diff --git a/packages/edam-cli/bin/__tests__/main.spec.test.js b/packages/edam-cli/bin/__tests__/main.test.js
similarity index 94%
rename from packages/edam-cli/bin/__tests__/main.spec.test.js
rename to packages/edam-cli/bin/__tests__/main.test.js
index 7e9d4a1..e510f08 100644
--- a/packages/edam-cli/bin/__tests__/main.spec.test.js
+++ b/packages/edam-cli/bin/__tests__/main.test.js
@@ -23,9 +23,9 @@ const exec = function(argString, { cwd = gCwd } = {}) {
 
 describe('main.spec', function() {
 
-  // beforeEach(function () {
-  //   rimraf.sync(join(__dirname, 'fixture/output'))
-  // })
+  beforeEach(function () {
+    rimraf.sync(join(__dirname, 'fixture/output'))
+  })
 
   it('should `--help` flag works', async () => {
     const sp = exec('--help')
diff --git a/packages/edam-cli/bin/__tests__/update-notifier.test.js b/packages/edam-cli/bin/__tests__/update-notifier.test.js
new file mode 100644
index 0000000..df32160
--- /dev/null
+++ b/packages/edam-cli/bin/__tests__/update-notifier.test.js
@@ -0,0 +1,26 @@
+/**
+ * @file update-notifier
+ * @author Cuttle Cong
+ * @date 2018/10/22
+ * @description
+ */
+const upt = require('update-notifier')
+
+describe('update-notifier', function() {
+  afterEach(() => {
+  })
+
+  it('should update-notifier', () => {
+    const notifier = upt({
+      pkg: { name: 'edam', version: '1.0.0' },
+      updateCheckInterval: 0
+    })
+
+    const old = process.stdout.isTTY
+    process.stdout.isTTY = true
+    notifier.notify({ defer: false })
+    process.stdout.isTTY = old
+
+    expect(notifier.update).not.toBeNull()
+  })
+})
diff --git a/packages/edam-cli/bin/edam.js b/packages/edam-cli/bin/edam.js
index 9cb2487..4aa41a1 100755
--- a/packages/edam-cli/bin/edam.js
+++ b/packages/edam-cli/bin/edam.js
@@ -187,6 +187,26 @@ ${generateFlagHelp(flags, '      ')}
     }
   )
 
+  if (config.updateNotify) {
+    const notifier = updateNotify({
+      pkg
+    })
+    const upt = notifier.update
+
+    if (upt) {
+      notifier.notify({
+        message:
+          'Update available ' +
+          c.dim(upt.current) +
+          c.reset(' → ') +
+          c.greenBright(upt.latest) +
+          ' \nRun ' +
+          c.cyanBright('npm install edam@latest -g') +
+          ' to update'
+      })
+    }
+  }
+
   const edam = require('edam').default
   const Edam = require('edam').Edam
   // default
@@ -304,23 +324,6 @@ ${generateFlagHelp(flags, '      ')}
       code = 1
     })
     .then(function() {
-      if (config.updateNotify) {
-        const notifier = updateNotify({ pkg })
-        const upt = updateNotify.update
-        if (upt) {
-          notifier.notify({
-            message:
-              'Update available ' +
-              c.dim(upt.current) +
-              c.reset(' → ') +
-              c.green(upt.latest) +
-              ' \nRun ' +
-              c.cyan('npm install edam@latest -g') +
-              ' to update'
-          })
-        }
-      }
-
       process.exit(code)
     })
 })()
diff --git a/packages/edam-cli/postInstall.js b/packages/edam-cli/postInstall.js
index db624c1..a942b5e 100644
--- a/packages/edam-cli/postInstall.js
+++ b/packages/edam-cli/postInstall.js
@@ -4,4 +4,4 @@
  * @date 2018/8/13
  * @description
  */
-console.log('\x1b[36m%s\x1b[0m\x1b[33m\x1b[1m%s\x1b[0m\x1b[36m%s\x1b[0m', '🎈 Thanks for using edam, We recommand ', '`npm install -g edam-completer`', ' to support completing automatically!')
+console.log('\x1b[36m%s\x1b[0m\x1b[33m\x1b[1m%s\x1b[0m\x1b[36m%s\x1b[0m', '🎈 Thanks for using edam, We recommend ', '`npm install -g edam-completer`', ' to support completing automatically!')
diff --git a/packages/edam/__mocks__/inquirer.js b/packages/edam/src/__mocks__/inquirer.js
similarity index 100%
rename from packages/edam/__mocks__/inquirer.js
rename to packages/edam/src/__mocks__/inquirer.js
diff --git a/packages/edam/__mocks__/readline.js b/packages/edam/src/__mocks__/readline.js
similarity index 100%
rename from packages/edam/__mocks__/readline.js
rename to packages/edam/src/__mocks__/readline.js
diff --git a/packages/edam/src/core/pull/npm.ts b/packages/edam/src/core/pull/npm.ts
index 79f7c86..ee924f3 100644
--- a/packages/edam/src/core/pull/npm.ts
+++ b/packages/edam/src/core/pull/npm.ts
@@ -17,6 +17,7 @@ const updateNotifier = require('update-notifier')
 const c = require('chalk')
 const debug = require('debug')('edam:pull:npm')
 const semver = require('semver')
+
 const yarnInstall = require('../../lib/yarnInstall')
 
 module.exports = async function npmPull(
@@ -47,7 +48,7 @@ module.exports = async function npmPull(
     } catch (err) {
       throw new EdamError(
         `Install package "${name}" failed. \n` +
-        (err && err.stack)
+        (err ? err.stack : '')
       )
     }
 
@@ -68,9 +69,9 @@ module.exports = async function npmPull(
             'Update available ' +
             chalk.dim(upt.current) +
             chalk.reset(' → ') +
-            chalk.green(upt.latest) +
+            chalk.greenBright(upt.latest) +
             ' \nRun ' +
-            chalk.cyan(`edam ${source.url}@latest ${output}`) +
+            chalk.cyanBright(`edam ${source.url}@latest -o ${output}`) +
             ' to update'
         })
       }
@@ -82,7 +83,7 @@ module.exports = async function npmPull(
     log(
       'Installed %s from NPM, and the actual version is %s.',
       c.magenta.bold(name),
-      c.green(installedVersion)
+      c.greenBright(installedVersion)
     )
   }