diff --git a/core-buffer/src/LiveRecvModule.cpp b/core-buffer/src/LiveRecvModule.cpp
index 2d23fd1..422982d 100644
--- a/core-buffer/src/LiveRecvModule.cpp
+++ b/core-buffer/src/LiveRecvModule.cpp
@@ -24,6 +24,7 @@ LiveRecvModule::LiveRecvModule(
         using namespace chrono;
         cout << "[" << system_clock::now() << "]";
         cout << "[LiveRecvModule::LiveRecvModule]";
+        cout << endl;
     #endif
 
     receiving_thread_ = thread(
@@ -58,6 +59,8 @@ void* LiveRecvModule::connect_socket(size_t module_id)
     ipc_addr << ipc_prefix_ << module_id;
     const auto ipc = ipc_addr.str();
 
+    cout << "ipc " << ipc << endl;
+
     if (zmq_connect(sock, ipc.c_str()) != 0) {
         throw runtime_error(zmq_strerror(errno));
     }