diff --git a/util/RTCContext.cpp b/util/RTCContext.cpp
index 4e3b6bd..a58e289 100644
--- a/util/RTCContext.cpp
+++ b/util/RTCContext.cpp
@@ -142,6 +142,11 @@ void RTCContext::onProducer(uint32_t msgId, mrtc::MRTCProducerInfo& info)
 }
 bool RTCContext::init(const char* selfUserId, const char* selfDisplayName, const char* selfRoomId)
 {
+    if (!PyArray_API) {
+        std::cout << "PyArray_API is null in init" << std::endl;
+    } else {
+        std::cout << "PyArray_API is not null in init" << std::endl;
+    }
     mrtc::IMRTCEngineFactory * rtcFactory = mrtc::getMRTCEngineFactory();
     if (!rtcFactory)
     {
@@ -192,6 +197,11 @@ bool RTCContext::init(const char* selfUserId, const char* selfDisplayName, const
 }
 bool RTCContext::initRecv(const char* destRoomId, const char* srcUserId, const int16_t destChannelIndex)
 {
+    if (!PyArray_API) {
+        std::cout << "PyArray_API is null in init" << std::endl;
+    } else {
+        std::cout << "PyArray_API is not null in init" << std::endl;
+    }
     while (!isOnConsumer_)
     {
         std::cout << "wait for OnConsumer" << std::endl;