diff --git a/README.md b/README.md
index ca183ef..9bc49c6 100644
--- a/README.md
+++ b/README.md
@@ -19,8 +19,18 @@ evm use 1.2.1
 evm use 0.33.6
 ```
 
+```plain
+# set a mirror (china)
+ELECTRON_MIRROR=https://npm.taobao.org/mirrors/electron/
+
+# or windows
+set ELECTRON_MIRROR=https://npm.taobao.org/mirrors/electron/
+
+# platform/arch specific
+evm install 0.33.6 win32 ia32
+evm install 1.2.1 darwin x64
+evm use 1.2.1 linux ""
+evm use 1.2.1 "" x64
 ```
-// inspired by electron-download, electron-prebuilt
-// inspired by nvm, nrm, nwjs
-// inspired by prt
-```
+
+See also: [electron-download](https://github.com/electron-userland/electron-download), [electron-prebuilt](https://npmjs.org/electron-prebuilt), [nwjs](https://github.com/egoist/nwjs), [prt](https://github.com/fritx/prt)