diff --git a/rtc_plugins.cpp b/rtc_plugins.cpp
index b970700..c850c34 100644
--- a/rtc_plugins.cpp
+++ b/rtc_plugins.cpp
@@ -36,6 +36,7 @@ int sendCustomAudioData(const int16_t destChannelIndex, py::object pyData, int32
     std::cout << "step1" << std::endl;
     // 检查是否为 numpy 数组
     if (!PyArray_Check(pyData.ptr())) {
+        std::cout << "check fail, ptr:" << pyData.ptr() << std::endl;
         PyErr_SetString(PyExc_TypeError, "Expected a numpy array");
         throw py::error_already_set();
     }