diff --git a/backup.gni b/backup.gni
index 7dc5c0e8790cf156fdbdcfc131128191634fe5c5..18af02ca6c1a9a661b1bb823d424ef3ce3258bd2 100644
--- a/backup.gni
+++ b/backup.gni
@@ -25,7 +25,7 @@ path_jsoncpp = "//third_party/jsoncpp"
 path_napi = "//foundation/arkui/napi"
 path_samgr = "//foundation/systemabilitymgr/samgr"
 path_init = "//base/startup/init"
-
+path_filemgmt_libn = "//foundation/filemanagement/file_api/utils/filemgmt_libn"
 path_backup_mock = "//foundation/filemanagement/app_file_service/tests/mock"
 
 backup_mock_parcel_include_dirs = [ "$path_backup_mock/parcel/include" ]
diff --git a/tests/unittests/backup_utils/BUILD.gn b/tests/unittests/backup_utils/BUILD.gn
index 9da04ca4c8d0e483a343d4798441e8b5f93a54f9..3e7a4d4bc623aced7b22f25516b8c77a7b110d24 100644
--- a/tests/unittests/backup_utils/BUILD.gn
+++ b/tests/unittests/backup_utils/BUILD.gn
@@ -79,7 +79,10 @@ ohos_unittest("b_tarball_cmdline_test") {
     "${path_backup}/utils/include",
   ]
 
-  deps = [ "${path_backup}/tests/utils:backup_test_utils" ]
+  deps = [
+    "${path_backup}/tests/utils:backup_test_utils",
+    "${path_backup}/utils/:backup_utils",
+  ]
   external_deps = [ "c_utils:utils" ]
 
   use_exceptions = true
diff --git a/utils/BUILD.gn b/utils/BUILD.gn
index e05117dfb17ae95a9a22c41e4e65f9f02c014f58..2bc20ad1b47d190e48d7db12ce3ba47c5f1dd620 100644
--- a/utils/BUILD.gn
+++ b/utils/BUILD.gn
@@ -25,6 +25,10 @@ config("utils_public_config") {
   include_dirs = [
     "include",
     "${path_base}/include",
+    "${path_filemgmt_libn}/include",
+    "${path_napi}/interfaces/inner_api",
+    "${path_napi}/interfaces/kits",
+    "//third_party/node/src",
   ]
 }
 
diff --git a/utils/include/b_error/b_error.h b/utils/include/b_error/b_error.h
index 058361d2bda372b4fa5f941b53feaf52233d2273..dd58e794c40631e7067778eaa3fcc29589b81eb2 100644
--- a/utils/include/b_error/b_error.h
+++ b/utils/include/b_error/b_error.h
@@ -30,6 +30,8 @@
 #include <system_error>
 #include <vector>
 
+#include "n_error.h"
+
 #if __has_builtin(__builtin_FILE) && __has_builtin(__builtin_LINE) && __has_builtin(__builtin_FUNCTION)
 #define DEFINE_SOURCE_LOCATION                                              \
     int lineNo = __builtin_LINE(), const char *fileName = __builtin_FILE(), \
@@ -39,6 +41,8 @@
 #endif
 
 namespace OHOS::FileManagement::Backup {
+using ErrCode = int;
+
 class BError : public std::exception {
 public:
     /**
@@ -85,14 +89,7 @@ public:
      *
      * @return int 标注错误码
      */
-    int GetCode() const
-    {
-        if (code_ == Codes::OK) {
-            return 0;
-        } else {
-            return -1 * (static_cast<int>(code_) | ErrCodeOffset(SUBSYS_FILEMANAGEMENT, codeSubsystem_));
-        }
-    }
+    int GetCode() const;
 
     /**
      * @brief 返回原始错误码
@@ -200,8 +197,38 @@ private:
         {Codes::EXT_BROKEN_IPC, "Extension failed to do IPC"},
     };
 
