| PS | https://www.uupoop.com/ |
| devdocs | https://devdocs.io/ |
| python3 | https://docs.python.org/3.7/library/datetime.html |
| json 格式化 | https://beautifier.io/ |
| https://www.json.cn/ | |
| md5工具 | https://www.cmd5.com/ |
| 站长工具集合（time, url, hex, unicode, urlencode） | http://tool.chinaz.com/Tools/unixtime.aspx |
| 图片base64 | http://tool.chinaz.com/tools/imgtobase/ |