diff --git a/frameworks/native/backup_ext/include/ext_backup.h b/frameworks/native/backup_ext/include/ext_backup.h
index 73d64e73181e2126d2339328bf56d177a21d58a1..bf2e48c6b1613bc3a2543c71512778c0343903bb 100644
--- a/frameworks/native/backup_ext/include/ext_backup.h
+++ b/frameworks/native/backup_ext/include/ext_backup.h
@@ -108,6 +108,13 @@ public:
      */
     virtual bool AllowToBackupRestore() const;
 
+    /**
+     * @brief Get whether FullBackupOnly or not
+     *
+     * @return FullBackupOnly ro not
+     */
+    virtual bool UseFullBackupOnly(void) const;
+
     /**
      * @brief Get the user configure
      *
diff --git a/frameworks/native/backup_ext/src/ext_backup.cpp b/frameworks/native/backup_ext/src/ext_backup.cpp
index cf584ce068b64f7790ee38daa39936c1cfc0bc24..127a5ca0833b47a7a4a36224c83ef0680d9b8e3f 100644
--- a/frameworks/native/backup_ext/src/ext_backup.cpp
+++ b/frameworks/native/backup_ext/src/ext_backup.cpp
@@ -113,6 +113,19 @@ bool ExtBackup::AllowToBackupRestore() const
     return false;
 }
 
+bool ExtBackup::UseFullBackupOnly(void) const
+{
+    string usrConfig = GetUsrConfig();
+    BJsonCachedEntity<BJsonEntityExtensionConfig> cachedEntity(usrConfig);
+    auto cache = cachedEntity.Structuralize();
+    if (cache.GetFullBackupOnly()) {
+        HILOGI("backup use fullBackupOnly.");
+        return true;
+    }
+    HILOGI("backup not use fullBackupOnly.");
+    return false;
+}
+
 BConstants::ExtensionAction ExtBackup::GetExtensionAction() const
 {
     return extAction_;
diff --git a/frameworks/native/backup_ext/src/ext_backup_js.cpp b/frameworks/native/backup_ext/src/ext_backup_js.cpp
index ef8cd0e7a80be9c20a7fc2567253f9a7bbc132f9..d2e58a09a154cb596e2c02f11b4129ed8347b1f5 100644
--- a/frameworks/native/backup_ext/src/ext_backup_js.cpp
+++ b/frameworks/native/backup_ext/src/ext_backup_js.cpp
@@ -223,10 +223,11 @@ ErrCode ExtBackupJs::OnBackup(function<void()> callback)
     BExcepUltils::BAssert(jsObj_, BError::Codes::EXT_BROKEN_FRAMEWORK,
                           "The app does not provide the onRestore interface.");
     callbackInfo_ = std::make_shared<CallBackInfo>(callback);
-    auto retParser = [jsRuntime {&jsRuntime_}, callback, callbackInfo {callbackInfo_}](NativeEngine &engine,
+    auto retParser = [jsRuntime {&jsRuntime_}, callbackInfo {callbackInfo_}](NativeEngine &engine,
                                                                                        NativeValue *result) -> bool {
         if (!CheckPromise(result)) {
-            return false;
+            callbackInfo->callback();
+            return true;
         }
         HILOGI("CheckPromise(JS) OnBackup ok.");
         return CallPromise(*jsRuntime, result, callbackInfo.get());
@@ -257,10 +258,11 @@ ErrCode ExtBackupJs::OnRestore(function<void()> callback)
         return true;
     };
     callbackInfo_ = std::make_shared<CallBackInfo>(callback);
-    auto retParser = [jsRuntime {&jsRuntime_}, callback, callbackInfo {callbackInfo_}](NativeEngine &engine,
+    auto retParser = [jsRuntime {&jsRuntime_}, callbackInfo {callbackInfo_}](NativeEngine &engine,
                                                                                        NativeValue *result) -> bool {
         if (!CheckPromise(result)) {
-            return false;
+            callbackInfo->callback();
+            return true;
         }
         HILOGI("CheckPromise(JS) OnRestore ok.");
         return CallPromise(*jsRuntime, result, callbackInfo.get());
diff --git a/frameworks/native/backup_ext/src/ext_extension.cpp b/frameworks/native/backup_ext/src/ext_extension.cpp
index 53cdf9bd15c3bc2bf2d063b56c12990ffcf7d08e..1a114693761d6adfd7d7dfd7d1e1ebe6b4673ef2 100644
--- a/frameworks/native/backup_ext/src/ext_extension.cpp
+++ b/frameworks/native/backup_ext/src/ext_extension.cpp
@@ -312,7 +312,7 @@ int BackupExtExtension::DoRestore(const string &fileName)
     string tarName = path + fileName;
 
