diff --git a/pubspec.lock b/pubspec.lock
index c874fc0e..006f4b97 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -838,7 +838,7 @@ packages:
     source: hosted
     version: "5.0.0"
   pub_semver:
-    dependency: transitive
+    dependency: "direct dev"
     description:
       name: pub_semver
       url: "https://pub.flutter-io.cn"
@@ -1174,7 +1174,7 @@ packages:
     source: hosted
     version: "5.1.0"
   yaml:
-    dependency: transitive
+    dependency: "direct dev"
     description:
       name: yaml
       url: "https://pub.flutter-io.cn"
diff --git a/pubspec.yaml b/pubspec.yaml
index 27c0c8bf..1b1742fd 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -2,10 +2,10 @@ name: aku_community
 description: A new Flutter project.
 publish_to: "none"
 
-version: 1.1.21-dev+27
+version: 1.2.0-dev+37
 
 environment:
-  sdk: '>=2.12.0 <3.0.0'
+  sdk: ">=2.12.0 <3.0.0"
 
 dependencies:
   flutter:
@@ -77,6 +77,8 @@ dev_dependencies:
   flutter_native_splash: ^1.1.8+4
   json_serializable: ^4.1.1
   build_runner: ^2.0.2
+  yaml: ^3.1.0
+  pub_semver: ^2.0.0
 
 flutter:
   uses-material-design: true
diff --git a/tool/_build.dart b/tool/_build.dart
new file mode 100644
index 00000000..067b6168
--- /dev/null
+++ b/tool/_build.dart
@@ -0,0 +1,28 @@
+part of './grind.dart';
+
+@Task('打包Android项目')
+buildApk() async {
+  await runAsync(
+    'flutter',
+    arguments: [
+      'build',
+      'apk',
+      '--target-platform=android-arm64',
+      '--dart-define',
+      'BUILD_TYPE=PRODUCT',
+    ],
+  );
+}
+
+@Task('打包iOS项目')
+buildIos() async {
+  await runAsync(
+    'flutter',
+    arguments: [
+      'build',
+      'ios',
+      '--dart-define',
+      'BUILD_TYPE=PRODUCT',
+    ],
+  );
+}
diff --git a/tool/_project_manage.dart b/tool/_project_manage.dart
new file mode 100644
index 00000000..5ec4f1c6
--- /dev/null
+++ b/tool/_project_manage.dart
@@ -0,0 +1,26 @@
+part of 'grind.dart';
+
+@Task('import 排序')
+void sort() {
+  Pub.run('import_sorter:main');
+}
+
+@Task('格式化dart代码')
+void format() {
+  DartFmt.format(libDir);
+}
+
+@Task('自动提交修改')
+@Depends(sort, format)
+void git() {
+  log(' commit to git');
+  run(
+    'git',
+    arguments: [
+      'commit',
+      '-a',
+      '-m',
+      '[auto task] sort & format',
+    ],
+  );
+}
diff --git a/tool/grind.dart b/tool/grind.dart
index e2261420..416dc5fa 100644
--- a/tool/grind.dart
+++ b/tool/grind.dart
@@ -1,61 +1,28 @@
+import 'dart:io';
+
 import 'package:grinder/grinder.dart';
+import 'package:path/path.dart';
+import 'package:pub_semver/pub_semver.dart';
+import 'package:yaml/yaml.dart';
 
-main(args) => grind(args);
+import 'version_tool.dart';
 
-@Task()
-test() => new TestRunner().testAsync();
+part '_build.dart';
+part '_project_manage.dart';
 
-@Task()
-buildApk() async {
-  await runAsync(
-    'flutter',
-    arguments: [
-      'build',
-      'apk',
-      '--target-platform=android-arm64',
-      '--dart-define',
-      'BUILD_TYPE=PRODUCT',
-    ],
-  );
-}
-
-@Task('build ios')
-buildIos() async {
-  await runAsync(
-    'flutter',
-    arguments: [
-      'build',
-      'ios',
-      '--dart-define',
-      'BUILD_TYPE=PRODUCT',
-    ],
-  );
-}
-
-@Task()
-clean() => defaultClean();
+main(args) => grind(args);
 
-@Task()
-void sort() {
-  Pub.run('import_sorter:main');
-}
+@Task('add version number')
+void addVersion() async {
+  String projectPath = Directory('.').absolute.path;
+  String yamlPath = join(projectPath, 'pubspec.yaml');
+  String yamlContent = await File(yamlPath).readAsString();
+  dynamic content = loadYaml(yamlContent);
+  String version = content['version'];
+  //rename version
 
-@Task()
-void format() {
-  DartFmt.format(libDir);
-}
+  Version resultVersion = VersionTool.fromText(version).nextMinorTag('dev');
 
-@Task('auto sort and format code')
-@Depends(sort, format)
-void git() {
-  log(' commit to git');
-  run(
-    'git',
-    arguments: [
-      'commit',
-      '-a',
-      '-m',
-      '[auto task] sort & format',
-    ],
-  );
+  String result = yamlContent.replaceFirst(version, resultVersion.toString());
+  await File(yamlPath).writeAsString(result);
 }
diff --git a/tool/version_tool.dart b/tool/version_tool.dart
new file mode 100644
index 00000000..0a3cd994
--- /dev/null
+++ b/tool/version_tool.dart
@@ -0,0 +1,59 @@
+import 'package:pub_semver/pub_semver.dart';
+
+enum VersionNumber {
+  MAJOR,
+  MINOR,
+  PATCH,
+}
+
+class VersionTool {
+  Version version;
+  VersionTool(this.version);
+  VersionTool.fromText(String text) : version = Version.parse(text);
+
+  Version get nextMajor => _addBuildNumber(VersionNumber.MAJOR);
+  Version get nextMinor => _addBuildNumber(VersionNumber.MINOR);
+  Version get nextPatch => _addBuildNumber(VersionNumber.PATCH);
+
+  Version nextMajorTag(String tag) => _addBuildNumber(
+        VersionNumber.MAJOR,
+        tag: tag,
+      );
+  Version nextMinorTag(String tag) => _addBuildNumber(
+        VersionNumber.MINOR,
+        tag: tag,
+      );
+  Version nextPatchTag(String tag) => _addBuildNumber(
+        VersionNumber.PATCH,
+        tag: tag,
+      );
+
+  Version _addBuildNumber(VersionNumber type, {String? tag}) {
+    switch (type) {
+      case VersionNumber.MAJOR:
+        return Version(
+          version.major,
+          version.minor,
+          version.patch + 1,
+          pre: tag,
+          build: '${(version.build.first as int) + 1}',
+        );
+      case VersionNumber.MINOR:
+        return Version(
+          version.major,
+          version.minor + 1,
+          0,
+          pre: tag,
+          build: '${(version.build.first as int) + 1}',
+        );
+      case VersionNumber.PATCH:
+        return Version(
+          version.major + 1,
+          0,
+          0,
+          pre: tag,
+          build: '${(version.build.first as int) + 1}',
+        );
+    }
+  }
+}