diff --git a/android/gradle.properties b/android/gradle.properties
index 4bf4e55..2468a03 100644
--- a/android/gradle.properties
+++ b/android/gradle.properties
@@ -1,4 +1,4 @@
-org.gradle.jvmargs=-Xmx2g
+org.gradle.jvmargs=-Xmx4g -Xms2g
 android.enableJetifier=true
 android.useAndroidX=true
 android.enableR8=false
diff --git a/pubspec.lock b/pubspec.lock
index 379d8e9..506af3b 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -169,6 +169,13 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.9.10"
+  cli_util:
+    dependency: transitive
+    description:
+      name: cli_util
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "0.2.0"
   clock:
     dependency: transitive
     description:
@@ -522,6 +529,13 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.2.0"
+  grinder:
+    dependency: "direct dev"
+    description:
+      name: grinder
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "0.8.6"
   html:
     dependency: transitive
     description:
diff --git a/pubspec.yaml b/pubspec.yaml
index 6d49292..6ba5317 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -219,6 +219,7 @@ dev_dependencies:
     sdk: flutter
   build_runner: ^1.0.0
   json_serializable: ^2.0.0
+  grinder:
 
 flutter:
   uses-material-design: true
diff --git a/tool/config.dart b/tool/config.dart
new file mode 100644
index 0000000..bcf5f96
--- /dev/null
+++ b/tool/config.dart
@@ -0,0 +1,27 @@
+class Config {
+  ///用户根目录
+  static const homeDir = '/Users/akufe';
+
+  ///签名密码
+  static const recookPassword = 'recook';
+
+  /// 签名目录
+  static const keystorePath = './jks/recook.keystore';
+
+  ///包名
+  static const packageName = 'RECOOK';
+
+  ///Android SDK 目录
+  static String get androidSdkRoot => '$homeDir/Library/Android/sdk';
+
+  ///Apksigner 目录
+  static String get apksignerPath =>
+      '$androidSdkRoot/build-tools/30.0.2/apksigner';
+
+  ///下载目录
+  static String get downloadPath => '$homeDir/Downloads';
+
+  ///打包目录
+  static String get buildPath =>
+      './build/app/outputs/flutter-apk/app-release.apk';
+}
diff --git a/tool/grind.dart b/tool/grind.dart
new file mode 100644
index 0000000..4967f3f
--- /dev/null
+++ b/tool/grind.dart
@@ -0,0 +1,82 @@
+import 'dart:async';
+import 'dart:io';
+import 'package:grinder/grinder.dart';
+
+import 'config.dart';
+
+main(args) => grind(args);
+
+int pid;
+
+@Task()
+test() => new TestRunner().testAsync();
+
+///打包APK
+@Task()
+Future buildApk() async {
+  TaskArgs args = context.invocation.arguments;
+  bool verbose = args.getFlag('v');
+  stdout.write("Build APK 📦\n");
+  stdout.write("BUILDINGAPK");
+  await Process.start('flutter', ['build', 'apk']).then((proc) async {
+    if (verbose) {
+      await stdout.addStream(proc.stdout);
+      await stderr.addStream(proc.stderr);
+    }
+  });
+  stdout.write("\rBuild APK DONE 📦\n");
+  stdout.write("copy build to download 🛠\n");
+  await Process.run('rm', ['-rf', '${Config.downloadPath}/builds']);
+  await Process.run('mkdir', ['${Config.downloadPath}/builds']);
+  await Process.run('cp', [
+    Config.buildPath,
+    '${Config.downloadPath}/builds/${Config.packageName}_release.apk'
+  ]);
+
+  stdout.write("opening downloadPath 🛠\n");
+  await Process.run('open', ['${Config.downloadPath}/builds']);
+  stdout.write("opening tencent reinforce 🛠\n");
+  await Process.run(
+      'open', ['https://console.cloud.tencent.com/ms/reinforce/upload']);
+}
+
+@Task()
+rawBuild({bool verbose = false}) async {
+  String getLine = stdin.readLineSync();
+  stdout.write(getLine);
+}
+
+///签名
+@Task()
+sign() async {
+  stdout.write('start SIGN 🔑\n');
+  ProcessResult process = await Process.run(
+    Config.apksignerPath,
+    [
+      'sign',
+      '--ks',
+      Config.keystorePath,
+      '--ks-key-alias',
+      'alias',
+      '--ks-pass',
+      'pass:${Config.recookPassword}',
+      '--key-pass',
+      'pass:${Config.recookPassword}',
+      '--out',
+      '${Config.downloadPath}/builds/${Config.packageName}_release_signed.apk',
+      '${Config.downloadPath}/builds/${Config.packageName}_release.apk',
+    ],
+  );
+  stdout.write(process.stdout);
+  stderr.write(process.stderr);
+  stdout.write('end SIGN 🔑\n');
+}
+
+@DefaultTask()
+@Depends(test)
+build() {
+  Pub.build();
+}
+
+@Task()
+clean() => defaultClean();