     auto tarballFunc = BTarballFactory::Create("cmdline", tarName);
-    if (extension_->WasFromSpeicalVersion()) {
+    if (extension_->WasFromSpeicalVersion() || extension_->UseFullBackupOnly()) {
         (tarballFunc->untar)(path);
     } else {
         (tarballFunc->untar)("/");
diff --git a/utils/include/b_json/b_json_entity_extension_config.h b/utils/include/b_json/b_json_entity_extension_config.h
index b79dd06a35f445112d7579a3d81ecac0deffe2e5..54f00232497c0786ce07ce0718847957bbe5ec51 100644
--- a/utils/include/b_json/b_json_entity_extension_config.h
+++ b/utils/include/b_json/b_json_entity_extension_config.h
@@ -48,6 +48,13 @@ public:
      */
     bool GetAllowToBackupRestore() const;
 
+    /**
+     * @brief 从JSon对象中获取备份标志
+     *
+     * @return 备份标志: 是否恢复到根目录进行覆盖
+     */
+    bool GetFullBackupOnly() const;
+
 public:
     std::string GetJSonSource(std::string_view jsonFromRealWorld, std::any option);
 
@@ -62,4 +69,4 @@ public:
 };
 } // namespace OHOS::FileManagement::Backup
 
-#endif // OHOS_FILEMGMT_BACKUP_B_JSON_ENTITY_EXTENSION_CONFIG_H
\ No newline at end of file
+#endif // OHOS_FILEMGMT_BACKUP_B_JSON_ENTITY_EXTENSION_CONFIG_H
diff --git a/utils/src/b_json/b_json_entity_extension_config.cpp b/utils/src/b_json/b_json_entity_extension_config.cpp
index 39fed928227ffd6a0c3b7eca0da472819fcb11c9..0b63368d975b54b3fa38f57dcddebc2af985e88a 100644
--- a/utils/src/b_json/b_json_entity_extension_config.cpp
+++ b/utils/src/b_json/b_json_entity_extension_config.cpp
@@ -96,6 +96,16 @@ bool BJsonEntityExtensionConfig::GetAllowToBackupRestore() const
     return obj_["allowToBackupRestore"].asBool();
 }
 
+bool BJsonEntityExtensionConfig::GetFullBackupOnly() const
+{
+    if (!obj_ || !obj_.isMember("fullBackupOnly") || !obj_["fullBackupOnly"].isBool()) {
+        HILOGE("Failed to init field fullBackupOnly");
+        return false;
+    }
+
+    return obj_["fullBackupOnly"].asBool();
+}
+
 string BJsonEntityExtensionConfig::GetJSonSource(string_view jsonFromRealWorld, any option)
 {
     if (!BackupPara().GetBackupDebugOverrideExtensionConfig()) {
@@ -126,4 +136,4 @@ string BJsonEntityExtensionConfig::GetJSonSource(string_view jsonFromRealWorld,
                                 append(BConstants::BACKUP_CONFIG_JSON);
     return BFile::ReadFile(UniqueFd(open(jsonFilePath.c_str(), O_RDONLY))).get();
 }
-} // namespace OHOS::FileManagement::Backup
\ No newline at end of file
+} // namespace OHOS::FileManagement::Backup