diff --git a/.autod.conf b/.autod.conf
deleted file mode 100644
index 1f79c8c6..00000000
--- a/.autod.conf
+++ /dev/null
@@ -1,26 +0,0 @@
-'ues strict';
-
-module.exports = {
-  write: true,
-  prefix: '^',
-  devprefix: '^',
-  exclude: [
-    'test/fixtures',
-  ],
-  dep: [
-    'mocha',
-    'intelli-espower-loader',
-    'power-assert',
-    'espower-typescript',
-    'ypkgfiles',
-  ],
-  devdep: [
-    'egg',
-    'autod',
-    'eslint-config-egg',
-  ],
-  keep: [
-  ],
-  semver: [
-  ],
-};
diff --git a/.github/workflows/nodejs.yml b/.github/workflows/nodejs.yml
index 3eb06691..594d1fe3 100644
--- a/.github/workflows/nodejs.yml
+++ b/.github/workflows/nodejs.yml
@@ -2,13 +2,10 @@ name: CI
 
 on:
   push:
-    branches: [ master, main ]
+    branches: [ master, 5.x ]
 
   pull_request:
-    branches: [ master, main, next, beta, '*.x' ]
-
-  schedule:
-    - cron: '0 2 * * *'
+    branches: [ master, 5.x ]
 
   workflow_dispatch: {}
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 25f22d79..1be0e55c 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -1,10 +1,8 @@
 name: Release
 on:
-  # 合并后自动发布
   push:
-    branches: [ master ]
+    branches: [ master, 5.x ]
 
-  # 手动发布
   workflow_dispatch: {}
 
 jobs:
@@ -16,4 +14,3 @@ jobs:
       GIT_TOKEN: ${{ secrets.GIT_TOKEN }}
     with:
       checkTest: false
-      # dryRun: true
diff --git a/README.md b/README.md
index eb97d158..750f9515 100644
--- a/README.md
+++ b/README.md
@@ -70,7 +70,7 @@ Start dev cluster on `local` env, it will start a master, an agent and a worker.
 egg-bin dev
 ```
 
-##### options
+#### dev options
 
 - `--framework` egg web framework root path.
 - `--baseDir` application's root path, default to `process.cwd()`.
@@ -93,7 +93,7 @@ if running without `VSCode` or `WebStorm`, we will use [inspector-proxy](https:/
 egg-bin debug --debug-port=9229 --proxy=9999
 ```
 
-##### options
+#### debug options
 
 - all `egg-bin dev` options is accepted.
 - `--proxy=9999` worker debug proxy port.
@@ -102,8 +102,6 @@ egg-bin debug --debug-port=9229 --proxy=9999
 
 Using [mocha] to run test.
 
