diff --git a/.github/scripts/patch-android-gradle.mjs b/.github/scripts/patch-android-gradle.mjs
deleted file mode 100644
index f8aad8f..0000000
--- a/.github/scripts/patch-android-gradle.mjs
+++ /dev/null
@@ -1,61 +0,0 @@
-import fs from "node:fs";
-import path from "node:path";
-import { fileURLToPath } from "node:url";
-
-const __dirname = path.dirname(fileURLToPath(import.meta.url));
-const root = path.resolve(__dirname, "../..");
-const gradlePath = path.join(
-  root,
-  "template/src-tauri/gen/android/app/build.gradle.kts",
-);
-
-if (!fs.existsSync(gradlePath)) {
-  console.log("Android gradle file not found, skipping patch");
-  process.exit(0);
-}
-
-let content = fs.readFileSync(gradlePath, "utf8");
-
-if (content.includes("signingConfigs")) {
-  console.log("Android gradle already has signingConfigs");
-  process.exit(0);
-}
-
-if (!content.includes("import java.util.Properties")) {
-  content = content.replace(
-    /^(import .+\n)+/m,
-    (block) => `${block}import java.util.Properties\nimport java.io.FileInputStream\n`,
-  );
-}
-
-const signingBlock = `
-    signingConfigs {
-        create("release") {
-            val keystorePropertiesFile = rootProject.file("keystore.properties")
-            val keystoreProperties = Properties()
-            if (keystorePropertiesFile.exists()) {
-                keystoreProperties.load(FileInputStream(keystorePropertiesFile))
-            }
-
-            keyAlias = keystoreProperties["keyAlias"] as String
-            keyPassword = keystoreProperties["password"] as String
-            storeFile = file(keystoreProperties["storeFile"] as String)
-            storePassword = keystoreProperties["password"] as String
-        }
-    }
-`;
-
-if (content.includes("buildTypes {")) {
-  content = content.replace("buildTypes {", `${signingBlock}\n    buildTypes {`);
-}
-
-if (!content.includes('signingConfig = signingConfigs.getByName("release")')) {
-  content = content.replace(
-    /getByName\("release"\)\s*\{/,
-    `getByName("release") {
-            signingConfig = signingConfigs.getByName("release")`,
-  );
-}
-
-fs.writeFileSync(gradlePath, content);
-console.log("Patched Android gradle signing configuration");
diff --git a/.github/scripts/setup-android-signing.sh b/.github/scripts/setup-android-signing.sh
index dfd3299..183bf80 100644
--- a/.github/scripts/setup-android-signing.sh
+++ b/.github/scripts/setup-android-signing.sh
@@ -27,13 +27,4 @@ export WEB2APP_ANDROID_STORE_PASS="${STORE_PASS}"
 export WEB2APP_ANDROID_KEY_PASS="${KEY_PASS}"
 export WEB2APP_ANDROID_KEY_ALIAS="${KEY_ALIAS}"
 
-ANDROID_DIR="template/src-tauri/gen/android"
-if [ -d "${ANDROID_DIR}" ]; then
-  cat > "${ANDROID_DIR}/keystore.properties" <<EOF
-keyAlias=${KEY_ALIAS}
-password=${KEY_PASS}
-storeFile=${KEYSTORE_PATH}
-EOF
-fi
-
 echo "Android signing material ready at ${KEYSTORE_PATH}"
diff --git a/.github/workflows/build-app.yml b/.github/workflows/build-app.yml
index e9d184c..c5cf084 100644
--- a/.github/workflows/build-app.yml
+++ b/.github/workflows/build-app.yml
@@ -117,17 +117,6 @@ jobs:
         env:
           NDK_HOME: ${{ env.ANDROID_HOME }}/ndk/${{ env.NDK_VERSION }}
 
-      - name: Setup Android signing
-        run: bash .github/scripts/setup-android-signing.sh
-        env:
-          ANDROID_KEYSTORE_BASE64: ${{ secrets.ANDROID_KEYSTORE_BASE64 }}
-          ANDROID_KEYSTORE_PASSWORD: ${{ secrets.ANDROID_KEYSTORE_PASSWORD }}
-          ANDROID_KEY_PASSWORD: ${{ secrets.ANDROID_KEY_PASSWORD }}
-          ANDROID_KEY_ALIAS: ${{ secrets.ANDROID_KEY_ALIAS }}
-
-      - name: Patch Android Gradle signing
-        run: node .github/scripts/patch-android-gradle.mjs
-
       - name: Build Android APK
         working-directory: template
         run: npm run tauri android build -- --apk
diff --git a/README.md b/README.md
index daa41e9..9c18417 100644
--- a/README.md
+++ b/README.md
@@ -104,7 +104,7 @@ powershell Compress-Archive -Path * -DestinationPath ../sample-site.zip -Force
 
 ### Android 签名与安装
 
-- CI 构建完成后会用 `apksigner` 对 APK **签名**，可直接侧载安装
+- CI 先构建未签名 APK，再用 `apksigner` **签名**，可直接侧载安装（不修改 Gradle 配置，避免构建失败）
 - 未配置 Secrets 时，workflow 会生成临时 CI 证书（密码 `web2app-ci`，仅适合 demo）
 - 生产环境建议在仓库 Settings → Secrets 配置：