v0.6.4

What's Changed

• 更新README中项目名称 by @wu-clan in #182
• 升级项目依赖项 by @wu-clan in #185
• 固定rtmol依赖包版本 by @wu-clan in #186
• 添加全局环境变量配置 by @wu-clan in #191
• 更新版本号为0.6.4 by @wu-clan in #192

Full Changelog: v0.6.3...v0.6.4