diff --git a/app/Http/Controllers/Auth/LoginController.php b/app/Http/Controllers/Auth/LoginController.php
index 335c79b..8636ae0 100644
--- a/app/Http/Controllers/Auth/LoginController.php
+++ b/app/Http/Controllers/Auth/LoginController.php
@@ -4,6 +4,7 @@
 
 use App\Http\Controllers\Controller;
 use Illuminate\Foundation\Auth\AuthenticatesUsers;
+use Illuminate\Foundation\Auth\ThrottlesLogins;
 use App\Http\Requests\LoginRequest;
 use Auth;
 
@@ -29,6 +30,8 @@ class LoginController extends Controller
      */
     protected $redirectTo = '/admin/year';
 
+    protected $maxLoginAttempts = 10;
+    protected $lockoutTime = 300;
     /**
      * Create a new controller instance.
      *
diff --git a/app/Http/Controllers/Auth/RegisterController.php b/app/Http/Controllers/Auth/RegisterController.php
index 8dd6ef6..d988492 100644
--- a/app/Http/Controllers/Auth/RegisterController.php
+++ b/app/Http/Controllers/Auth/RegisterController.php
@@ -62,14 +62,17 @@ public function register(Request $request)
             'txtPassword.min'        => 'Password must least 6 character',
             'txtRepassword.min'      => 'Repassword must least 6 character',
             'txtRepassword.required' => 'Please enter repassword',
-            'txtRepassword.same'     => 'Repassword don\'t match'
+            'txtRepassword.same'     => 'Repassword don\'t match',
+            'txtCaptcha.required'    => 'Please enter captcha',
+            'txtCaptcha.captcha'     => 'Captcha don\'t match',
         ];
 
         $this->validate($request, [
             'txtName'       => 'required|max:255',
             'txtEmail'      => 'required|max:255|unique:users,email',
             'txtPassword'   => 'required|min:6',
-            'txtRepassword' => 'required|min:6|same:txtPassword'
+            'txtRepassword' => 'required|min:6|same:txtPassword',
+            'txtCaptcha'    => 'required|captcha'
         ], $messages);
 
         $user = new User();
diff --git a/config/captcha.php b/config/captcha.php
new file mode 100644
index 0000000..3627a25
--- /dev/null
+++ b/config/captcha.php
@@ -0,0 +1,45 @@
+<?php
+
+return [
+
+    'characters' => '2346789abcdefghjmnpqrtuxyzABCDEFGHJMNPQRTUXYZ',
+
+    'default'   => [
+        'length'    => 5,
+        'width'     => 120,
+        'height'    => 36,
+        'quality'   => 90,
+    ],
+
+    'flat'   => [
+        'length'    => 6,
+        'width'     => 160,
+        'height'    => 46,
+        'quality'   => 90,
+        'lines'     => 6,
+        'bgImage'   => false,
+        'bgColor'   => '#ecf2f4',
+        'fontColors'=> ['#2c3e50', '#c0392b', '#16a085', '#c0392b', '#8e44ad', '#303f9f', '#f57c00', '#795548'],
+        'contrast'  => -5,
+    ],
+
+    'mini'   => [
+        'length'    => 3,
+        'width'     => 60,
+        'height'    => 32,
+    ],
+
+    'inverse'   => [
+        'length'    => 5,
+        'width'     => 120,
+        'height'    => 36,
+        'quality'   => 90,
+        'sensitive' => true,
+        'angle'     => 12,
+        'sharpen'   => 10,
+        'blur'      => 2,
+        'invert'    => true,
+        'contrast'  => -5,
+    ]
+
+];
diff --git a/resources/views/auth/register.blade.php b/resources/views/auth/register.blade.php
index 2cc53f2..1df0dea 100644
--- a/resources/views/auth/register.blade.php
+++ b/resources/views/auth/register.blade.php
@@ -50,6 +50,10 @@
                                 <input type="password" class="form-control" id="txtRepassword" name="txtRepassword" placeholder="Please enter repassword">
 
                             </div>
+                            <div class="form-group">
+                               {!! captcha_img() !!}
+                               <input type="text" class="form-control" id="txtCaptcha" name="txtCaptcha" placeholder="Please enter captcha">
+                            </div>
                             <div class="form-group">
                                 <div class="">
                                     <button type="submit" class="btn btn-success">Sign up</button>