diff --git a/rtc_plugins.cpp b/rtc_plugins.cpp
index aad0be0..e7f4fbf 100644
--- a/rtc_plugins.cpp
+++ b/rtc_plugins.cpp
@@ -154,11 +154,16 @@ void init_numpy() {
         PyErr_SetString(PyExc_ImportError, "numpy.core.multiarray failed to import");
         throw std::runtime_error("NumPy initialization failed");
     }
+    std::cout << "NumPy API addr: " << PyArray_API << std::endl;
 }
 BOOST_PYTHON_MODULE(rtc_plugins) {
     try {
         init_numpy();
 
+        if (!PyArray_API) {
+            std::cout << "PyArray_API is null" << std::endl;
+        }
+
         py::def("init", &init);
         py::def("initRecv", &initRecv);
         py::def("initSend", &initSend);