rttys v4.0.1 已经发布，rtty 的服务端。

此版本更新内容包括：

Features

• it's configurable whether log caller (Jianhui Zhao)
• ui: clear last selected file on upload file (Jianhui Zhao)
• support build statically (Jianhui Zhao)

Bug Fixes

• panic: send on closed channel (Jianhui Zhao)
• deadlock caused by sending keepalive frame (Jianhui Zhao)
• ui: A abnormity caused by click 'OK' when no file selected. (Jianhui Zhao)
• panic: send on closed channel (Jianhui Zhao)

Performance Improvements

• verify message length for msgTypeRegister (Jianhui Zhao)
• force use tls 1.1 #99 #99 (docooler)

Builds

• deps: bump follow-redirects from 1.14.4 to 1.14.8 in /ui (#101) #101 (dependabot[bot])
• deps: bump url-parse from 1.5.3 to 1.5.10 in /ui (#103) #103 (dependabot[bot])
• deps: bump minimist from 1.2.5 to 1.2.6 in /ui (#104) #104 (dependabot[bot])
• deps: bump async from 2.6.3 to 2.6.4 in /ui (#106) #106 (dependabot[bot])

Continuous Integration

• add arm64 (Jianhui Zhao)

详情查看：https://gitee.com/zhaojh329/rttys/releases/v4.0.1