diff --git a/android-deploy.md b/android-deploy.md
index 9d5c904..00bb7e3 100644
--- a/android-deploy.md
+++ b/android-deploy.md
@@ -11,7 +11,7 @@ pd i debian
 ## Step 2: Deploy AppleMusicDecrypt
 Enter the Debian environment(`pd login debian`)
 ```shell
-apt update && apt install pipx && pipx install poetry && pipx ensurepath && source ~/.bashrc
+apt update && apt install pipx git -y && pipx install poetry && pipx ensurepath && source ~/.bashrc
 git clone https://github.com/WorldObservationLog/AppleMusicDecrypt
 cd AppleMusicDecrypt
 bash ./tools/install-deps.sh
@@ -34,3 +34,12 @@ playlistDirPathFormat = "/sdcard/Music/playlists/{playlistName}"
 ```
 ## Step 4: Run AppleMusicDecrypt
 `poetry run python main.py`
+## Update AppleMusicDecrypt
+```shell
+pd login debian
+cd AppleMusicDecrypt
+git checkout -f && git pull
+poetry update
+cp config.example.toml config.toml
+nano config.toml
+```