first column always quoting when multilingual language, when not on second column

//  example code
CSVFormat format = CSVFormat.DEFAULT.withQuoteMode(QuoteMode.MINIMAL);

CSVPrinter printer = new CSVPrinter(System.out, format);

List<String[]> temp = new ArrayList<String[]>();

temp.add(new String[] { "ㅁㅎㄷㄹ", "ㅁㅎㄷㄹ", "", "test2" });
temp.add(new String[] { "한글3", "hello3", "3한글3", "test3" });
temp.add(new String[] { "", "hello4", "", "test4" });

for (String[] temp1 : temp) {
printer.printRecord(temp1);
}
printer.close();

// CSVFormat.class
...
1173: char c = value.charAt(pos);
1174: 
1175: // RFC4180 (https://tools.ietf.org/html/rfc4180) TEXTDATA = %x20-21 / %x23-2B / %x2D-7E
1176: if (newRecord && (c < 0x20 || c > 0x21 && c < 0x23 || c > 0x2B && c < 0x2D || c > 0x7E)) {
1177: quote = true;
1178: } else if (c <= COMMENT) {
...