diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 9ccc610..6119d2b 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -108,4 +108,7 @@ dependencies {
 
     implementation(libs.core)
     implementation(libs.android.core)
+
+    implementation (libs.pytorch.android)
+    implementation (libs.pytorch.android.torchvision)
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/sw/dualscreen/activity/MainActivity.kt b/app/src/main/java/com/sw/dualscreen/activity/MainActivity.kt
index e68bb07..1e8df59 100644
--- a/app/src/main/java/com/sw/dualscreen/activity/MainActivity.kt
+++ b/app/src/main/java/com/sw/dualscreen/activity/MainActivity.kt
@@ -392,5 +392,6 @@ class MainActivity : BaseActivity<ActivityMainBinding>() {
         SensorScaleUtils.closeScale()
         presentation?.dismiss()
         super.onDestroy()
+        shutdownCamera()
     }
 }
\ No newline at end of file
diff --git a/app/swkey.jks b/app/swkey.jks
new file mode 100644
index 0000000..893b6eb
Binary files /dev/null and b/app/swkey.jks differ
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 0096088..8c59cbb 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -26,6 +26,8 @@ fragmentKtx = "1.5.6"
 lifecycleViewmodelKtx = "2.8.3"
 lifecycleRuntimeKtx = "2.8.3"
 
+pytorch="1.13.0"
+
 [libraries]
 android-core = { module = "com.google.zxing:android-core", version.ref = "androidCore" }
 core = { module = "com.google.zxing:core", version.ref = "core" }
@@ -62,6 +64,9 @@ androidx-fragment-ktx = { module = "androidx.fragment:fragment-ktx", version.ref
 androidx-lifecycle-runtime-ktx = { module = "androidx.lifecycle:lifecycle-runtime-ktx", version.ref = "lifecycleRuntimeKtx" }
 androidx-lifecycle-viewmodel-ktx = { module = "androidx.lifecycle:lifecycle-viewmodel-ktx", version.ref = "lifecycleViewmodelKtx" }
 
+pytorch-android={ group = "org.pytorch", name = "pytorch_android", version.ref = "pytorch" }
+pytorch-android-torchvision={ group = "org.pytorch", name = "pytorch_android_torchvision", version.ref = "pytorch" }
+
 [plugins]
 android-application = { id = "com.android.application", version.ref = "agp" }
 kotlin-android = { id = "org.jetbrains.kotlin.android", version.ref = "kotlin" }