diff --git a/app/Http/Controllers/TopicsController.php b/app/Http/Controllers/TopicsController.php
new file mode 100644
index 000000000..f97eaafe4
--- /dev/null
+++ b/app/Http/Controllers/TopicsController.php
@@ -0,0 +1,60 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Models\Topic;
+use Illuminate\Http\Request;
+use App\Http\Controllers\Controller;
+use App\Http\Requests\TopicRequest;
+
+class TopicsController extends Controller
+{
+    public function __construct()
+    {
+        $this->middleware('auth', ['except' => ['index', 'show']]);
+    }
+
+	public function index()
+	{
+		$topics = Topic::paginate();
+		return view('topics.index', compact('topics'));
+	}
+
+    public function show(Topic $topic)
+    {
+        return view('topics.show', compact('topic'));
+    }
+
+	public function create(Topic $topic)
+	{
+		return view('topics.create_and_edit', compact('topic'));
+	}
+
+	public function store(TopicRequest $request)
+	{
+		$topic = Topic::create($request->all());
+		return redirect()->route('topics.show', $topic->id)->with('message', 'Created successfully.');
+	}
+
+	public function edit(Topic $topic)
+	{
+        $this->authorize('update', $topic);
+		return view('topics.create_and_edit', compact('topic'));
+	}
+
+	public function update(TopicRequest $request, Topic $topic)
+	{
+		$this->authorize('update', $topic);
+		$topic->update($request->all());
+
+		return redirect()->route('topics.show', $topic->id)->with('message', 'Updated successfully.');
+	}
+
+	public function destroy(Topic $topic)
+	{
+		$this->authorize('destroy', $topic);
+		$topic->delete();
+
+		return redirect()->route('topics.index')->with('message', 'Deleted successfully.');
+	}
+}
\ No newline at end of file
diff --git a/app/Http/Requests/Request.php b/app/Http/Requests/Request.php
new file mode 100644
index 000000000..a015f3d19
--- /dev/null
+++ b/app/Http/Requests/Request.php
@@ -0,0 +1,14 @@
+<?php
+
+namespace App\Http\Requests;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class Request extends FormRequest
+{
+    public function authorize()
+    {
+    	// Using policy for Authorization
+        return true;
+    }
+}
diff --git a/app/Http/Requests/TopicRequest.php b/app/Http/Requests/TopicRequest.php
new file mode 100644
index 000000000..47368546e
--- /dev/null
+++ b/app/Http/Requests/TopicRequest.php
@@ -0,0 +1,41 @@
+<?php
+
+namespace App\Http\Requests;
+
+class TopicRequest extends Request
+{
+    public function rules()
+    {
+        switch($this->method())
+        {
+            // CREATE
+            case 'POST':
+            {
+                return [
+                    // CREATE ROLES
+                ];
+            }
+            // UPDATE
+            case 'PUT':
+            case 'PATCH':
+            {
+                return [
+                    // UPDATE ROLES
+                ];
+            }
+            case 'GET':
+            case 'DELETE':
+            default:
+            {
+                return [];
+            }
+        }
+    }
+
+    public function messages()
+    {
+        return [
+            // Validation messages
+        ];
+    }
+}
diff --git a/app/Models/Model.php b/app/Models/Model.php
new file mode 100644
index 000000000..1a7eb5418
--- /dev/null
+++ b/app/Models/Model.php
@@ -0,0 +1,19 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model as EloquentModel;
+
+class Model extends EloquentModel
+{
+    public function scopeRecent($query)
+    {
+        return $query->orderBy('id', 'desc');
+    }
+
+    public function scopeOrdered($query)
+    {
+        return $query->orderBy('order', 'desc');
+    }
+
+}
diff --git a/app/Models/Topic.php b/app/Models/Topic.php
new file mode 100644
index 000000000..1a8890b0e
--- /dev/null
+++ b/app/Models/Topic.php
@@ -0,0 +1,8 @@
+<?php
+
+namespace App\Models;
+
+class Topic extends Model
+{
+    protected $fillable = ['title', 'body', 'user_id', 'category_id', 'reply_count', 'view_count', 'last_reply_user_id', 'order', 'excerpt', 'slug'];
+}
diff --git a/app/Observers/TopicObserver.php b/app/Observers/TopicObserver.php
new file mode 100644
index 000000000..c87642f4a
--- /dev/null
+++ b/app/Observers/TopicObserver.php
@@ -0,0 +1,21 @@
+<?php
+
+namespace App\Observers;
+
+use App\Models\Topic;
+
+// creating, created, updating, updated, saving,
