diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..8f27e18
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,25 @@
+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-java@v4
+        with:
+          java-version: '17'
+          distribution: 'temurin'
+      - uses: android-actions/setup-android@v3
+        with:
+          packages: 'platforms;android-35 build-tools;35.0.0'
+      - name: Run unit tests
+        run: |
+          chmod +x gradlew
+          ./gradlew testDebugUnitTest
+      - name: Assemble Debug
+        run: ./gradlew assembleDebug
\ No newline at end of file
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 7ff9266..07617c7 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -21,6 +21,10 @@ jobs:
       - name: Decode Keystore
         run: echo "${{ secrets.KEYSTORE_BASE64 }}" | base64 -d > release.jks
       - name: Build Release APK
+        env:
+          KEYSTORE_PASSWORD: ${{ secrets.KEYSTORE_PASSWORD }}
+          KEYSTORE_ALIAS: ${{ secrets.KEYSTORE_ALIAS }}
+          KEY_PASSWORD: ${{ secrets.KEY_PASSWORD }}
         run: |
           chmod +x gradlew
           ./gradlew assembleRelease
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..7508038
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2026 Rainy
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
\ No newline at end of file
diff --git a/README.md b/README.md
index 679c320..d04bf5c 100644
--- a/README.md
+++ b/README.md
@@ -185,9 +185,9 @@ chmod +x ./setup_android_env.sh
 
 - ✅ API Key / Session 凭据存入 **Android Keystore**（AES-256 GCM 加密）
 - ✅ 网络请求仅向 DeepSeek / OpenCode 官方 API 发出
-- ✅ API Key / Session 由 Android Keystore 加密；应用数据备份规则由 `data_extraction_rules.xml` / `backup_rules.xml` 控制
+- ✅ `allowBackup=false`：凭据密文、用量数据均不参与系统备份，避免换机恢复后密文无法解密
 - ✅ 签名密钥固定，每次 Release 可覆盖安装
-- ✅ GitHub Secrets 加密存储签名密钥，CI 中解码使用
+- ✅ GitHub Secrets 加密存储签名密钥及密码，CI 中解码使用
 
 ---
 
diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 34dfc7a..094cf9c 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -14,8 +14,8 @@ android {
         applicationId = "com.rainy.token"
         minSdk = 31
         targetSdk = 35
-        versionCode = 1
-        versionName = "1.0"
+        versionCode = 5
+        versionName = "1.5"
 
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
         vectorDrawables {
@@ -26,9 +26,9 @@ android {
     signingConfigs {
         create("release") {
             storeFile = rootProject.file("release.jks")
-            storePassword = System.getenv("KEYSTORE_PASSWORD") ?: "RainyToken2026!"
+            storePassword = System.getenv("KEYSTORE_PASSWORD") ?: ""
             keyAlias = System.getenv("KEYSTORE_ALIAS") ?: "rainy"
-            keyPassword = System.getenv("KEY_PASSWORD") ?: "RainyToken2026!"
+            keyPassword = System.getenv("KEY_PASSWORD") ?: ""
         }
     }
 
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 316fc4a..fc63127 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -7,10 +7,8 @@
 
     <application
         android:name=".RainyTokenApplication"
-        android:allowBackup="true"
+        android:allowBackup="false"
         android:enableOnBackInvokedCallback="true"
-        android:dataExtractionRules="@xml/data_extraction_rules"
-        android:fullBackupContent="@xml/backup_rules"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
         android:roundIcon="@mipmap/ic_launcher_round"
diff --git a/app/src/main/java/com/rainy/token/data/repository/CommandCodeGoRepository.kt b/app/src/main/java/com/rainy/token/data/repository/CommandCodeGoRepository.kt
index 3d2b1d3..c9461af 100644
--- a/app/src/main/java/com/rainy/token/data/repository/CommandCodeGoRepository.kt
+++ b/app/src/main/java/com/rainy/token/data/repository/CommandCodeGoRepository.kt
@@ -52,7 +52,7 @@ class CommandCodeGoRepository(
             return@withContext Result.failure(RepositoryError.InvalidCredential())
         }
 
-        // 并行拉取 credits + subscriptions
+        // 顺序拉取 credits + subscriptions（credits 是主要数据源，subscription 用于补充计划信息）
         val creditsResult = runCatching { fetchCredits(apiKey) }
         val subResult = runCatching { fetchSubscription(apiKey) }
 
diff --git a/app/src/main/java/com/rainy/token/ui/servicedetail/ServiceDetailScreen.kt b/app/src/main/java/com/rainy/token/ui/servicedetail/ServiceDetailScreen.kt
index bf15b44..8c32095 100644
--- a/app/src/main/java/com/rainy/token/ui/servicedetail/ServiceDetailScreen.kt
+++ b/app/src/main/java/com/rainy/token/ui/servicedetail/ServiceDetailScreen.kt
@@ -1003,7 +1003,7 @@ private fun ActionButtons(
                 Text("刷新余额")
             }
             OutlinedButton(
-                onClick = onStartWebViewLogin,
+                onClick = onConfigureCredential,
                 modifier = Modifier.fillMaxWidth()
             ) {
                 Text("重新登录")
diff --git a/app/src/main/java/com/rainy/token/ui/settings/CredentialEditScreen.kt b/app/src/main/java/com/rainy/token/ui/settings/CredentialEditScreen.kt
index c371bb1..83a30de 100644
--- a/app/src/main/java/com/rainy/token/ui/settings/CredentialEditScreen.kt
+++ b/app/src/main/java/com/rainy/token/ui/settings/CredentialEditScreen.kt
@@ -171,7 +171,8 @@ fun CredentialEditScreen(
                                 onShowHelp = { showGoHelp = true }
                             )
                         } else {
-                        // 通用 WebView 抓取 / 手动模式
+                        // 通用 WebView 抓取已移除（半成品功能，凭据无法正确映射到 Repository 字段）
+                        // 保留手动 Cookie 粘贴作为 fallback
                         ManualCookieForm(
                             cookieValue = uiState.cookieInput,
                             onCookieChange = viewModel::updateCookieInput,
@@ -184,12 +185,6 @@ fun CredentialEditScreen(
                             },
                             onShowHelp = { showCookieHelp = true }
                         )
-                        OutlinedButton(
-                            onClick = { onStartWebViewLogin(service) },
-                            modifier = Modifier.fillMaxWidth()
-                        ) {
-                            Text(text = "尝试 WebView 登录（备用）")
-                        }
                         if (uiState.hasExisting) {
                             Text(
                                 text = "✓ 已配置登录态（${uiState.cookieCount} 个 Cookie）",