diff --git a/.github/PULL_REQUEST_TEMPLATE.md b/.github/PULL_REQUEST_TEMPLATE.md
new file mode 100644
index 00000000..48f9944f
--- /dev/null
+++ b/.github/PULL_REQUEST_TEMPLATE.md
@@ -0,0 +1,24 @@
+<!--
+Thank you for your pull request. Please review below requirements.
+Bug fixes and new features should include tests and possibly benchmarks.
+Contributors guide: https://github.com/eggjs/egg/blob/master/CONTRIBUTING.md
+
+感谢您贡献代码。请确认下列 checklist 的完成情况。
+Bug 修复和新功能必须包含测试，必要时请附上性能测试。
+Contributors guide: https://github.com/eggjs/egg/blob/master/CONTRIBUTING.md
+-->
+
+##### Checklist
+<!-- Remove items that do not apply. For completed items, change [ ] to [x]. -->
+
+- [ ] `npm test` passes
+- [ ] tests and/or benchmarks are included
+- [ ] documentation is changed or added
+- [ ] commit message follows commit guidelines
+
+##### Affected core subsystem(s)
+<!-- Provide affected core subsystem(s). -->
+
+
+##### Description of change
+<!-- Provide a description of the change below this comment. -->
diff --git a/index.js b/index.js
index e001a103..823373bb 100644
--- a/index.js
+++ b/index.js
@@ -10,12 +10,6 @@ class EggBin extends Command {
 
     // load directory
     this.load(path.join(__dirname, 'lib/cmd'));
-
-    /* istanbul ignore if */
-    if (process.platform === 'win32') {
-      console.warn('`cov` is replaced with `test` at windows');
-      this.alias('cov', 'test');
-    }
   }
 }
 
diff --git a/lib/cmd/cov.js b/lib/cmd/cov.js
index 72612788..9894773c 100644
--- a/lib/cmd/cov.js
+++ b/lib/cmd/cov.js
@@ -35,6 +35,12 @@ class CovCommand extends Command {
   }
 
   * run(context) {
+    /* istanbul ignore if */
+    if (process.platform === 'win32') {
+      console.warn('`cov` is replaced with `test` at windows');
+      return yield super.run(context);
+    }
+
     const { cwd, argv, execArgv } = context;
     const tmpDir = path.join(cwd, '.tmp');
     yield mkdirp(tmpDir);
diff --git a/package.json b/package.json
index 4d643ffb..5e2f125e 100644
--- a/package.json
+++ b/package.json
@@ -10,28 +10,28 @@
   "dependencies": {
     "change-case": "^3.0.1",
     "co-mocha": "^1.2.0",
-    "common-bin": "^2.2.0",
-    "debug": "^2.6.3",
+    "common-bin": "^2.3.0",
+    "debug": "^2.6.4",
     "detect-port": "^1.1.1",
     "egg-utils": "^2.1.0",
     "globby": "^6.1.0",
     "intelli-espower-loader": "^1.0.1",
     "istanbul": "^1.1.0-alpha.1",
-    "mocha": "^3.2.0",
+    "mocha": "^3.3.0",
     "mz-modules": "^1.0.0",
     "power-assert": "^1.4.2",
-    "ypkgfiles": "^1.3.1"
+    "ypkgfiles": "^1.4.0"
   },
   "devDependencies": {
-    "autod": "^2.7.1",
+    "autod": "^2.8.0",
     "babel": "^6.3.26",
     "babel-preset-airbnb": "^1.0.1",
     "babel-register": "^6.4.3",
     "coffee": "^3.3.0",
     "cross-env": "^3.1.3",
-    "egg-ci": "^1.5.0",
+    "egg-ci": "^1.6.0",
     "enzyme": "^2.0.0",
-    "eslint": "^3.18.0",
+    "eslint": "^3.19.0",
     "eslint-config-egg": "^3.2.0",
     "jsdom": "^8.0.1",
     "mm": "^2.1.0",
diff --git a/test/lib/cmd/pkgfiles.test.js b/test/lib/cmd/pkgfiles.test.js
index 993e9216..72e178f0 100644
--- a/test/lib/cmd/pkgfiles.test.js
+++ b/test/lib/cmd/pkgfiles.test.js
@@ -33,7 +33,7 @@ describe('test/lib/cmd/pkgfiles.test.js', () => {
     yield fs.writeFile(path.join(cwd, 'package.json'), '{}');
 
     yield coffee.fork(eggBin, [ 'pkgfiles', '--check' ], { cwd })
-      .debug()
+      // .debug()
       .expect('stderr', /pkg.files should equal to \[ app, config, app.js ], but got \[ {2}]/)
       .expect('code', 1)
       .end();