+// saved,  deleting, deleted, restoring, restored
+
+class TopicObserver
+{
+    public function creating(Topic $topic)
+    {
+        //
+    }
+
+    public function updating(Topic $topic)
+    {
+        //
+    }
+}
\ No newline at end of file
diff --git a/app/Observers/UserObserver.php b/app/Observers/UserObserver.php
new file mode 100644
index 000000000..c3a296283
--- /dev/null
+++ b/app/Observers/UserObserver.php
@@ -0,0 +1,21 @@
+<?php
+
+namespace App\Observers;
+
+use App\Models\User;
+
+// creating, created, updating, updated, saving,
+// saved,  deleting, deleted, restoring, restored
+
+class UserObserver
+{
+    public function creating(User $user)
+    {
+        //
+    }
+
+    public function updating(User $user)
+    {
+        //
+    }
+}
\ No newline at end of file
diff --git a/app/Policies/Policy.php b/app/Policies/Policy.php
new file mode 100644
index 000000000..98a4a9c8b
--- /dev/null
+++ b/app/Policies/Policy.php
@@ -0,0 +1,22 @@
+<?php
+
+namespace App\Policies;
+
+use Illuminate\Auth\Access\HandlesAuthorization;
+
+class Policy
+{
+    use HandlesAuthorization;
+
+    public function __construct()
+    {
+        //
+    }
+
+    public function before($user, $ability)
+	{
+	    // if ($user->isSuperAdmin()) {
+	    // 		return true;
+	    // }
+	}
+}
diff --git a/app/Policies/TopicPolicy.php b/app/Policies/TopicPolicy.php
new file mode 100644
index 000000000..b67ba0efb
--- /dev/null
+++ b/app/Policies/TopicPolicy.php
@@ -0,0 +1,20 @@
+<?php
+
+namespace App\Policies;
+
+use App\Models\User;
+use App\Models\Topic;
+
+class TopicPolicy extends Policy
+{
+    public function update(User $user, Topic $topic)
+    {
+        // return $topic->user_id == $user->id;
+        return true;
+    }
+
+    public function destroy(User $user, Topic $topic)
+    {
+        return true;
+    }
+}
diff --git a/app/Providers/AppServiceProvider.php b/app/Providers/AppServiceProvider.php
index ee8ca5bcd..330b6b265 100644
--- a/app/Providers/AppServiceProvider.php
+++ b/app/Providers/AppServiceProvider.php
@@ -22,7 +22,10 @@ public function register()
      * @return void
      */
     public function boot()
-    {
+	{
+		\App\Models\User::observe(\App\Observers\UserObserver::class);
+		\App\Models\Topic::observe(\App\Observers\TopicObserver::class);
+
         //
     }
 }
diff --git a/app/Providers/AuthServiceProvider.php b/app/Providers/AuthServiceProvider.php
index 07b2d72ef..5a84ff44f 100644
--- a/app/Providers/AuthServiceProvider.php
+++ b/app/Providers/AuthServiceProvider.php
@@ -13,6 +13,7 @@ class AuthServiceProvider extends ServiceProvider
      * @var array
      */
     protected $policies = [
+		 \App\Models\Topic::class => \App\Policies\TopicPolicy::class,
         // 'App\Model' => 'App\Policies\ModelPolicy',
     ];
 
diff --git a/database/factories/TopicFactory.php b/database/factories/TopicFactory.php
new file mode 100644
index 000000000..25f3e9ac9
--- /dev/null
+++ b/database/factories/TopicFactory.php
@@ -0,0 +1,9 @@
+<?php
+
+use Faker\Generator as Faker;
+
+$factory->define(App\Models\Topic::class, function (Faker $faker) {
+    return [
+        // 'name' => $faker->name,
+    ];
+});
diff --git a/database/migrations/2019_09_20_065528_create_topics_table.php b/database/migrations/2019_09_20_065528_create_topics_table.php
new file mode 100644
index 000000000..eb8cd0b2b
--- /dev/null
+++ b/database/migrations/2019_09_20_065528_create_topics_table.php
@@ -0,0 +1,30 @@
+<?php
+
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class CreateTopicsTable extends Migration 
+{
+	public function up()
+	{
+		Schema::create('topics', function(Blueprint $table) {
+            $table->increments('id');
+            $table->string('title')->index();
+            $table->text('body');
+            $table->bigInteger('user_id')->unsigned()->index();
+            $table->integer('category_id')->unsigned()->index();
+            $table->integer('reply_count')->unsigned()->default(0);
+            $table->integer('view_count')->unsigned()->default(0);
+            $table->integer('last_reply_user_id')->unsigned()->default(0);
+            $table->integer('order')->unsigned()->default(0);
+            $table->text('excerpt')->nullable();
+            $table->string('slug')->nullable();
+            $table->timestamps();
+        });
+	}
+
+	public function down()
