diff --git a/ota/manifest-beta.json b/ota/manifest-beta.json
index f46332b..4068965 100644
--- a/ota/manifest-beta.json
+++ b/ota/manifest-beta.json
@@ -1,14 +1 @@
-{
-  "version": "0.1.0",
-  "builds": {
-    "android": {
-      "type": "apk",
-      "tag": "v0.1.0-dav-android-8",
-      "url": "https://git.childish-ghost.com/LukeMackin/Yuzu-GCA/releases/download/v0.1.0-dav-android-8/v0.1.0-dav-android-8-debug.apk",
-      "sha256": "b2451a398ea2dd34e585c5ec4529d6654451c9b9ab4ddf4a25ec9b032f0ac2bf",
-      "size": 3506569,
-      "channel": "beta",
-      "minVersion": "0.1.0"
-    }
-  }
-}
+{"version":"0.1.0","builds":{}}
diff --git a/ota/manifest-nightly.json b/ota/manifest-nightly.json
index 254287d..87136c9 100644
--- a/ota/manifest-nightly.json
+++ b/ota/manifest-nightly.json
@@ -1,14 +1 @@
-{
-  "version": "0.1.0",
-  "builds": {
-    "android": {
-      "type": "apk",
-      "tag": "v0.1.0-dav-android-8",
-      "url": "https://git.childish-ghost.com/LukeMackin/Yuzu-GCA/releases/download/v0.1.0-dav-android-8/v0.1.0-dav-android-8-debug.apk",
-      "sha256": "b2451a398ea2dd34e585c5ec4529d6654451c9b9ab4ddf4a25ec9b032f0ac2bf",
-      "size": 3506569,
-      "channel": "nightly",
-      "minVersion": "0.1.0"
-    }
-  }
-}
+{"version":"0.1.0","builds":{"android":{"type":"apk","tag":"v0.1.0-dav-android-8","url":"https://git.childish-ghost.com/LukeMackin/Yuzu-GCA/releases/download/v0.1.0-dav-android-8/v0.1.0-dav-android-8-debug.apk","sha256":"b2451a398ea2dd34e585c5ec4529d6654451c9b9ab4ddf4a25ec9b032f0ac2bf","size":3506569,"channel":"nightly","minVersion":"0.1.0"}}}
diff --git a/ota/manifest-stable.json b/ota/manifest-stable.json
index 485c2b7..4068965 100644
--- a/ota/manifest-stable.json
+++ b/ota/manifest-stable.json
@@ -1,14 +1 @@
-{
-  "version": "0.1.0",
-  "builds": {
-    "android": {
-      "type": "apk",
-      "tag": "v0.1.0-dav-android-8",
-      "url": "https://git.childish-ghost.com/LukeMackin/Yuzu-GCA/releases/download/v0.1.0-dav-android-8/v0.1.0-dav-android-8-debug.apk",
-      "sha256": "b2451a398ea2dd34e585c5ec4529d6654451c9b9ab4ddf4a25ec9b032f0ac2bf",
-      "size": 3506569,
-      "channel": "stable",
-      "minVersion": "0.1.0"
-    }
-  }
-}
+{"version":"0.1.0","builds":{}}
diff --git a/packages/client-android/android/.gradle/8.10.2/executionHistory/executionHistory.bin b/packages/client-android/android/.gradle/8.10.2/executionHistory/executionHistory.bin
index bfd9d47..d10b3a3 100644
Binary files a/packages/client-android/android/.gradle/8.10.2/executionHistory/executionHistory.bin and b/packages/client-android/android/.gradle/8.10.2/executionHistory/executionHistory.bin differ
diff --git a/packages/client-android/android/.gradle/8.10.2/executionHistory/executionHistory.lock b/packages/client-android/android/.gradle/8.10.2/executionHistory/executionHistory.lock
index 1f0d76e..63e5993 100644
Binary files a/packages/client-android/android/.gradle/8.10.2/executionHistory/executionHistory.lock and b/packages/client-android/android/.gradle/8.10.2/executionHistory/executionHistory.lock differ
diff --git a/packages/client-android/android/.gradle/8.10.2/fileHashes/fileHashes.bin b/packages/client-android/android/.gradle/8.10.2/fileHashes/fileHashes.bin
index 06b1b6d..9f904ee 100644
Binary files a/packages/client-android/android/.gradle/8.10.2/fileHashes/fileHashes.bin and b/packages/client-android/android/.gradle/8.10.2/fileHashes/fileHashes.bin differ
diff --git a/packages/client-android/android/.gradle/8.10.2/fileHashes/fileHashes.lock b/packages/client-android/android/.gradle/8.10.2/fileHashes/fileHashes.lock
index c13f9e0..52084c7 100644
Binary files a/packages/client-android/android/.gradle/8.10.2/fileHashes/fileHashes.lock and b/packages/client-android/android/.gradle/8.10.2/fileHashes/fileHashes.lock differ
diff --git a/packages/client-android/android/.gradle/8.10.2/fileHashes/resourceHashesCache.bin b/packages/client-android/android/.gradle/8.10.2/fileHashes/resourceHashesCache.bin
index 5088aad..deaf8eb 100644
Binary files a/packages/client-android/android/.gradle/8.10.2/fileHashes/resourceHashesCache.bin and b/packages/client-android/android/.gradle/8.10.2/fileHashes/resourceHashesCache.bin differ
diff --git a/packages/client-android/android/.gradle/buildOutputCleanup/buildOutputCleanup.lock b/packages/client-android/android/.gradle/buildOutputCleanup/buildOutputCleanup.lock
index 1eb839f..bb6619d 100644
Binary files a/packages/client-android/android/.gradle/buildOutputCleanup/buildOutputCleanup.lock and b/packages/client-android/android/.gradle/buildOutputCleanup/buildOutputCleanup.lock differ
diff --git a/packages/client-android/android/.gradle/file-system.probe b/packages/client-android/android/.gradle/file-system.probe
index efede01..77c8d66 100644
Binary files a/packages/client-android/android/.gradle/file-system.probe and b/packages/client-android/android/.gradle/file-system.probe differ
diff --git a/packages/client-android/android/app/src/main/java/dev/yuzu/gca/MainActivity.kt b/packages/client-android/android/app/src/main/java/dev/yuzu/gca/MainActivity.kt
index f11cf77..3775a40 100644
--- a/packages/client-android/android/app/src/main/java/dev/yuzu/gca/MainActivity.kt
+++ b/packages/client-android/android/app/src/main/java/dev/yuzu/gca/MainActivity.kt
@@ -147,6 +147,11 @@ class MainActivity : AppCompatActivity() {
 
         // 2. 解析
         appendLog("[2/4] 解析 manifest...")
+        if (!manifestJson.contains("\"android\"")) {
+            appendLog("  ℹ️ 该渠道暂无可用更新")
+            appendLog("=== $channel 渠道测试完成 ===")
+            return@withContext
+        }
         var manifestSha256 = ""
         var manifestApkUrl = ""
         var manifestTag = ""