LanguageTextField setText hang

Please see the code, I have rewritre the setText method.

Document document = getDocument();
((DocumentImpl)document).setAcceptSlashR(true);
WriteCommandAction.runWriteCommandAction(
                myProject,
                () -> {
                    document.setText(finalText);
                    PsiDocumentManager.getInstance(myProject).commitDocument(document);
                    if(formatFlag && StringUtils.isNotBlank(finalText)){
                        PsiFile psiFile = PsiDocumentManager.getInstance(myProject).getPsiFile(document);
                        CodeStyleManager.getInstance(myProject).reformat(psiFile);
                    }
                }
        );