+	{
+		Schema::drop('topics');
+	}
+}
diff --git a/database/seeds/DatabaseSeeder.php b/database/seeds/DatabaseSeeder.php
index 91cb6d1c2..72257df86 100644
--- a/database/seeds/DatabaseSeeder.php
+++ b/database/seeds/DatabaseSeeder.php
@@ -12,5 +12,6 @@ class DatabaseSeeder extends Seeder
     public function run()
     {
         // $this->call(UsersTableSeeder::class);
+		$this->call(TopicsTableSeeder::class);
     }
 }
diff --git a/database/seeds/TopicsTableSeeder.php b/database/seeds/TopicsTableSeeder.php
new file mode 100644
index 000000000..e629dee11
--- /dev/null
+++ b/database/seeds/TopicsTableSeeder.php
@@ -0,0 +1,20 @@
+<?php
+
+use Illuminate\Database\Seeder;
+use App\Models\Topic;
+
+class TopicsTableSeeder extends Seeder
+{
+    public function run()
+    {
+        $topics = factory(Topic::class)->times(50)->make()->each(function ($topic, $index) {
+            if ($index == 0) {
+                // $topic->field = 'value';
+            }
+        });
+
+        Topic::insert($topics->toArray());
+    }
+
+}
+
diff --git a/resources/views/common/error.blade.php b/resources/views/common/error.blade.php
new file mode 100644
index 000000000..cbc937e42
--- /dev/null
+++ b/resources/views/common/error.blade.php
@@ -0,0 +1,10 @@
+@if (count($errors) > 0)
+  <div class="alert alert-danger">
+    <div class="mt-2"><b>有错误发生：</b></div>
+    <ul class="mt-2 mb-2">
+      @foreach ($errors->all() as $error)
+      <li><i class="glyphicon glyphicon-remove"></i> {{ $error }}</li>
+      @endforeach
+    </ul>
+  </div>
+@endif
diff --git a/resources/views/topics/create_and_edit.blade.php b/resources/views/topics/create_and_edit.blade.php
new file mode 100644
index 000000000..373483afb
--- /dev/null
+++ b/resources/views/topics/create_and_edit.blade.php
@@ -0,0 +1,84 @@
+@extends('layouts.app')
+
+@section('content')
+
+<div class="container">
+  <div class="col-md-10 offset-md-1">
+    <div class="card ">
+
+      <div class="card-header">
+        <h1>
+          Topic /
+          @if($topic->id)
+            Edit #{{ $topic->id }}
+          @else
+            Create
+          @endif
+        </h1>
+      </div>
+
+      <div class="card-body">
+        @if($topic->id)
+          <form action="{{ route('topics.update', $topic->id) }}" method="POST" accept-charset="UTF-8">
+          <input type="hidden" name="_method" value="PUT">
+        @else
+          <form action="{{ route('topics.store') }}" method="POST" accept-charset="UTF-8">
+        @endif
+
+          @include('common.error')
+
+          <input type="hidden" name="_token" value="{{ csrf_token() }}">
+
+          
+                <div class="form-group">
+                	<label for="title-field">Title</label>
+                	<input class="form-control" type="text" name="title" id="title-field" value="{{ old('title', $topic->title ) }}" />
+                </div> 
+                <div class="form-group">
+                	<label for="body-field">Body</label>
+                	<textarea name="body" id="body-field" class="form-control" rows="3">{{ old('body', $topic->body ) }}</textarea>
+                </div> 
+                <div class="form-group">
+                    <label for="user_id-field">User_id</label>
+                    <input class="form-control" type="text" name="user_id" id="user_id-field" value="{{ old('user_id', $topic->user_id ) }}" />
+                </div> 
+                <div class="form-group">
+                    <label for="category_id-field">Category_id</label>
+                    <input class="form-control" type="text" name="category_id" id="category_id-field" value="{{ old('category_id', $topic->category_id ) }}" />
+                </div> 
+                <div class="form-group">
+                    <label for="reply_count-field">Reply_count</label>
+                    <input class="form-control" type="text" name="reply_count" id="reply_count-field" value="{{ old('reply_count', $topic->reply_count ) }}" />
+                </div> 
+                <div class="form-group">
+                    <label for="view_count-field">View_count</label>
+                    <input class="form-control" type="text" name="view_count" id="view_count-field" value="{{ old('view_count', $topic->view_count ) }}" />
+                </div> 
