diff --git a/src/MaaCore/Config/Miscellaneous/OcrPack.cpp b/src/MaaCore/Config/Miscellaneous/OcrPack.cpp
index a8d2c6ffc6..eeb50312f0 100644
--- a/src/MaaCore/Config/Miscellaneous/OcrPack.cpp
+++ b/src/MaaCore/Config/Miscellaneous/OcrPack.cpp
@@ -27,17 +27,13 @@ static std::filesystem::path prepare_paddle_dir(const std::filesystem::path& dir
 #endif
 
 asst::OcrPack::OcrPack()
-    : m_ocr_option(std::make_unique<fastdeploy::RuntimeOption>()), m_det(nullptr), m_rec(nullptr), m_ocr(nullptr),
-      m_backend(OcrBackend::ONNXRuntime)
-{}
+    : m_ocr_option(std::make_unique<fastdeploy::RuntimeOption>()), m_det(nullptr), m_rec(nullptr), m_ocr(nullptr)
+{
+    m_ocr_option->UseOrtBackend();
+}
 
 asst::OcrPack::~OcrPack() {}
 
-void asst::OcrPack::set_backend_before_load(OcrBackend backend)
-{
-    m_backend = backend;
-}
-
 bool asst::OcrPack::load(const std::filesystem::path& path)
 {
     bool use_temp_dir = false;
diff --git a/src/MaaCore/Config/Miscellaneous/OcrPack.h b/src/MaaCore/Config/Miscellaneous/OcrPack.h
index ab7dcd4c87..5b77486a9b 100644
--- a/src/MaaCore/Config/Miscellaneous/OcrPack.h
+++ b/src/MaaCore/Config/Miscellaneous/OcrPack.h
@@ -30,16 +30,9 @@ namespace asst
 {
     class OcrPack : public AbstractResource
     {
-    public:
-        enum class OcrBackend
-        {
-            ONNXRuntime,
-        };
     public:
         virtual ~OcrPack() override;
 
-        void set_backend_before_load(OcrBackend backend);
-
         virtual bool load(const std::filesystem::path& path) override;
 
         std::vector<TextRect> recognize(const cv::Mat& image, const TextRectProc& pred = nullptr,
@@ -54,8 +47,6 @@ namespace asst
         std::unique_ptr<fastdeploy::vision::ocr::DBDetector> m_det;
         std::unique_ptr<fastdeploy::vision::ocr::Recognizer> m_rec;
         std::unique_ptr<fastdeploy::pipeline::PPOCRv3> m_ocr;
-
-        OcrBackend m_backend;
     };
 
     class WordOcr final : public SingletonHolder<WordOcr>, public OcrPack