diff --git a/.drone.yml b/.drone.yml
index 82e296e..3d470aa 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -4,11 +4,44 @@ type: docker
 name: Android
 
 steps:
+- name: prepare signing
+  image: busybox
+  environment:
+    STOREPASSWORD:
+      from_secret: StorePassword
+    KEYPASSWORD:
+      from_secret: KeyPassword
+  commands:
+  - touch keystore.properties
+  - echo "storePassword=$STOREPASSWORD" >> keystore.properties
+  - echo "keyPassword=$KEYPASSWORD" >> keystore.properties
+  - echo "keyAlias=key0" >> keystore.properties
+  - echo "storeFile=../AndroidKey" >> keystore.properties
+
 - name: build
   image: mingc/android-build-box
   commands:
-  - ./gradlew build
-  when:
-  event:
-  - push
-  - pull_request
\ No newline at end of file
+  - ./gradlew test
+  - ./gradlew assembleDebug
+  - ./gradlew bundleRelease
+
+- name: deploy laatest buuild
+  image: busybox
+  volumes:
+  - name: deploy
+    path: /tmp/deploy
+  commands:
+  - mkdir -p /tmp/deploy/lastBuild
+  - cp ./app/build/outputs/apk/debug/app-debug.apk /tmp/deploy/lastBuild/app-debug.apk
+  - cp ./app/build/outputs/bundle/release/app-release.aab /tmp/deploy/lastBuild/app-release.aab
+
+- name: slack notification
+  image: plugins/slack
+  settings:
+    webhook:
+      from_secret: SlackWebhook
+
+volumes:
+  - name: deploy
+    host:
+      path: /mnt/seafile-sync-cli/TichuCounter
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
index f0f71e2..46cc5db 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,3 +13,4 @@
 .externalNativeBuild
 .cxx
 .idea
+keystore.properties
diff --git a/AndroidKey b/AndroidKey
new file mode 100644
index 0000000..5d88afa
Binary files /dev/null and b/AndroidKey differ
diff --git a/app/build.gradle b/app/build.gradle
index 7a0d095..2fe31ab 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -1,6 +1,16 @@
 apply plugin: 'com.android.application'
 apply plugin: 'kotlin-android'
 
+// Create a variable called keystorePropertiesFile, and initialize it to your
+// keystore.properties file, in the rootProject folder.
+def keystorePropertiesFile = rootProject.file("keystore.properties")
+
+// Initialize a new Properties() object called keystoreProperties.
+def keystoreProperties = new Properties()
+
+// Load your keystore.properties file into the keystoreProperties object.
+keystoreProperties.load(new FileInputStream(keystorePropertiesFile))
+
 android {
     compileSdkVersion 32
 
@@ -13,12 +23,20 @@ android {
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
-
+    signingConfigs {
+        create("release") {
+            keyAlias = keystoreProperties["keyAlias"]
+            keyPassword = keystoreProperties["keyPassword"]
+            storeFile = file(keystoreProperties["storeFile"])
+            storePassword = keystoreProperties["storePassword"]
+        }
+    }
     buildTypes {
         release {
             minifyEnabled true
             shrinkResources true
             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+            signingConfig = signingConfigs.getByName("release")
         }
     }