diff --git a/frameworks/native/backup_ext/src/ext_extension.cpp b/frameworks/native/backup_ext/src/ext_extension.cpp
index 31fe0acf27fc799fdabef4b749179882c3ff35cd..485f0b64346c3eac8320ad221c9341a9df502bc8 100644
--- a/frameworks/native/backup_ext/src/ext_extension.cpp
+++ b/frameworks/native/backup_ext/src/ext_extension.cpp
@@ -78,8 +78,8 @@ UniqueFd BackupExtExtension::GetFileHandle(const string &fileName)
 
         VerifyCaller();
 
-        if (!regex_match(fileName, regex("^[0-9a-zA-Z_.]+$"))) {
-            throw BError(BError::Codes::EXT_INVAL_ARG, "Filename is not alphanumeric");
+        if (fileName.find('/') != string::npos) {
+            throw BError(BError::Codes::EXT_INVAL_ARG, "Filename is not valid");
         }
 
         string path = string(BConstants::PATH_BUNDLE_BACKUP_HOME).append(BConstants::SA_BUNDLE_BACKUP_RESTORE);
@@ -226,7 +226,7 @@ static bool IsUserTar(const string &tarFile, const string &indexFile)
     auto cache = cachedEntity.Structuralize();
     auto info = cache.GetExtManageInfo();
     for (auto &item : info) {
-        if (item.fileName == tarFile) {
+        if (item.hashName == tarFile) {
             HILOGI("tarFile:%{public}s isUserTar:%{public}d", tarFile.data(), item.isUserTar);
             return item.isUserTar;
         }
diff --git a/services/backup_sa/src/module_ipc/service.cpp b/services/backup_sa/src/module_ipc/service.cpp
index 3fe8dd7e0df51347af654678228f4fa268a3a392..2927e738ddf9a165c0a1eb0a539f42608d1acdb6 100644
--- a/services/backup_sa/src/module_ipc/service.cpp
+++ b/services/backup_sa/src/module_ipc/service.cpp
@@ -352,8 +352,8 @@ ErrCode Service::PublishFile(const BFileInfo &fileInfo)
             sched_->Sched(fileInfo.owner);
             return BError(BError::Codes::OK);
         }
-        if (!regex_match(fileInfo.fileName, regex("^[0-9a-zA-Z_.]+$"))) {
-            throw BError(BError::Codes::SA_INVAL_ARG, "Filename is not alphanumeric");
+        if (fileInfo.fileName.find('/') != string::npos) {
+            throw BError(BError::Codes::SA_INVAL_ARG, "Filename is not valid");
         }
 
