python str 字节问题
{"vaccineonetime": "2021-11-01", "vaccinetwotime": "2021-11-29", "vaccinename": "\u5317\u4eac\u751f\u7269\u65b0\u51a0\u75ab\u82d7"}
json.dumps(kt_dict, ensure_ascii=False)
{"vaccineonetime": "2021-11-01", "vaccinetwotime": "2021-11-29", "vaccinename": "\u5317\u4eac\u751f\u7269\u65b0\u51a0\u75ab\u82d7"}
json.dumps(kt_dict, ensure_ascii=False)