diff --git a/util/RTCContext.cpp b/util/RTCContext.cpp
index 8ff3d11..1d83453 100644
--- a/util/RTCContext.cpp
+++ b/util/RTCContext.cpp
@@ -394,6 +394,7 @@ void RTCContext::onAudioProcess(const char* roomId, const char* peerId,
     //     */
     //    std::cout << "    数据拷贝完成" << std::endl;
 
+    namespace py = boost::python;
         // 7. 执行回调
         if (!pyCallback_.is_none()) {
             std::cout << "[7] 准备执行Python回调..." << std::endl;