diff --git a/lib/core/utils/server.dart b/lib/core/utils/server.dart
index 8a400937..db3077c9 100644
--- a/lib/core/utils/server.dart
+++ b/lib/core/utils/server.dart
@@ -1,5 +1,6 @@
 import 'dart:async';
 
+import 'package:computer/computer.dart';
 import 'package:dartssh2/dartssh2.dart';
 import 'package:flutter/foundation.dart';
 import 'package:toolbox/data/model/app/error.dart';
@@ -120,6 +121,6 @@ Future<SSHClient> genClient(
   return SSHClient(
     socket,
     username: spi.user,
-    identities: await compute(loadIndentity, privateKey),
+    identities: await Computer.shared.start(loadIndentity, privateKey),
   );
 }
diff --git a/lib/core/utils/sync/icloud.dart b/lib/core/utils/sync/icloud.dart
index c89f0b4d..359551ea 100644
--- a/lib/core/utils/sync/icloud.dart
+++ b/lib/core/utils/sync/icloud.dart
@@ -1,7 +1,7 @@
 import 'dart:async';
 import 'dart:io';
 
-import 'package:flutter/foundation.dart';
+import 'package:computer/computer.dart';
 import 'package:icloud_storage/icloud_storage.dart';
 import 'package:logging/logging.dart';
 import 'package:toolbox/data/model/app/backup.dart';
@@ -204,7 +204,7 @@ abstract final class ICloud {
       return;
     }
     final dlFile = await File(await Paths.bak).readAsString();
-    final dlBak = await compute(Backup.fromJsonString, dlFile);
+    final dlBak = await Computer.shared.start(Backup.fromJsonString, dlFile);
     final restore = await dlBak.restore();
     switch (restore) {
       case true:
diff --git a/lib/core/utils/sync/webdav.dart b/lib/core/utils/sync/webdav.dart
index 1f0a82fe..6ac9ccae 100644
--- a/lib/core/utils/sync/webdav.dart
+++ b/lib/core/utils/sync/webdav.dart
@@ -1,6 +1,6 @@
 import 'dart:io';
 
-import 'package:flutter/foundation.dart';
+import 'package:computer/computer.dart';
 import 'package:logging/logging.dart';
 import 'package:toolbox/data/model/app/backup.dart';
 import 'package:toolbox/data/model/app/error.dart';
@@ -101,7 +101,7 @@ abstract final class Webdav {
       await backup();
       return;
     }
-    final dlFile = await compute(
+    final dlFile = await Computer.shared.start(
       (message) async {
         try {
           final file = await File(message).readAsString();
diff --git a/lib/data/provider/server.dart b/lib/data/provider/server.dart
index 5e135886..4df1c39c 100644
--- a/lib/data/provider/server.dart
+++ b/lib/data/provider/server.dart
@@ -1,8 +1,8 @@
 import 'dart:async';
 import 'dart:io';
 
+import 'package:computer/computer.dart';
 import 'package:dartssh2/dartssh2.dart';
-import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:toolbox/core/utils/platform/path.dart';
 import 'package:toolbox/data/model/app/shell_func.dart';
@@ -378,7 +378,7 @@ class ServerProvider extends ChangeNotifier {
         segments: segments,
         system: systemType,
       );
-      s.status = await compute(getStatus, req);
+      s.status = await Computer.shared.start(getStatus, req);
     } catch (e, trace) {
       TryLimiter.inc(sid);
       s.status.err = 'Parse failed: $e\n\n$raw';
diff --git a/lib/main.dart b/lib/main.dart
index 26f4e772..6a4ad653 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -2,12 +2,14 @@
 
 import 'dart:async';
 
+import 'package:computer/computer.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_displaymode/flutter_displaymode.dart';
 import 'package:hive_flutter/hive_flutter.dart';
 import 'package:logging/logging.dart';
 import 'package:provider/provider.dart';
 import 'package:shared_preferences/shared_preferences.dart';
+import 'package:toolbox/core/build_mode.dart';
 import 'package:toolbox/core/channel/bg_run.dart';
 import 'package:toolbox/core/utils/sync/icloud.dart';
 import 'package:toolbox/core/utils/platform/base.dart';
@@ -77,6 +79,11 @@ Future<void> _initApp() async {
   // Base of all data.
   await _initDb();
   await setupLocator();
+  Computer.shared.turnOn(
+    // Plus 1 to avoid 0.
+    workersCount: (Stores.server.box.keys.length / 3).round() + 1,
+    verbose: !BuildMode.isRelease,
+  );
   _setupLogger();
   _setupProviders();
 
diff --git a/lib/view/page/backup.dart b/lib/view/page/backup.dart
index 7ab993b0..a2c65687 100644
--- a/lib/view/page/backup.dart
+++ b/lib/view/page/backup.dart
@@ -1,6 +1,6 @@
 import 'dart:io';
 