-[power-assert] is the default `assert` library, and [intelli-espower-loader] will be auto required.
-
 ```bash
 egg-bin test [files] [options]
 ```
@@ -121,7 +119,7 @@ test
   └── foo.test.js
 ```
 
-#### options
+#### test options
 
 You can pass any mocha argv.
 
@@ -132,14 +130,13 @@ You can pass any mocha argv.
 - `--typescript` / `--ts` enable typescript support, default to `false`.
 - `--changed` / `-c` only test changed test files(test files means files that match `${pwd}/test/**/*.test.(js|ts)`)
 - `--dry-run` / `-d` whether dry-run the test command, just show the command
-- `--espower` / `-e` whether auto require intelli-espower-loader(js) or espower-typescript(ts) for power-assert, default to `false`.
 - `--parallel` enable mocha parallel mode, default to `false`.
 - `--auto-agent` auto start agent in mocha master agent.
 - `--jobs` number of jobs to run in parallel, default to `os.cpus().length - 1`.
 - `--mochawesome` enable [mochawesome](https://github.com/adamgruber/mochawesome) reporter, default to `false`.
 - see more at <https://mochajs.org/#usage>
 
-#### environment
+#### test environment
 
 Environment is also support, will use it if options not provide.
 
@@ -165,8 +162,6 @@ TEST_TIMEOUT=2000 egg-bin test
 
 Using [node:test] to run test.
 
-[power-assert] is the default `assert` library, and [intelli-espower-loader] will be auto required.
-
 ```bash
 egg-bin node-test [files] [options]
 ```
@@ -180,7 +175,7 @@ egg-bin node-test [files] [options]
 
 TBD: TypeScript not support yet
 
-#### environment
+#### node-test environment
 
 Environment is also support, will use it if options not provide.
 
@@ -371,9 +366,6 @@ This project follows the git-contributor [spec](https://github.com/xudafeng/git-
 [node:test]: https://nodejs.org/api/test.html
 [glob]: https://github.com/isaacs/node-glob
 [nsp]: https://npmjs.com/nsp
-[iron-node]: https://github.com/s-a/iron-node
-[intelli-espower-loader]: https://github.com/power-assert-js/intelli-espower-loader
-[power-assert]: https://github.com/power-assert-js/power-assert
 [ypkgfiles]: https://github.com/popomore/ypkgfiles
 [common-bin]: https://github.com/node-modules/common-bin
 [autod]: https://github.com/node-modules/autod
diff --git a/lib/cmd/test.js b/lib/cmd/test.js
index 73f63668..cca13fa2 100644
--- a/lib/cmd/test.js
+++ b/lib/cmd/test.js
@@ -39,12 +39,6 @@ class TestCommand extends Command {
         description: 'whether show test command, no test will be executed',
         alias: 'd',
       },
-      espower: {
-        type: 'boolean',
-        description: 'whether require intelli-espower-loader(js) or espower-typescript(ts) for power-assert',
-        default: false,
-        alias: 'e',
-      },
       parallel: {
         type: 'boolean',
         description: 'mocha parallel mode',
@@ -106,10 +100,11 @@ class TestCommand extends Command {
    * @param {Object} context - { cwd, argv, ...}
    * @param {Object} context.argv test arguments
    * @param {Object} context.debugOptions debug options
+   * @param {Object} context.execArgvObj exec argv object
    * @return {Array} [ '--require=xxx', 'xx.test.js' ]
    * @protected
    */
-  async formatTestArgs({ argv, debugOptions }) {
+  async formatTestArgs({ argv, debugOptions, execArgvObj }) {
     const testArgv = Object.assign({}, argv);
 
     /* istanbul ignore next */
@@ -127,24 +122,11 @@ class TestCommand extends Command {
     }
 
     // collect require
-    let requireArr = testArgv.require || testArgv.r || [];
-    /* istanbul ignore next */
-    if (!Array.isArray(requireArr)) requireArr = [ requireArr ];
+    const requireArr = execArgvObj.require;
 
     // clean mocha stack, inspired by https://github.com/rstacruz/mocha-clean
     // [mocha built-in](https://github.com/mochajs/mocha/blob/master/lib/utils.js#L738) don't work with `[npminstall](https://github.com/cnpm/npminstall)`, so we will override it.
     if (!testArgv.fullTrace) requireArr.unshift(require.resolve('../mocha-clean'));
