diff --git a/services/backup_sa/src/module_external/sms_adapter.cpp b/services/backup_sa/src/module_external/sms_adapter.cpp
index d37937369e9ea3c26eb5159fa5e28a2d4019442a..81ceb224f40484607092e45b9eb10ae4ce9b9074 100644
--- a/services/backup_sa/src/module_external/sms_adapter.cpp
+++ b/services/backup_sa/src/module_external/sms_adapter.cpp
@@ -31,6 +31,7 @@ const string MEDIA_LIBRARY_HAP = "com.ohos.medialibrary.medialibrarydata";
 const string EXTERNAL_FILE_HAP = "com.ohos.UserFile.ExternalFileManager";
 const string MEDIA_TYPE = "media";
 const string FILE_TYPE = "file";
+const int64_t ERR_SIZE = -1;
 } // namespace
 
 static sptr<StorageManager::IStorageManager> GetStorageManager()
@@ -64,12 +65,14 @@ int64_t StorageMgrAdapter::GetUserStorageStats(const std::string &bundleName, in
     auto storageMgr = GetStorageManager();
     if (bundleName == MEDIA_LIBRARY_HAP) {
         if (storageMgr->GetUserStorageStatsByType(userId, bundleStats, MEDIA_TYPE)) {
-            throw BError(BError::Codes::SA_BROKEN_IPC, "Failed to get user media storage stats");
+            HILOGE("Failed to get user media storage stats");
+            return ERR_SIZE;
         }
         return bundleStats.image_ + bundleStats.video_;
     } else if (bundleName == EXTERNAL_FILE_HAP) {
         if (storageMgr->GetUserStorageStatsByType(userId, bundleStats, FILE_TYPE)) {
-            throw BError(BError::Codes::SA_BROKEN_IPC, "Failed to get user file storage stats");
+            HILOGE("Failed to get user file storage stats");
+            return ERR_SIZE;
         }
         return bundleStats.file_;
     }
diff --git a/services/backup_sa/src/module_ipc/service.cpp b/services/backup_sa/src/module_ipc/service.cpp
index 91fd3273bdfc6b83c8c9593b7154fccf39020981..a920813304fc38ad7287bdd30d98c8b167fee814 100644
--- a/services/backup_sa/src/module_ipc/service.cpp
+++ b/services/backup_sa/src/module_ipc/service.cpp
@@ -1221,7 +1221,7 @@ void Service::ExtConnectFailed(const string &bundleName, ErrCode ret)
         ReportOnExtConnectFailed(scenario, bundleName, ret);
         SendEndAppGalleryNotify(bundleName);
         ClearSessionAndSchedInfo(bundleName);
-        NoticeClientFinish(bundleName, BError(BError::Codes::EXT_ABILITY_DIED));
+        OnAllBundlesFinished(BError(BError::Codes::OK));
         return;
     } catch (const BError &e) {
         HILOGE("ExtConnectFailed exception, bundleName:%{public}s", bundleName.c_str());