diff --git a/services/backup_sa/src/module_ipc/service.cpp b/services/backup_sa/src/module_ipc/service.cpp
index aedb2327731880814acbf5c613165db68b51d23b..df8aaec1b99270f53fba88c7c7c3027764bd6afe 100644
--- a/services/backup_sa/src/module_ipc/service.cpp
+++ b/services/backup_sa/src/module_ipc/service.cpp
@@ -613,8 +613,7 @@ void Service::ExtStart(const string &bundleName)
         if (!proxy) {
             throw BError(BError::Codes::SA_INVAL_ARG, "Extension backup Proxy is empty");
         }
-        if (session_->GetBundleVersionCode(bundleName) != BConstants::DEFAULT_VERSION_CODE &&
-            session_->GetBundleVersionName(bundleName) != BConstants::DEFAULT_VERSION_NAME &&
+        if (session_->GetBundleVersionName(bundleName) != BConstants::DEFAULT_VERSION_NAME &&
             session_->GetBundleRestoreType(bundleName) != RestoreTypeEnum::RESTORE_DATA_READDY) {
             proxy->HandleClear();
         }
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 f6b89f44a216bfa7d1a0c339182d276cb18db985..be5022bb6006865adf4887268a2279f9fce97563 100644
--- a/services/backup_sa/src/module_ipc/svc_session_manager.cpp
+++ b/services/backup_sa/src/module_ipc/svc_session_manager.cpp
@@ -22,6 +22,8 @@
 #include <sstream>
 #include <string>
 
+#include <directory_ex.h>
+
 #include "b_error/b_error.h"
 #include "b_file_info.h"
 #include "b_json/b_json_entity_caps.h"
@@ -188,6 +190,20 @@ UniqueFd SvcSessionManager::OnBunleExtManageInfo(const string &bundleName, Uniqu
     return move(cachedEntity.GetFd());
 }
 
+static void RemoveDir(IServiceReverse::Scenario scenario, int32_t userId, const string &bundleName)
+{
+    // delete extention data
+    string path = BConstants::GetBundleBackupDir(userId, bundleName);
+    if (scenario == IServiceReverse::Scenario::BACKUP) {
+        path.append(BConstants::SA_BUNDLE_BACKUP_BACKUP);
+    } else {
+        path.append(BConstants::SA_BUNDLE_BACKUP_RESTORE);
+    }
+    if (ForceRemoveDirectory(path)) {
+        HILOGE("Failed to remove %{public}s: %{public}s", path.c_str(), strerror(errno));
+    }
+}
+
 void SvcSessionManager::RemoveExtInfo(const string &bundleName)
 {
     HILOGI("Begin");
@@ -196,6 +212,8 @@ void SvcSessionManager::RemoveExtInfo(const string &bundleName)
     if (it == impl_.backupExtNameMap.end()) {
         return;
     }
+    // delete extention data
+    RemoveDir(impl_.scenario, impl_.userId, bundleName);
     impl_.backupExtNameMap.erase(it);
     if (extConnectNum_) {
         extConnectNum_--;
diff --git a/utils/include/b_resources/b_constants.h b/utils/include/b_resources/b_constants.h
index 8d486942eb3b5e313e84143dae631a5ca3d01422..4d24071a79fd0a958b9a9ce794557ce2717bfd96 100644
--- a/utils/include/b_resources/b_constants.h
+++ b/utils/include/b_resources/b_constants.h
@@ -108,6 +108,17 @@ static inline std::string GetSaBundleBackupToolDir(int32_t userId)
     return str;
 }
 
+// 多用户场景应用备份恢复临时数据路径
+static inline std::string GetBundleBackupDir(int32_t userId, std::string bundleName)
+{
+    std::string str;
+    str.append("/data/service/el2/");
+    str.append(std::to_string(userId));
+    str.append("/backup/bundles/");
+    str.append(bundleName);
+    return str;
+}
+
 // 备份恢复配置文件暂存路径
 static inline std::string_view BACKUP_CONFIG_EXTENSION_PATH = "/data/storage/el2/base/temp/";