diff --git a/util/RTCContext.cpp b/util/RTCContext.cpp
index 266c080..d063747 100644
--- a/util/RTCContext.cpp
+++ b/util/RTCContext.cpp
@@ -103,9 +103,9 @@ void RTCContext::onAudioProcess(const char* roomId, const char* peerId,
                 //PyGILState_STATE gstate = PyGILState_Ensure();
                 std::cout << "data:" << audioFrame.data << std::endl;
                 std::cout << "当前线程是否持有 GIL: " << PyGILState_Check() << std::endl;
+                np::dtype dtype = np::dtype::get_builtin<int16_t>();
+                std::cout << "init dtype" << std::endl;
                 try {
-                    np::dtype dtype = np::dtype::get_builtin<int16_t>();
-                    std::cout << "init dtype" << std::endl;
                     py::object str_repr = py::str(dtype);
                     std::cout << "str_repr" << std::endl;
                     if(str_repr.ptr() != Py_None) {