外部文件命令应该动态加载;

TCLCommand/TCLCommand/Command.cpp

@@ -599,5 +599,6 @@ void TCLCommand::SetInternalCMDParams(DWORD dwResouceID)
 
 void TCLCommand::SetExternalCMDParams(LPCTSTR lpFileName)
 {
+    m_vtExternalCMDParams.clear();
     parse_cmds_from_file(lpFileName, m_vtExternalCMDParams);
 }