diff --git a/fastdeploy/runtime/option_pybind.cc b/fastdeploy/runtime/option_pybind.cc
index 1c786459b..d5a6187c8 100644
--- a/fastdeploy/runtime/option_pybind.cc
+++ b/fastdeploy/runtime/option_pybind.cc
@@ -48,6 +48,7 @@ void BindOption(pybind11::module& m) {
       .def_readwrite("poros_option", &RuntimeOption::poros_option)
       .def_readwrite("paddle_infer_option", &RuntimeOption::paddle_infer_option)
       .def("set_external_stream", &RuntimeOption::SetExternalStream)
+      .def("set_external_raw_stream", &RuntimeOption::SetExternalRawStream)
       .def("set_cpu_thread_num", &RuntimeOption::SetCpuThreadNum)
       .def("use_paddle_backend", &RuntimeOption::UsePaddleBackend)
       .def("use_poros_backend", &RuntimeOption::UsePorosBackend)
diff --git a/fastdeploy/runtime/runtime_option.cc b/fastdeploy/runtime/runtime_option.cc
index 7538f3ea6..97b7acea7 100644
--- a/fastdeploy/runtime/runtime_option.cc
+++ b/fastdeploy/runtime/runtime_option.cc
@@ -93,6 +93,10 @@ void RuntimeOption::SetExternalStream(void* external_stream) {
   external_stream_ = external_stream;
 }
 
+void RuntimeOption::SetExternalRawStream(size_t external_stream) {
+  external_stream_ = (void*) external_stream;
+}
+
 void RuntimeOption::SetCpuThreadNum(int thread_num) {
   FDASSERT(thread_num > 0, "The thread_num must be greater than 0.");
   cpu_thread_num = thread_num;
diff --git a/fastdeploy/runtime/runtime_option.h b/fastdeploy/runtime/runtime_option.h
index ecb51fe2a..6f21a2860 100644
--- a/fastdeploy/runtime/runtime_option.h
+++ b/fastdeploy/runtime/runtime_option.h
@@ -111,6 +111,8 @@ struct FASTDEPLOY_DECL RuntimeOption {
 
   void SetExternalStream(void* external_stream);
 
+  void SetExternalRawStream(size_t external_stream);
+
   /*
    * @brief Set number of cpu threads while inference on CPU, by default it will decided by the different backends
    */