diff --git a/beike/Installer/Controllers/DatabaseController.php b/beike/Installer/Controllers/DatabaseController.php
index 71102f37..022b9b11 100644
--- a/beike/Installer/Controllers/DatabaseController.php
+++ b/beike/Installer/Controllers/DatabaseController.php
@@ -3,7 +3,7 @@
 namespace Beike\Installer\Controllers;
 
 use Illuminate\Routing\Controller;
-use RachidLaasri\LaravelInstaller\Helpers\DatabaseManager;
+use Beike\Installer\Helpers\DatabaseManager;
 
 class DatabaseController extends Controller
 {
diff --git a/beike/Installer/Controllers/EnvironmentController.php b/beike/Installer/Controllers/EnvironmentController.php
index 1e4f04c7..6b66d13f 100644
--- a/beike/Installer/Controllers/EnvironmentController.php
+++ b/beike/Installer/Controllers/EnvironmentController.php
@@ -7,8 +7,7 @@ use Illuminate\Http\Request;
 use Illuminate\Routing\Controller;
 use Illuminate\Routing\Redirector;
 use Illuminate\Support\Facades\DB;
-use RachidLaasri\LaravelInstaller\Events\EnvironmentSaved;
-use RachidLaasri\LaravelInstaller\Helpers\EnvironmentManager;
+use Beike\Installer\Helpers\EnvironmentManager;
 use Validator;
 
 class EnvironmentController extends Controller
@@ -64,8 +63,6 @@ class EnvironmentController extends Controller
 
         $results = $this->EnvironmentManager->saveFileWizard($request);
 
-        event(new EnvironmentSaved($request));
-
         return $redirect->route('installer.database')
                         ->with(['results' => $results]);
     }
diff --git a/beike/Installer/Controllers/FinalController.php b/beike/Installer/Controllers/FinalController.php
index f743ecd0..046a5d6d 100644
--- a/beike/Installer/Controllers/FinalController.php
+++ b/beike/Installer/Controllers/FinalController.php
@@ -4,18 +4,18 @@ namespace Beike\Installer\Controllers;
 
 use Illuminate\Routing\Controller;
 use RachidLaasri\LaravelInstaller\Events\LaravelInstallerFinished;
-use RachidLaasri\LaravelInstaller\Helpers\EnvironmentManager;
-use RachidLaasri\LaravelInstaller\Helpers\FinalInstallManager;
-use RachidLaasri\LaravelInstaller\Helpers\InstalledFileManager;
+use Beike\Installer\Helpers\EnvironmentManager;
+use Beike\Installer\Helpers\FinalInstallManager;
+use Beike\Installer\Helpers\InstalledFileManager;
 
 class FinalController extends Controller
 {
     /**
      * Update installed file and display finished view.
      *
-     * @param \RachidLaasri\LaravelInstaller\Helpers\InstalledFileManager $fileManager
-     * @param \RachidLaasri\LaravelInstaller\Helpers\FinalInstallManager $finalInstall
-     * @param \RachidLaasri\LaravelInstaller\Helpers\EnvironmentManager $environment
+     * @param \Beike\Installer\Helpers\InstalledFileManager $fileManager
+     * @param \Beike\Installer\Helpers\FinalInstallManager $finalInstall
+     * @param \Beike\Installer\Helpers\EnvironmentManager $environment
      * @return \Illuminate\Contracts\View\Factory|\Illuminate\View\View
      */
     public function index(InstalledFileManager $fileManager, FinalInstallManager $finalInstall, EnvironmentManager $environment)
diff --git a/beike/Installer/Controllers/PermissionsController.php b/beike/Installer/Controllers/PermissionsController.php
index fa0a2238..5c6bc1a2 100644
--- a/beike/Installer/Controllers/PermissionsController.php
+++ b/beike/Installer/Controllers/PermissionsController.php
@@ -3,7 +3,7 @@
 namespace Beike\Installer\Controllers;
 
 use Illuminate\Routing\Controller;
-use RachidLaasri\LaravelInstaller\Helpers\PermissionsChecker;
+use Beike\Installer\Helpers\PermissionsChecker;
 
 class PermissionsController extends Controller
 {
diff --git a/beike/Installer/Controllers/WelcomeController.php b/beike/Installer/Controllers/WelcomeController.php
index d263674b..00e5e56b 100644
--- a/beike/Installer/Controllers/WelcomeController.php
+++ b/beike/Installer/Controllers/WelcomeController.php
@@ -12,7 +12,6 @@
 namespace Beike\Installer\Controllers;
 
 use App\Http\Controllers\Controller;
-use Illuminate\Http\Request;
 
 class WelcomeController extends Controller
 {