-import 'package:flutter/foundation.dart';
+import 'package:computer/computer.dart';
 import 'package:flutter/material.dart';
 import 'package:toolbox/core/extension/context/common.dart';
 import 'package:toolbox/core/extension/context/dialog.dart';
@@ -206,7 +206,7 @@ class BackupPage extends StatelessWidget {
 
     try {
       context.showLoadingDialog();
-      final backup = await compute(Backup.fromJsonString, text.trim());
+      final backup = await Computer.shared.start(Backup.fromJsonString, text.trim());
       if (backupFormatVersion != backup.version) {
         context.showSnackBar(l10n.backupVersionNotMatch);
         return;
@@ -283,7 +283,7 @@ class BackupPage extends StatelessWidget {
       return;
     }
     final dlFile = await File(fileName).readAsString();
-    final dlBak = await compute(Backup.fromJsonString, dlFile);
+    final dlBak = await Computer.shared.start(Backup.fromJsonString, dlFile);
     await dlBak.restore(force: true);
     webdavLoading.value = false;
   }
diff --git a/lib/view/page/editor.dart b/lib/view/page/editor.dart
index 1de32faf..f0041b7a 100644
--- a/lib/view/page/editor.dart
+++ b/lib/view/page/editor.dart
@@ -2,7 +2,7 @@ import 'dart:async';
 import 'dart:io';
 
 import 'package:code_text_field/code_text_field.dart';
-import 'package:flutter/foundation.dart';
+import 'package:computer/computer.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_highlight/theme_map.dart';
 import 'package:flutter_highlight/themes/a11y-light.dart';
@@ -76,7 +76,7 @@ class _EditorPageState extends State<EditorPage> {
 
   Future<void> _setupCtrl() async {
     if (widget.path != null) {
-      final code = await compute(
+      final code = await Computer.shared.start(
         (path) async => await File(path).readAsString(),
         widget.path!,
       );
diff --git a/lib/view/page/private_key/edit.dart b/lib/view/page/private_key/edit.dart
index 6c8cf8a7..1340933a 100644
--- a/lib/view/page/private_key/edit.dart
+++ b/lib/view/page/private_key/edit.dart
@@ -1,6 +1,6 @@
 import 'dart:io';
 
-import 'package:flutter/foundation.dart';
+import 'package:computer/computer.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:toolbox/core/extension/context/common.dart';
@@ -134,7 +134,7 @@ class _PrivateKeyEditPageState extends State<PrivateKeyEditPage> {
           _loading = UIs.centerSizedLoading;
         });
         try {
-          final decrypted = await compute(decyptPem, [key, pwd]);
+          final decrypted = await Computer.shared.start(decyptPem, [key, pwd]);
           final pki = PrivateKeyInfo(id: name, key: decrypted);
           if (widget.pki != null) {
             Pros.key.update(widget.pki!, pki);
diff --git a/pubspec.lock b/pubspec.lock
index 19037bfd..2b0778b0 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -202,6 +202,15 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.18.0"
+  computer:
+    dependency: "direct main"
+    description:
+      path: "."
+      ref: master
+      resolved-ref: b0819c8a939e1fa6858f1a0e12ee8122db0df390
+      url: "https://github.com/lollipopkit/dart_computer"
+    source: git
+    version: "3.2.1"
   convert:
     dependency: transitive
     description:
diff --git a/pubspec.yaml b/pubspec.yaml
index f55c426d..7eca44d2 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -67,6 +67,10 @@ dependencies:
   window_manager: ^0.3.7
   flutter_displaymode: ^0.6.0
   flutter_markdown: ^0.6.18+2
+  computer:
+    git:
+      ref: master
+      url: https://github.com/lollipopkit/dart_computer
 
 dev_dependencies:
   flutter_native_splash: ^2.1.6