但是当查看REDIS里的记录时，发现中文不能正常显示，英文没问题。
其中在win10下的cmd命令行下查看时：
试过网上很多方法：
1 redis-cli --raw
2 chcp 60051，同时修改字体
...
都是不能正常显示中文，又用可视化的REDIS工具查看，values as 处都选了一遍也不能正常显示中文。
最后发现，pthon （代码都指定了编码：# coding:utf8）控制台打印出来的结果如下，也不能显示中文：
b'{"__v": 0, "author": "DIYgod", "time": 0.737262, "date": 1574224965, "text": "\\u8001T \\u662f\\u94c1\\u516c\\u9e21", "color": 16777215, "type": 0, "ip": "127.0.0.1", "_id": "2019112012424522c72a4c94c3425c93a0889a77c94e9a", "player": "2"}'
b'{"__v": 0, "author": "DIYgod", "time": 14.319752, "date": 1574224944, "text": "\\u8292\\u679c\\u662f\\u80a1\\u4ed9", "color": 16777215, "type": 0, "ip": "127.0.0.1", "_id": "201911201242242ea6d8b605734558a16e47241e366c03", "player": "2"}'
b'{"__v": 0, "author": "DIYgod", "time": 10.508851, "date": 1574224925, "text": "\\u8001T \\u662f\\u80a1\\u795e", "color": 16777215, "type": 0, "ip": "127.0.0.1", "_id": "2019112012420595c7fa9283474ed8ba8a8f0cd54160ed", "player": "2"}'
b'{"__v": 0, "author": "DIYgod", "time": 8.740058, "date": 1574224753, "text": "\\u8089\\u54e5\\u662f\\u80a1\\u795e", "color": 16777215, "type": 0, "ip": "127.0.0.1", "_id": "20191120123913dcf2aebd397547ae8a7c08c7edb09872", "player": "2"}'
b'{"__v": 0, "author": "DIYgod", "time": 13.890661, "date": 1574224715, "text": "mmmmmmmmmmmmmmm", "color": 16777215, "type": 0, "ip": "127.0.0.1", "_id": "20191120123835a924c8080d8e40feae7539d1d4a13b01", "player": "2"}'
b'{"__v": 0, "author": "DIYgod", "time": 10.957534, "date": 1574224712, "text": "nnnnnnnnnnnnnnnnnnn", "color": 16777215, "type": 0, "ip": "127.0.0.1", "_id": "201911201238320d0a685f4fbd4e278eb9b5891f6a7016", "player": "2"}'
b'{"__v": 0, "author": "DIYgod", "time": 7.966033, "date": 1574224709, "text": "bbbbbbbbbbbb", "color": 16777215, "type": 0, "ip": "127.0.0.1", "_id": "2019112012382976e5e7a1c57f48b8a685b1cf7bac6cb5", "player": "2"}'
命令行查看结果：
用可视化工具查看结果：
只有弹幕里显示中文是OK的
