diff --git a/util/RTCContext.cpp b/util/RTCContext.cpp
index 38c4535..e4d527e 100644
--- a/util/RTCContext.cpp
+++ b/util/RTCContext.cpp
@@ -72,6 +72,7 @@ void RTCContext::onAudioProcess(const char* roomId, const char* peerId,
                   << " (max: " << std::numeric_limits<npy_intp>::max() << ")" << std::endl;
 
 
+        std::cout << "onAudioProcess, numpyApi_:" << numpyApi_[93] << std::endl;
         void** numpyApi = numpyApi_;
         if (!numpyApi || !numpyApi[93]) { // 93是PyArray_SimpleNew的偏移量
             std::cout << "numpyApi is null in onAudioProcess" << std::endl;
@@ -164,6 +165,7 @@ void RTCContext::onProducer(uint32_t msgId, mrtc::MRTCProducerInfo& info)
 }
 bool RTCContext::init(const char* selfUserId, const char* selfDisplayName, const char* selfRoomId)
 {
+    std::cout << "init, numpyApi_:" << numpyApi_[93] << std::endl;
     void** numpyApi = numpyApi_;
     if (!numpyApi || !numpyApi[93]) { // 93是PyArray_SimpleNew的偏移量
         std::cout << "numpyApi is null in init" << std::endl;
@@ -220,6 +222,7 @@ bool RTCContext::init(const char* selfUserId, const char* selfDisplayName, const
 }
 bool RTCContext::initRecv(const char* destRoomId, const char* srcUserId, const int16_t destChannelIndex)
 {
+    std::cout << "initRecv, numpyApi_:" << numpyApi_[93] << std::endl;
     void** numpyApi = numpyApi_;
     if (!numpyApi || !numpyApi[93]) { // 93是PyArray_SimpleNew的偏移量
         std::cout << "numpyApi is null in initRecv" << std::endl;
@@ -329,4 +332,5 @@ void RTCContext::setPyCallback(boost::python::object callback) {
 void RTCContext::setNumpyApi(void **numpyApi) {
     std::lock_guard<std::mutex> lock(mutex_);
     numpyApi_ = numpyApi;
+    std::cout << "setNupyApi, numpyApi_:" << numpyApi_[93] << std::endl;
 }