+    static inline const std::map<int, int> errCodeTable_ {
+        {static_cast<int>(Codes::OK), static_cast<int>(Codes::OK)},
+        {static_cast<int>(Codes::UTILS_INVAL_JSON_ENTITY),
+         LibN::FILEIO_SYS_CAP_TAG + LibN::ErrCodeSuffixOfFileIO::E_INVAL},
+        {static_cast<int>(Codes::UTILS_INVAL_FILE_HANDLE),
+         LibN::FILEIO_SYS_CAP_TAG + LibN::ErrCodeSuffixOfFileIO::E_INVAL},
+        {static_cast<int>(Codes::UTILS_INVAL_TARBALL_ARG),
+         LibN::FILEIO_SYS_CAP_TAG + LibN::ErrCodeSuffixOfFileIO::E_UKERR},
+        {static_cast<int>(Codes::UTILS_INVAL_PROCESS_ARG),
+         LibN::FILEIO_SYS_CAP_TAG + LibN::ErrCodeSuffixOfFileIO::E_UKERR},
+        {static_cast<int>(Codes::UTILS_INTERRUPTED_PROCESS),
+         LibN::FILEIO_SYS_CAP_TAG + LibN::ErrCodeSuffixOfFileIO::E_UKERR},
+        {static_cast<int>(Codes::TOOL_INVAL_ARG), LibN::FILEIO_SYS_CAP_TAG + LibN::ErrCodeSuffixOfFileIO::E_UKERR},
+        {static_cast<int>(Codes::SA_INVAL_ARG), LibN::FILEIO_SYS_CAP_TAG + LibN::ErrCodeSuffixOfFileIO::E_INVAL},
+        {static_cast<int>(Codes::SA_BROKEN_IPC),
+         LibN::FILEIO_SYS_CAP_TAG + LibN::ErrCodeSuffixOfStorageService::E_IPCSS},
+        {static_cast<int>(Codes::SA_REFUSED_ACT), LibN::FILEIO_SYS_CAP_TAG + LibN::ErrCodeSuffixOfFileIO::E_PERM},
+        {static_cast<int>(Codes::SA_BROKEN_ROOT_DIR), LibN::FILEIO_SYS_CAP_TAG + LibN::ErrCodeSuffixOfFileIO::E_UKERR},
+        {static_cast<int>(Codes::SDK_INVAL_ARG), LibN::FILEIO_SYS_CAP_TAG + LibN::ErrCodeSuffixOfFileIO::E_INVAL},
+        {static_cast<int>(Codes::SDK_BROKEN_IPC),
+         LibN::FILEIO_SYS_CAP_TAG + LibN::ErrCodeSuffixOfStorageService::E_IPCSS},
+        {static_cast<int>(Codes::SDK_MIXED_SCENARIO), LibN::FILEIO_SYS_CAP_TAG + LibN::ErrCodeSuffixOfFileIO::E_INVAL},
+        {static_cast<int>(Codes::EXT_INVAL_ARG), LibN::FILEIO_SYS_CAP_TAG + LibN::ErrCodeSuffixOfFileIO::E_INVAL},
+        {static_cast<int>(Codes::EXT_BROKEN_FRAMEWORK),
+         LibN::FILEIO_SYS_CAP_TAG + LibN::ErrCodeSuffixOfFileIO::E_UKERR},
+        {static_cast<int>(Codes::EXT_BROKEN_BACKUP_SA),
+         LibN::FILEIO_SYS_CAP_TAG + LibN::ErrCodeSuffixOfStorageService::E_IPCSS},
+        {static_cast<int>(Codes::EXT_BROKEN_IPC),
+         LibN::FILEIO_SYS_CAP_TAG + LibN::ErrCodeSuffixOfStorageService::E_IPCSS},
+    };
+
 private:
-    const int codeSubsystem_ {1};
     Codes code_ {Codes::OK};
     std::string msg_;
 
diff --git a/utils/src/b_error/b_error.cpp b/utils/src/b_error/b_error.cpp
index e6e108153f080d1da12e6476ca3a8d0720524def..74987d5be14aedad4cba39db0cdaeb3b3224d83a 100644
--- a/utils/src/b_error/b_error.cpp
+++ b/utils/src/b_error/b_error.cpp
@@ -15,6 +15,7 @@
 
 #include "b_error/b_error.h"
 
+#include <algorithm>
 #include <sstream>
 #include <sys/syscall.h>
 
@@ -49,4 +50,18 @@ string BError::WrapMessageWithExtraInfos(const char *fileName,
     HiviewDFX::HiLog::Error(FILEMGMT_LOG_LABEL, "%{public}s", res.c_str());
     return res;
 }
+
+int BError::GetCode() const
+{
+    int code = static_cast<int>(GetRawCode());
+    if (LibN::errCodeTable.find(code) != LibN::errCodeTable.end()) {
+        auto [err, msg] = LibN::errCodeTable.at(code);
+        return err;
+    }
+    if (errCodeTable_.find(code) != errCodeTable_.end()) {
+        return errCodeTable_.at(code);
+    }
+    HILOGE("Unknown code : %{public}d", code);
+    return LibN::FILEIO_SYS_CAP_TAG + LibN::ErrCodeSuffixOfFileIO::E_UKERR;
+}
 } // namespace OHOS::FileManagement::Backup
\ No newline at end of file