("Service::GetBackupInfo begin.");
         session_->IncreaseSessionCnt();
-        session_->CreateBackupConnection(bundleName);
+        std::string extName = BundleMgrAdapter::GetExtName(bundleName, session_->GetSessionUserId());
+        session_->CreateBackupConnection(bundleName, extName);
         auto backupConnection = session_->GetExtConnection(bundleName);
         auto callConnDone = [ptr {wptr(this)}](const string &&bundleName) {
             HILOGI("callConnDone begin.");
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..c56d99093b29fb7259091282c0e8d96d59c95dc8 100644
--- a/services/backup_sa/src/module_ipc/svc_session_manager.cpp
+++ b/services/backup_sa/src/module_ipc/svc_session_manager.cpp
@@ -404,17 +404,17 @@ void SvcSessionManager::AppendBundles(const vector<BundleName> &bundleNames)
     impl_.isAppendFinish = true;
 }
 
-void SvcSessionManager::CreateBackupConnection(BundleName &bundleName)
+void SvcSessionManager::CreateBackupConnection(BundleName &bundleName, string extName)
 {
     HILOGI("SvcSessionManager::CreateBackupConnection begin.");
     unique_lock<shared_mutex> lock(lock_);
     if (!impl_.clientToken) {
         throw BError(BError::Codes::SA_INVAL_ARG, "No caller token was specified");
     }
-    HILOGD("bundleName: %{public}s", bundleName.c_str());
+    HILOGD("bundleName: %{public}s, extName: %{public}s", bundleName.c_str(), extName.c_str());
     BackupExtInfo info {};
     info.backUpConnection = GetBackupExtAbility(bundleName);
-    info.backupExtName = bundleName;
+    info.backupExtName = extName;
     impl_.backupExtNameMap.insert(make_pair(bundleName, info));
 }
 
diff --git a/tests/mock/module_external/bms_adapter_mock.cpp b/tests/mock/module_external/bms_adapter_mock.cpp
index afff66e3ee8222dfd7c395189bc63a8ffc2ff2a6..8d412f2a713a50517bbdc72ba0dde76a8bf65380 100644
--- a/tests/mock/module_external/bms_adapter_mock.cpp
+++ b/tests/mock/module_external/bms_adapter_mock.cpp
@@ -65,4 +65,9 @@ vector<BJsonEntityCaps::BundleInfo> BundleMgrAdapter::GetBundleInfosForIncrement
         BJsonEntityCaps::BundleInfo {"com.example.app2backup", {}, {}, 0, true, "com.example.app2backup"});
     return bundleInfos;
 }
+
+string BundleMgrAdapter::GetExtName(string bundleName, int32_t userId)
+{
+    return "BackupExtensionAbility";
+}
 } // 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..8c4cae1f2fe96fde92b149da77665207e4973eb3 100644
--- a/tests/mock/module_ipc/svc_session_manager_mock.cpp
+++ b/tests/mock/module_ipc/svc_session_manager_mock.cpp
@@ -202,7 +202,7 @@ void SvcSessionManager::AppendBundles(const vector<BundleName> &bundleNames)
     impl_.backupExtNameMap.insert(make_pair("com.example.app2backup", info));
 }
 
-void SvcSessionManager::CreateBackupConnection(BundleName &bundleName)
+void SvcSessionManager::CreateBackupConnection(BundleName &bundleName, string extName)
 {
     GTEST_LOG_(INFO) << "CreateBackupConnection";
     BackupExtInfo info {};
diff --git a/tests/unittests/backup_api/backup_impl/service_reverse_test.cpp b/tests/unittests/backup_api/backup_impl/service_reverse_test.cpp
index e070407997b717922fe221327815835aaa633e06..47aae9a7ebeb12e365412029eaba21e94eb355da 100644
--- a/tests/unittests/backup_api/backup_impl/service_reverse_test.cpp
+++ b/tests/unittests/backup_api/backup_impl/service_reverse_test.cpp
@@ -1222,7 +1222,7 @@ HWTEST_F(ServiceReverseTest, SUB_backup_ServiceReverse_RestoreOnResultReport_010
 {
     GTEST_LOG_(INFO) << "ServiceReverseTest-begin SUB_backup_ServiceReverse_RestoreOnResultReport_0100";
     try {
-        Init(IServiceReverse::Scenario::BACKUP);
+        Init(IServiceReverse::Scenario::RESTORE);
         std::string resultReport = "result_report";
         service_->RestoreOnResultReport(resultReport);
     } catch (...) {