diff --git a/README.md b/README.md
index 811edfb4d..6b52fac53 100644
--- a/README.md
+++ b/README.md
@@ -85,6 +85,12 @@ Consider using a Linux VM or dual booting.**
 
 **Important:**
 
+0. Checkout all submodules
+```
+git submodule init
+git submodule update
+```
+
 1. Install Android SDK and NDK (default location is $HOME/Android/SDK, otherwise you need to specify $ANDROID_HOME for it)
 
 It is recommended to use [AndroidStudio](https://developer.android.com/studio) to install.
@@ -108,11 +114,24 @@ rustup default $(cat ss-rust/src/main/rust/shadowsocks-rust/rust-toolchain)
 rustup target install armv7-linux-androideabi aarch64-linux-android i686-linux-android x86_64-linux-android
 ```
 
+This step can be skipped if you want to build a `mini` release.
+
 4. Build native dependencies: `./run init libs`
-5. Build external libraries and native code: `./run libs update`
-6. Fill out `TELEGRAM_APP_ID` and `TELEGRAM_APP_HASH` in `local.properties`
-7. Replace TMessagesProj/google-services.json if you want fcm to work.
-8. Replace release.keystore with yours and fill out `ALIAS_NAME`, `KEYSTORE_PASS` and `ALIAS_PASS` in `local.properties` if you want a custom sign key.
+5. Build external libraries and native code: 
+
+For full release:
+
+`./run libs update`
+
+For mini release:
+```
+./run libs v2ray
+./run libs native # libtmessages.so
+```
+ 
+9. Fill out `TELEGRAM_APP_ID` and `TELEGRAM_APP_HASH` in `local.properties`
+10. Replace TMessagesProj/google-services.json if you want fcm to work.
+11. Replace release.keystore with yours and fill out `ALIAS_NAME`, `KEYSTORE_PASS` and `ALIAS_PASS` in `local.properties` if you want a custom sign key.
 
 `./gradlew assemble<Full/Mini><Debug/Release/ReleaseNoGcm>`
 
@@ -182,4 +201,4 @@ You can [open an issue to](https://github.com/NekoX-Dev/NekoX/issues/new?&templa
     <li>JetBrains: for allocating free open-source licences for IDEs</li>
 </ul>
 
-[<img src=".github/jetbrains-variant-3.png" width="200"/>](https://jb.gg/OpenSource)
\ No newline at end of file
+[<img src=".github/jetbrains-variant-3.png" width="200"/>](https://jb.gg/OpenSource)