静态局部变量；

TestWizard/TestWizard/TestWizard.cpp

@@ -504,7 +504,7 @@ TESTWIZARD_API bool ReadKey()
 
 TESTWIZARD_API LPCTSTR GetSignalsName()
 {
-	std::string signals;
+	static std::string signals;
 	for ( std::vector<KeyItem>::iterator it = g_vtKeyItem.begin(); it != g_vtKeyItem.end(); it++ )
 	{
 		signals.append(it->keyName + "\n");