diff --git a/.github/signkey.jks b/.github/signkey.jks
new file mode 100644
index 0000000..a692c63
Binary files /dev/null and b/.github/signkey.jks differ
diff --git a/.github/workflows/android.yml b/.github/workflows/android.yml
index 7068bef..791ab83 100644
--- a/.github/workflows/android.yml
+++ b/.github/workflows/android.yml
@@ -7,10 +7,9 @@ on:
     branches: [ "master" ]
 
 jobs:
+
   build:
-
     runs-on: ubuntu-latest
-
     steps:
     - uses: actions/checkout@v3
     - name: Set up JDK 11
@@ -27,7 +26,7 @@ jobs:
     - name: Download package
       run: "curl -H 'x-rpc-client_type: 2' -H 'x-rpc-app_version: 2.37.1' -H 'x-rpc-channel: miyousheluodi' https://api-takumi.mihoyo.com/ptolemaios/api/getLatestRelease | jq --raw-output '.data.package_url' | xargs curl -o origin.apk"
     - name: Patch package
-      run: "java -jar gradle/lspatch/jar-v0.5.1-361-release.jar -f -l 2 -m app/build/outputs/apk/release/app-release-unsigned.apk -o pout origin.apk"
+      run: "java -jar gradle/lspatch/jar-v0.5.1-361-release.jar -f -l 2 -m app/build/outputs/apk/release/app-release.apk -o pout origin.apk"
     - name: Upload build artifacts
       uses: actions/upload-artifact@v3.1.0
       with:
diff --git a/app/build.gradle b/app/build.gradle
index ad76b2c..f82e94b 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -19,10 +19,20 @@ android {
         }
     }
 
+    signingConfigs {
+        release {
+            storeFile file('.github/signkey.jks')
+            keyAlias System.getenv("SIGNING_KEY_ALIAS")
+            keyPassword System.getenv("SIGNING_KEY_PASSWORD")
+            storePassword System.getenv("SIGNING_KEY_PASSWORD")
+        }
+    }
+
     buildTypes {
         release {
             minifyEnabled true
             shrinkResources true
+            signingConfig signingConfigs.release
             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
         }
     }