-
-    if (requireArr.includes('intelli-espower-loader')) {
-      console.warn('[egg-bin] don\'t need to manually require `intelli-espower-loader` anymore');
-    } else if (testArgv.espower) {
-      if (testArgv.typescript) {
-        // espower-typescript must append after ts-node
-        requireArr.push(testArgv.tscompiler, require.resolve('../espower-typescript'));
-      } else {
-        requireArr.push(require.resolve('intelli-espower-loader'));
-      }
-    }
     if (testArgv.parallel && testArgv['auto-agent']) {
       try {
         requireArr.push(require.resolve('egg-mock/lib/parallel/agent_register'));
diff --git a/lib/espower-typescript.js b/lib/espower-typescript.js
deleted file mode 100644
index 5515e622..00000000
--- a/lib/espower-typescript.js
+++ /dev/null
@@ -1,41 +0,0 @@
-'use strict';
-
-const path = require('path');
-const espowerSource = require('espower-source');
-const minimatch = require('minimatch');
-const sourceMapSupport = require('source-map-support');
-const sourceCache = {};
-const cwd = process.cwd();
-
-espowerTypeScript({
-  pattern: path.resolve(cwd, 'test/**/*.@(js|jsx|ts|tsx)'),
-  extensions: [ 'js', 'jsx', 'ts', 'tsx' ],
-});
-
-function espowerTypeScript(options) {
-  // install source-map-support again to correct the source-map
-  sourceMapSupport.install({
-    environment: 'node',
-    retrieveFile: p => sourceCache[p],
-  });
-
-  options.extensions.forEach(ext => {
-    espowerTsRegister(`.${ext}`, options);
-  });
-}
-
-function espowerTsRegister(ext, options) {
-  const originalExtension = require.extensions[ext];
-  require.extensions[ext] = (module, filepath) => {
-    if (!minimatch(filepath, options.pattern)) {
-      return originalExtension(module, filepath);
-    }
-    const originalCompile = module._compile;
-    module._compile = function(code, filepath) {
-      const newSource = espowerSource(code, filepath, options);
-      sourceCache[filepath] = newSource;
-      return originalCompile.call(this, newSource, filepath);
-    };
-    return originalExtension(module, filepath);
-  };
-}
diff --git a/lib/mocha-clean.js b/lib/mocha-clean.js
index e83a4df4..4a9f77a3 100644
--- a/lib/mocha-clean.js
+++ b/lib/mocha-clean.js
@@ -15,7 +15,6 @@ const internal = [
   'at Promise (<anonymous>)',
   'at next (native)',
   '__mocha_internal__',
-  /node_modules\/.*empower-core\//,
   /node_modules\/.*mocha\//,
   /node_modules\/.*co\//,
   /node_modules\/.*supertest\//,
diff --git a/package.json b/package.json
index cac9b058..66ee1ef4 100644
--- a/package.json
+++ b/package.json
@@ -23,16 +23,12 @@
     "detect-port": "^1.3.0",
     "egg-ts-helper": "^1.30.3",
     "egg-utils": "^2.4.1",
-    "espower-source": "^2.3.0",
-    "espower-typescript": "^10.0.0",
     "globby": "^11.1.0",
     "inspector-proxy": "^1.2.2",
-    "intelli-espower-loader": "^1.1.0",
     "jest-changed-files": "^28.0.2",
     "minimatch": "^5.1.0",
     "mocha": "^10.0.0",
     "mochawesome": "^7.1.3",
-    "power-assert": "^1.6.1",
     "semver": "^7.3.7",
     "source-map-support": "^0.5.21",
     "test": "^3.0.0",
@@ -56,7 +52,7 @@
     "coffee": "^5.4.0",
     "cpy": "^8.1.2",
     "cross-env": "^3.1.3",
-    "egg": "^2.35.0",
+    "egg": "^3.9.1",
     "egg-mock": "^5.0.2",
     "enzyme": "^2.0.0",
     "esbuild-register": "^2.5.0",
@@ -89,8 +85,7 @@
     "test-mochawesome": "npm run test-local -- --mochawesome",
     "cov": "c8 -r lcov -r text-summary npm run test-local",
     "ci-test-only": "npm run test-local -- test/lib/cmd/cov.test.js",
-    "ci": "npm run lint && npm run pkgfiles -- --check && npm run ci-test-only && npm run test-local",
-    "autod": "node bin/egg-bin.js autod"
+    "ci": "npm run lint && npm run pkgfiles -- --check && npm run ci-test-only && npm run test-local"
   },
   "engines": {
     "node": ">= 14.0.0"
diff --git a/test/fixtures/example-ts/tsconfig.json b/test/fixtures/example-ts/tsconfig.json
index 4f10abf7..18023ce2 100644
--- a/test/fixtures/example-ts/tsconfig.json
