更正笔误，以便保留上一次设置的模块名称

taskbusplatform/gui/pdesignerview.cpp

@@ -914,7 +914,7 @@ void PDesignerView::on_action_rename_triggered()
 		QString tooltip = project()->vec_cells()[node]->function_tooltip(func);
 		bool ok;
 		QString newtip = QInputDialog::getText(this,tr("Set Friendly Name"),tr("Tooltip"),QLineEdit::Normal,
-							  func,&ok);
+							  tooltip,&ok);
 		if (ok && newtip.size())
 			project()->vec_cells()[node]->set_function_tooltip(func,newtip);