diff --git a/apps/BlockPi/install-32 b/apps/BlockPi/install-32
index 019c203..9594140 100755
--- a/apps/BlockPi/install-32
+++ b/apps/BlockPi/install-32
@@ -9,7 +9,6 @@ function error {
 
 wget -O ~/blockpi.deb https://github.com/alienzhangyw/BlockPi/releases/download/v1.2.0/blockpi_1.2.0_armv7l.deb || error 'Failed to download deb file!'
 
-# Get dependencies
-sudo apt install -fy ~/blockpi.deb || error "Failed to install blockpi.deb"
+"${DIRECTORY}/pkg-install" "$HOME/blockpi.deb" "$(dirname "$0")" || error "Failed to install blockpi.deb"
 
 rm -f ~/blockpi.deb
diff --git a/apps/BlockPi/install-64 b/apps/BlockPi/install-64
index edf356c..dcb5cb8 100755
--- a/apps/BlockPi/install-64
+++ b/apps/BlockPi/install-64
@@ -10,6 +10,6 @@ function error {
 wget -O ~/blockpi.deb https://github.com/alienzhangyw/BlockPi/releases/download/v1.2.0/blockpi_1.2.0_arm64.deb || error 'Failed to download deb file!'
 
 # Get dependencies
-sudo apt install -fy ~/blockpi.deb || error "Failed to install blockpi.deb"
+"${DIRECTORY}/pkg-install" "$HOME/blockpi.deb" "$(dirname "$0")" || error "Failed to install blockpi.deb"
 
 rm -f ~/blockpi.deb
diff --git a/apps/BlockPi/uninstall b/apps/BlockPi/uninstall
index 5434f0c..d9cd5a8 100755
--- a/apps/BlockPi/uninstall
+++ b/apps/BlockPi/uninstall
@@ -7,5 +7,5 @@ function error {
   exit 1
 }
 
-sudo apt purge -y blockpi
+"${DIRECTORY}/purge-installed" "$(dirname "$0")" || exit 1