+++ b/test/fixtures/example-ts/tsconfig.json
@@ -1,19 +1,9 @@
 {
+  "extends": "@eggjs/tsconfig",
   "compilerOptions": {
-    "target": "es2017",
-    "module": "commonjs",
-    "strict": true,
-    "noImplicitAny": false,
-    "moduleResolution": "node",
-    "experimentalDecorators": true,
-    "emitDecoratorMetadata": true,
-    "pretty": true,
-    "noUnusedLocals": true,
-    "noUnusedParameters": true,
-    "noFallthroughCasesInSwitch": true,
-    "skipLibCheck": true,
-    "skipDefaultLibCheck": true,
-    "inlineSourceMap": true,
-    "importHelpers": true
-  },
-}
\ No newline at end of file
+    "declaration": false,
+    "resolveJsonModule": true,
+    "baseUrl": ".",
+    "useUnknownInCatchVariables": false
+  }
+}
diff --git a/test/fixtures/test-files-c8-report-only/test/power-assert-fail.js b/test/fixtures/test-files-c8-report-only/test/power-assert-fail.js
deleted file mode 100644
index 6dfccb32..00000000
--- a/test/fixtures/test-files-c8-report-only/test/power-assert-fail.js
+++ /dev/null
@@ -1,9 +0,0 @@
-'use strict';
-
-const assert = require('power-assert');
-
-describe('power-assert-fail.js', () => {
-  it('should fail', () => {
-    assert(1 === 2);
-  });
-});
diff --git a/test/fixtures/test-files-c8/test/power-assert-fail.js b/test/fixtures/test-files-c8/test/power-assert-fail.js
deleted file mode 100644
index 6dfccb32..00000000
--- a/test/fixtures/test-files-c8/test/power-assert-fail.js
+++ /dev/null
@@ -1,9 +0,0 @@
-'use strict';
-
-const assert = require('power-assert');
-
-describe('power-assert-fail.js', () => {
-  it('should fail', () => {
-    assert(1 === 2);
-  });
-});
diff --git a/test/fixtures/test-files/test/power-assert-fail.js b/test/fixtures/test-files/test/power-assert-fail.js
deleted file mode 100644
index 6dfccb32..00000000
--- a/test/fixtures/test-files/test/power-assert-fail.js
+++ /dev/null
@@ -1,9 +0,0 @@
-'use strict';
-
-const assert = require('power-assert');
-
-describe('power-assert-fail.js', () => {
-  it('should fail', () => {
-    assert(1 === 2);
-  });
-});
diff --git a/test/lib/cmd/cov-c8-report.test.js b/test/lib/cmd/cov-c8-report.test.js
index da6ac65a..bfce8cf0 100644
--- a/test/lib/cmd/cov-c8-report.test.js
+++ b/test/lib/cmd/cov-c8-report.test.js
@@ -114,29 +114,6 @@ describe('test/lib/cmd/cov-c8-report.test.js', () => {
       .end();
   });
 
-  it('should fail when test fail with power-assert', () => {
-    mm(process.env, 'TESTS', 'test/power-assert-fail.js');
-    return coffee.fork(eggBin, [ 'cov', '--c8-report=true', '--espower=true' ], { cwd })
-      // .debug()
-      .expect('stdout', /1\) should fail/)
-      .expect('stdout', /1 failing/)
-      .expect('stdout', /assert\(1 === 2\)/)
-      .expect('code', 1)
-      .end();
-  });
-
-  it('should warn when require intelli-espower-loader', () => {
-    mm(process.env, 'TESTS', 'test/power-assert-fail.js');
-    return coffee.fork(eggBin, [ 'cov', '--c8-report=true', '-r', 'intelli-espower-loader' ], { cwd })
-      // .debug()
-      .expect('stderr', /manually require `intelli-espower-loader`/)
-      .expect('stdout', /1\) should fail/)
-      .expect('stdout', /1 failing/)
-      .expect('stdout', /assert\(1 === 2\)/)
-      .expect('code', 1)
-      .end();
-  });
-
   it('should run cov when no test files', () => {
     mm(process.env, 'TESTS', 'noexist.js');
     const cwd = path.join(__dirname, '../../fixtures/prerequire');
diff --git a/test/lib/cmd/cov.test.js b/test/lib/cmd/cov.test.js
index de9e5ac5..56662608 100644
--- a/test/lib/cmd/cov.test.js
+++ b/test/lib/cmd/cov.test.js
@@ -143,29 +143,6 @@ describe('test/lib/cmd/cov.test.js', () => {
       .end();
   });
 
-  it('should fail when test fail with power-assert', () => {
-    mm(process.env, 'TESTS', 'test/power-assert-fail.js');
-    return coffee.fork(eggBin, [ 'cov', '--espower=true' ], { cwd })
-      // .debug()
-      .expect('stdout', /1\) should fail/)
-      .expect('stdout', /1 failing/)
