Fixed branch name -- master->main

README.md

@@ -22,17 +22,17 @@
 |:------|:------|:------|:------| :------|
 | [安卓版(4.1+) Android(4.1+)](https://gitlab.com/getlantern/lantern-binaries-mirror/-/raw/master/lantern-installer.apk)   | [iOS版本(12.1+) iOS(12.1+)ver5.9.6](https://apps.apple.com/app/id1457872372?l=zh_cn) | [苹果电脑版(OS X 10.11 El Capitan及以上](https://gitlab.com/getlantern/lantern-binaries-mirror/-/raw/master/lantern-installer.dmg) | Ubuntu 14.04及以上 [32位系统](https://github.com/getlantern/lantern-binaries/raw/master/lantern-installer-32-bit.deb) | [Windows7及以上 Windows 7+](https://gitlab.com/getlantern/lantern-binaries-mirror/-/raw/master/lantern-installer.exe) |
 | [备用地址1](https://s3.amazonaws.com/lantern/lantern-installer.apk)    |  [iOS版安装使用教程](https://github.com/getlantern/lantern/wiki/%E8%93%9D%E7%81%AFiOS%E5%AE%89%E8%A3%85%E4%BD%BF%E7%94%A8%E6%95%99%E7%A8%8B) | [备用地址1](https://s3.amazonaws.com/lantern/lantern-installer.dmg)  |   [备用地址](https://s3.amazonaws.com/lantern/lantern-installer-32-bit.deb) | [备用地址1](https://s3.amazonaws.com/lantern/lantern-installer.exe)  |
-| [备用地址2](https://github.com/getlantern/lantern-binaries/raw/master/lantern-installer.apk)   |  |    [备用地址2](https://github.com/getlantern/lantern-binaries/raw/master/lantern-installer.dmg) |    [64位系统](https://github.com/getlantern/lantern-binaries/raw/master/lantern-installer-64-bit.deb) | [备用地址2](https://github.com/getlantern/lantern-binaries/raw/master/lantern-installer.exe) |
+| [备用地址2](https://github.com/getlantern/lantern-binaries/raw/main/lantern-installer.apk)   |  |    [备用地址2](https://github.com/getlantern/lantern-binaries/raw/main/lantern-installer.dmg) |    [64位系统](https://github.com/getlantern/lantern-binaries/raw/main/lantern-installer-64-bit.deb) | [备用地址2](https://github.com/getlantern/lantern-binaries/raw/main/lantern-installer.exe) |
 | [Google Play](https://play.google.com/store/apps/details?id=org.getlantern.lantern)   |  |     |    [备用地址](https://s3.amazonaws.com/lantern/lantern-installer-64-bit.deb) | 
 
 **BETA**
 
 如果希望试用最新测试版，请点击如下下载链接
-- [Android](https://raw.githubusercontent.com/getlantern/lantern-binaries/master/lantern-installer-preview.apk)
-- [Windows 7 and above](https://raw.githubusercontent.com/getlantern/lantern-binaries/master/lantern-installer-preview.exe)
-- [OSX 10.10 and above](https://raw.githubusercontent.com/getlantern/lantern-binaries/master/lantern-installer-preview.dmg)
-- [Ubuntu 14.04 32 bit](https://raw.githubusercontent.com/getlantern/lantern-binaries/master/lantern-installer-preview-32-bit.deb)
-- [Ubuntu 14.04 64 bit](https://raw.githubusercontent.com/getlantern/lantern-binaries/master/lantern-installer-preview-64-bit.deb)
+- [Android](https://raw.githubusercontent.com/getlantern/lantern-binaries/main/lantern-installer-preview.apk)
+- [Windows 7 and above](https://raw.githubusercontent.com/getlantern/lantern-binaries/main/lantern-installer-preview.exe)
+- [OSX 10.10 and above](https://raw.githubusercontent.com/getlantern/lantern-binaries/main/lantern-installer-preview.dmg)
+- [Ubuntu 14.04 32 bit](https://raw.githubusercontent.com/getlantern/lantern-binaries/main/lantern-installer-preview-32-bit.deb)
+- [Ubuntu 14.04 64 bit](https://raw.githubusercontent.com/getlantern/lantern-binaries/main/lantern-installer-preview-64-bit.deb)
 
 第一次下载安装蓝灯时，请等待几分钟以便完成配置，笔芯
 <br>