diff --git a/cd_utils/cdutils_core.cpp b/cd_utils/cdutils_core.cpp
index a8f40fa..c03c327 100644
--- a/cd_utils/cdutils_core.cpp
+++ b/cd_utils/cdutils_core.cpp
@@ -300,9 +300,9 @@ CDCore * CDCore::instance() {
 
 bool CDCore::destroy() {
 	if (!__Core_Initializer__::__instance__) return false;
-	piCout << "delete Core ...";
+//	piCout << "delete Core ...";
 	delete __Core_Initializer__::__instance__;
-	piCout << "delete Core ok";
+//	piCout << "delete Core ok";
 	__Core_Initializer__::__instance__ = 0;
 	__Core_Initializer__::count_ = 0;
 	return true;
@@ -310,7 +310,7 @@ bool CDCore::destroy() {
 
 
 void CDUtils::CDCore::K_DirectChange(PIDeque<int> path, PIString value) {
-	piCoutObj << "K_DirectChange";
+//	piCoutObj << "K_DirectChange";
 	PacketKDirectChange p;
 	p.path = path;
 	p.value = value;
@@ -438,7 +438,6 @@ void CDCore::procReceivedPacket(PIByteArray & ba) {
 		send(CDType::cdK);
 		break;
 	case CD_KSend: {
-		piCoutObj << "K received";
 		PIByteArray k;
 		ba >> k;
 		k << uchar(0);
@@ -446,6 +445,7 @@ void CDCore::procReceivedPacket(PIByteArray & ba) {
 		PIIOString ios(&s);
 		cd_read(&k_, &ios);
 		K_Received();
+		piCoutObj << "K received";
 		} break;
 	case CD_KDirectChange: {
 		PacketKDirectChange p;
@@ -456,7 +456,6 @@ void CDCore::procReceivedPacket(PIByteArray & ba) {
 		send(CDType::cdX);
 		break;
 	case CD_XSend: {
-		piCoutObj << "X received";
 		PIByteArray x;
 		ba >> x;
 		x << uchar(0);
@@ -465,6 +464,7 @@ void CDCore::procReceivedPacket(PIByteArray & ba) {
 		cd_read(&x_, &ios);
 		x_selected = x_.collectX();
 		X_Received();
+		piCoutObj << "X received";
 		} break;
 	case CD_XRequest: {
 		if (x_pult_side) break;