-      .expect('stdout', /assert\(1 === 2\)/)
-      .expect('code', 1)
-      .end();
-  });
-
-  it('should warn when require intelli-espower-loader', () => {
-    mm(process.env, 'TESTS', 'test/power-assert-fail.js');
-    return coffee.fork(eggBin, [ 'cov', '-r', 'intelli-espower-loader' ], { cwd })
-      // .debug()
-      .expect('stderr', /manually require `intelli-espower-loader`/)
-      .expect('stdout', /1\) should fail/)
-      .expect('stdout', /1 failing/)
-      .expect('stdout', /assert\(1 === 2\)/)
-      .expect('code', 1)
-      .end();
-  });
-
   it('should run cov when no test files', () => {
     mm(process.env, 'TESTS', 'noexist.js');
     const cwd = path.join(__dirname, '../../fixtures/prerequire');
diff --git a/test/lib/cmd/test.test.js b/test/lib/cmd/test.test.js
index 14580086..1275ce6f 100644
--- a/test/lib/cmd/test.test.js
+++ b/test/lib/cmd/test.test.js
@@ -107,18 +107,6 @@ describe('test/lib/cmd/test.test.js', () => {
       .end(done);
   });
 
-  it('should fail when test fail with power-assert', done => {
-    mm(process.env, 'TESTS', 'test/power-assert-fail.js');
-    coffee.fork(eggBin, [ 'test', '--espower=true' ], { cwd })
-    // .coverage(false)
-    // .debug()
-      .expect('stdout', /1\) should fail/)
-      .expect('stdout', /assert\(1 === 2\)/)
-      .expect('stdout', /1 failing/)
-      .expect('code', 1)
-      .end(done);
-  });
-
   it('should auto require test/.setup.js', () => {
     // example: https://github.com/lelandrichardson/enzyme-example-mocha
     mm(process.env, 'TESTS', 'test/Foo.test.js');
diff --git a/test/ts.test.js b/test/ts.test.js
index 884994b3..5a68f2c2 100644
--- a/test/ts.test.js
+++ b/test/ts.test.js
@@ -37,18 +37,13 @@ describe('test/ts.test.js', () => {
   });
 
   describe('real application', () => {
-    if (process.env.EGG_VERSION && process.env.EGG_VERSION === '1') {
-      console.log('skip egg@1');
-      return;
-    }
-
     before(() => {
       cwd = path.join(__dirname, './fixtures/example-ts');
     });
 
     it('should start app', () => {
       return coffee.fork(eggBin, [ 'dev', '--ts' ], { cwd })
-        // .debug()
+        .debug()
         .expect('stdout', /hi, egg, 12345/)
         .expect('stdout', /ts env: true/)
         .expect('stdout', /started/)
@@ -57,8 +52,8 @@ describe('test/ts.test.js', () => {
     });
 
     it('should test app', () => {
-      return coffee.fork(eggBin, [ 'test', '--ts' ], { cwd })
-        // .debug()
+      return coffee.fork(eggBin, [ 'test' ], { cwd })
+        .debug()
         .expect('stdout', /hi, egg, 123456/)
         .expect('stdout', /ts env: true/)
         .expect('stdout', /should work/)
@@ -67,16 +62,16 @@ describe('test/ts.test.js', () => {
     });
 
     it('should cov app', () => {
-      return coffee.fork(eggBin, [ 'cov', '--ts', '--espower=true' ], { cwd })
+      return coffee.fork(eggBin, [ 'cov' ], { cwd })
         .debug()
         .expect('stdout', /hi, egg, 123456/)
         .expect('stdout', /ts env: true/)
-        .expect('stdout', os.platform() === 'win32' ? /Coverage summary/ : /Statements.*100%/)
+        .expect('stdout', /should work/)
         .expect('code', 0)
         .end();
     });
 
-    it.skip('should cov app in cluster mod', () => {
+    it('should cov app in cluster mod', () => {
       // skip on darwin
       // https://github.com/eggjs/egg-bin/runs/6735190362?check_suite_focus=true
       // [agent_worker] receive disconnect event on child_process fork mode, exiting with code:110
@@ -342,11 +337,10 @@ describe('test/ts.test.js', () => {
     });
 
     it('should cov app', () => {
-      return coffee.fork(eggBin, [ 'cov', '--espower=true' ], { cwd })
+      return coffee.fork(eggBin, [ 'cov' ], { cwd })
         .debug()
         .expect('stdout', /hi, egg, 123456/)
         .expect('stdout', /ts env: true/)
-        .expect('stdout', process.env.NYC_ROOT_ID ? /Coverage summary/ : /Statements.*100%/)
         .expect('code', 0)
         .end();
     });