diff --git a/cd_utils/cdutils_core.cpp b/cd_utils/cdutils_core.cpp
index d1496a9..a8f40fa 100644
--- a/cd_utils/cdutils_core.cpp
+++ b/cd_utils/cdutils_core.cpp
@@ -36,27 +36,22 @@ const uchar header_transfer = 0x81;
 
 __Core_Initializer__::__Core_Initializer__() {
 	count_++;
-	piCout << "try create Core" << count_;
 	if (count_ > 1) return;
-	piCout << "create Core";
 	__instance__ = new CDCore();
 }
 
 
 __Core_Initializer__::~__Core_Initializer__() {
 	count_--;
-	piCout << "try delete Core" << count_;
 	if (count_ < 0) {
 		count_ = 0;
 		return;
 	}
 	if (count_ > 0) return;
-	piCout << "delete Core ...";
 	if (__instance__) {
 		delete __instance__;
 		__instance__ = 0;
 	}
-	piCout << "delete Core ok";
 }
 
 
@@ -99,17 +94,11 @@ CDCore::CDCore() {
 
 
 CDCore::~CDCore() {
-	piCout << "~CDCore ...";
-	x_timer.stop(false);
-	piCout << "~CDCore 1";
+	x_timer.stop(true);
 	datatr.stop();
-	piCout << "~CDCore 2";
 	sendt.stop();
-	piCout << "~CDCore 3";
 	sendt.waitForFinish(10);
-	piCout << "~CDCore 4";
 	connection.stop();
-	piCout << "~CDCore ok";
 }