@org.junit.jupiter.api.Test
    public void test3() throws IOException, ParseException {
        Analyzer analyzer = new HanLPAnalyzer();

        Path indexPath = Files.createTempDirectory("tempIndex");
        Directory directory = FSDirectory.open(indexPath);
        IndexWriterConfig config = new IndexWriterConfig(analyzer);
        IndexWriter iwriter = new IndexWriter(directory, config);
        Document doc = new Document();
        String text = "中国人";
        doc.add(new TextField("fieldname", text, Field.Store.YES));
        iwriter.addDocument(doc);
        iwriter.close();

        // Now search the index:
        DirectoryReader ireader = DirectoryReader.open(directory);
        IndexSearcher isearcher = new IndexSearcher(ireader);
        // Parse a simple query that searches for "text":
        QueryParser parser = new QueryParser("fieldname", analyzer);
        Query query = parser.parse(text);
        ScoreDoc[] hits = isearcher.search(query, 10).scoreDocs;
        assertEquals(1, hits.length);
        // Iterate through the results:
        StoredFields storedFields = isearcher.storedFields();
        for (int i = 0; i < hits.length; i++) {
            Document hitDoc = storedFields.document(hits[i].doc);
            assertEquals("中国人", hitDoc.get("fieldname"));
        }
        ireader.close();
        directory.close();
        IOUtils.rm(indexPath);
    }

org.opentest4j.AssertionFailedError: 
Expected :1
Actual   :0