diff --git a/fastdeploy/runtime/option_pybind.cc b/fastdeploy/runtime/option_pybind.cc
index d5a6187c8..edec738f7 100644
--- a/fastdeploy/runtime/option_pybind.cc
+++ b/fastdeploy/runtime/option_pybind.cc
@@ -48,7 +48,10 @@ 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_external_raw_stream",
+           [](RuntimeOption& self, size_t external_stream) {
+             self.SetExternalStream(reinterpret_cast<void*>(external_stream));
+           })
       .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 8a57c33f7..c09352d58 100644
--- a/fastdeploy/runtime/runtime_option.cc
+++ b/fastdeploy/runtime/runtime_option.cc
@@ -93,10 +93,6 @@ 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 84cfebc84..eb26cbfaa 100755
--- a/fastdeploy/runtime/runtime_option.h
+++ b/fastdeploy/runtime/runtime_option.h
@@ -105,8 +105,6 @@ 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
    */
diff --git a/python/fastdeploy/runtime.py b/python/fastdeploy/runtime.py
index 20b2d8ad9..4562d2f8d 100644
--- a/python/fastdeploy/runtime.py
+++ b/python/fastdeploy/runtime.py
@@ -591,10 +591,12 @@ class RuntimeOption:
                        replica_num=1,
                        available_memory_proportion=1.0,
                        enable_half_partial=False):
-        logging.warning("`RuntimeOption.set_ipu_config` will be deprecated in v1.2.0, please use `RuntimeOption.paddle_infer_option.set_ipu_config()` instead.")
-        self._option.paddle_infer_option.set_ipu_config(enable_fp16, replica_num,
-                                           available_memory_proportion,
-                                           enable_half_partial)
+        logging.warning(
+            "`RuntimeOption.set_ipu_config` will be deprecated in v1.2.0, please use `RuntimeOption.paddle_infer_option.set_ipu_config()` instead."
+        )
+        self._option.paddle_infer_option.set_ipu_config(
+            enable_fp16, replica_num, available_memory_proportion,
+            enable_half_partial)
 
     @property
     def poros_option(self):
@@ -657,6 +659,11 @@ class RuntimeOption:
         """
         return self._option.disable_profiling()
 
+    def set_external_raw_stream(self, cuda_stream):
+        """Set the external raw stream used by fastdeploy runtime.
+        """
+        self._option.set_external_raw_stream(cuda_stream)
+
     def __repr__(self):
         attrs = dir(self._option)
         message = "RuntimeOption(\n"