         auto backUpConnection = session_->GetExtConnection(fileInfo.owner);
@@ -384,8 +384,8 @@ ErrCode Service::AppFileReady(const string &fileName, UniqueFd fd)
     try {
         HILOGI("Begin");
         string callerName = VerifyCallerAndGetCallerName();
-        if (!regex_match(fileName, regex("^[0-9a-zA-Z_.]+$"))) {
-            throw BError(BError::Codes::SA_INVAL_ARG, "Filename is not alphanumeric");
+        if (fileName.find('/') != string::npos) {
+            throw BError(BError::Codes::SA_INVAL_ARG, "Filename is not valid");
         }
         if (fileName == BConstants::EXT_BACKUP_MANAGE) {
             fd = session_->OnBunleExtManageInfo(callerName, move(fd));
@@ -504,7 +504,7 @@ ErrCode Service::GetFileHandle(const string &bundleName, const string &fileName)
     try {
         HILOGI("Begin");
         VerifyCaller(IServiceReverse::Scenario::RESTORE);
-        if (fileName == BConstants::RESTORE_INSTALL_PATH && regex_match(bundleName, regex("^[0-9a-zA-Z_.]+$"))) {
+        if (fileName == BConstants::RESTORE_INSTALL_PATH && bundleName.find('/') == string::npos) {
             session_->SetInstallState(bundleName, string(BConstants::RESTORE_INSTALL_PATH));
             auto action = session_->GetServiceSchedAction(bundleName);
             if (action == BConstants::ServiceSchedAction::INSTALLING) {
@@ -512,8 +512,8 @@ ErrCode Service::GetFileHandle(const string &bundleName, const string &fileName)
             }
             return BError(BError::Codes::OK);
         }
-        if (!regex_match(fileName, regex("^[0-9a-zA-Z_.]+$"))) {
-            throw BError(BError::Codes::SA_INVAL_ARG, "Filename is not alphanumeric");
+        if (fileName.find('/') != string::npos) {
+            throw BError(BError::Codes::SA_INVAL_ARG, "Filename is not valid");
         }
         SvcRestoreDepsManager::GetInstance().UpdateToRestoreBundleMap(bundleName, fileName);
         session_->SetExtFileNameRequest(bundleName, fileName);
diff --git a/tools/backup_tool/src/tools_op_backup.cpp b/tools/backup_tool/src/tools_op_backup.cpp
index c85c557bf865c253eb257559ffc82389a487930c..2d0a4657c0c284855ca6388642dc2a02ecacf580 100644
--- a/tools/backup_tool/src/tools_op_backup.cpp
+++ b/tools/backup_tool/src/tools_op_backup.cpp
@@ -132,8 +132,8 @@ static void OnFileReady(shared_ptr<Session> ctx, const BFileInfo &fileInfo, Uniq
     if (access(tmpPath.data(), F_OK) != 0 && mkdir(tmpPath.data(), S_IRWXU) != 0) {
         throw BError(BError::Codes::TOOL_INVAL_ARG, generic_category().message(errno));
     }
-    if (!regex_match(fileInfo.fileName, regex("^[0-9a-zA-Z_.]+$"))) {
-        throw BError(BError::Codes::TOOL_INVAL_ARG, "Filename is not alphanumeric");
+    if (fileInfo.fileName.find('/') != string::npos) {
+        throw BError(BError::Codes::TOOL_INVAL_ARG, "Filename is not valid");
     }
     UniqueFd fdLocal(open((tmpPath + "/" + fileInfo.fileName).data(), O_WRONLY | O_CREAT | O_TRUNC, S_IRWXU));
     if (fdLocal < 0) {
diff --git a/tools/backup_tool/src/tools_op_restore.cpp b/tools/backup_tool/src/tools_op_restore.cpp
index 53c1b301b32ee49f3cf9f4a13f66178cbf2768c7..90c3538c3c2c04ec2cd575141b3e614c70b62fbc 100644
--- a/tools/backup_tool/src/tools_op_restore.cpp
+++ b/tools/backup_tool/src/tools_op_restore.cpp
@@ -131,9 +131,9 @@ static void OnFileReady(shared_ptr<Session> ctx, const BFileInfo &fileInfo, Uniq
 {
     printf("FileReady owner = %s, fileName = %s, sn = %u, fd = %d\n", fileInfo.owner.c_str(), fileInfo.fileName.c_str(),
            fileInfo.sn, fd.Get());
-    if (!regex_match(fileInfo.fileName, regex("^[0-9a-zA-Z_.]+$")) &&
+    if (fileInfo.fileName.find('/') != string::npos &&
         fileInfo.fileName != BConstants::RESTORE_INSTALL_PATH) {
-        throw BError(BError::Codes::TOOL_INVAL_ARG, "Filename is not alphanumeric");
+        throw BError(BError::Codes::TOOL_INVAL_ARG, "Filename is not valid");
     }
     string tmpPath;
     if (fileInfo.fileName == BConstants::RESTORE_INSTALL_PATH) {
@@ -208,8 +208,8 @@ static void RestoreApp(shared_ptr<Session> restore, vector<BundleName> &bundleNa
         throw BError(BError::Codes::TOOL_INVAL_ARG, generic_category().message(errno));
     }
     for (auto &bundleName : bundleNames) {
-        if (!regex_match(bundleName, regex("^[0-9a-zA-Z_.]+$"))) {
-            throw BError(BError::Codes::TOOL_INVAL_ARG, "bundleName is not alphanumeric");
+        if (bundleName.find('/') != string::npos) {
+            throw BError(BError::Codes::TOOL_INVAL_ARG, "Filename is not valid");
         }
         string path = string(BConstants::BACKUP_TOOL_RECEIVE_DIR) + bundleName;
         if (access(path.data(), F_OK) != 0) {
diff --git a/tools/backup_tool/src/tools_op_restore_async.cpp b/tools/backup_tool/src/tools_op_restore_async.cpp
index 18e1683a7d71a47da95cc2a6eee20297aa7c42e9..6869963eca88766141aad401bfec87f9caea6f1c 100644
--- a/tools/backup_tool/src/tools_op_restore_async.cpp
+++ b/tools/backup_tool/src/tools_op_restore_async.cpp
@@ -81,9 +81,9 @@ static void OnFileReady(shared_ptr<SessionAsync> ctx, const BFileInfo &fileInfo,
 {
     printf("FileReady owner = %s, fileName = %s, sn = %u, fd = %d\n", fileInfo.owner.c_str(), fileInfo.fileName.c_str(),
            fileInfo.sn, fd.Get());
-    if (!regex_match(fileInfo.fileName, regex("^[0-9a-zA-Z_.]+$")) &&
+    if (fileInfo.fileName.find('/') != string::npos &&
         fileInfo.fileName != BConstants::RESTORE_INSTALL_PATH) {
-        throw BError(BError::Codes::TOOL_INVAL_ARG, "Filename is not alphanumeric");
+        throw BError(BError::Codes::TOOL_INVAL_ARG, "Filename is not valid");
     }
     string tmpPath;
     if (fileInfo.fileName == BConstants::RESTORE_INSTALL_PATH) {
@@ -144,8 +144,8 @@ static void RestoreApp(shared_ptr<SessionAsync> restore, vector<BundleName> &bun
         throw BError(BError::Codes::TOOL_INVAL_ARG, generic_category().message(errno));
     }
     for (auto &bundleName : bundleNames) {
-        if (!regex_match(bundleName, regex("^[0-9a-zA-Z_.]+$"))) {
-            throw BError(BError::Codes::TOOL_INVAL_ARG, "bundleName is not alphanumeric");
+        if (bundleName.find('/') != string::npos) {
+            throw BError(BError::Codes::TOOL_INVAL_ARG, "bundleName is not valid");
         }
         string path = string(BConstants::BACKUP_TOOL_RECEIVE_DIR) + bundleName;
         if (access(path.data(), F_OK) != 0) {