+                <div class="form-group">
+                    <label for="last_reply_user_id-field">Last_reply_user_id</label>
+                    <input class="form-control" type="text" name="last_reply_user_id" id="last_reply_user_id-field" value="{{ old('last_reply_user_id', $topic->last_reply_user_id ) }}" />
+                </div> 
+                <div class="form-group">
+                    <label for="order-field">Order</label>
+                    <input class="form-control" type="text" name="order" id="order-field" value="{{ old('order', $topic->order ) }}" />
+                </div> 
+                <div class="form-group">
+                	<label for="excerpt-field">Excerpt</label>
+                	<textarea name="excerpt" id="excerpt-field" class="form-control" rows="3">{{ old('excerpt', $topic->excerpt ) }}</textarea>
+                </div> 
+                <div class="form-group">
+                	<label for="slug-field">Slug</label>
+                	<input class="form-control" type="text" name="slug" id="slug-field" value="{{ old('slug', $topic->slug ) }}" />
+                </div>
+
+          <div class="well well-sm">
+            <button type="submit" class="btn btn-primary">Save</button>
+            <a class="btn btn-link float-xs-right" href="{{ route('topics.index') }}"> <- Back</a>
+          </div>
+        </form>
+      </div>
+    </div>
+  </div>
+</div>
+
+@endsection
diff --git a/resources/views/topics/index.blade.php b/resources/views/topics/index.blade.php
new file mode 100644
index 000000000..cb9690632
--- /dev/null
+++ b/resources/views/topics/index.blade.php
@@ -0,0 +1,61 @@
+@extends('layouts.app')
+
+@section('content')
+<div class="container">
+  <div class="col-md-10 offset-md-1">
+    <div class="card ">
+      <div class="card-header">
+        <h1>
+          Topic
+          <a class="btn btn-success float-xs-right" href="{{ route('topics.create') }}">Create</a>
+        </h1>
+      </div>
+
+      <div class="card-body">
+        @if($topics->count())
+          <table class="table table-sm table-striped">
+            <thead>
+              <tr>
+                <th class="text-xs-center">#</th>
+                <th>Title</th> <th>Body</th> <th>User_id</th> <th>Category_id</th> <th>Reply_count</th> <th>View_count</th> <th>Last_reply_user_id</th> <th>Order</th> <th>Excerpt</th> <th>Slug</th>
+                <th class="text-xs-right">OPTIONS</th>
+              </tr>
+            </thead>
+
+            <tbody>
+              @foreach($topics as $topic)
+              <tr>
+                <td class="text-xs-center"><strong>{{$topic->id}}</strong></td>
+
+                <td>{{$topic->title}}</td> <td>{{$topic->body}}</td> <td>{{$topic->user_id}}</td> <td>{{$topic->category_id}}</td> <td>{{$topic->reply_count}}</td> <td>{{$topic->view_count}}</td> <td>{{$topic->last_reply_user_id}}</td> <td>{{$topic->order}}</td> <td>{{$topic->excerpt}}</td> <td>{{$topic->slug}}</td>
+
+                <td class="text-xs-right">
+                  <a class="btn btn-sm btn-primary" href="{{ route('topics.show', $topic->id) }}">
+                    V
+                  </a>
+
+                  <a class="btn btn-sm btn-warning" href="{{ route('topics.edit', $topic->id) }}">
+                    E
+                  </a>
+
+                  <form action="{{ route('topics.destroy', $topic->id) }}" method="POST" style="display: inline;" onsubmit="return confirm('Delete? Are you sure?');">
+                    {{csrf_field()}}
+                    <input type="hidden" name="_method" value="DELETE">
+
+                    <button type="submit" class="btn btn-sm btn-danger">D </button>
+                  </form>
+                </td>
+              </tr>
+              @endforeach
+            </tbody>
+          </table>
+          {!! $topics->render() !!}
+        @else
+          <h3 class="text-xs-center alert alert-info">Empty!</h3>
+        @endif
+      </div>
+    </div>
+  </div>
+</div>
+
+@endsection
diff --git a/resources/views/topics/show.blade.php b/resources/views/topics/show.blade.php
new file mode 100644
index 000000000..425e48a3d
--- /dev/null
+++ b/resources/views/topics/show.blade.php
@@ -0,0 +1,63 @@
+@extends('layouts.app')
+
+@section('content')
+
+<div class="container">
+  <div class="col-md-10 offset-md-1">
+    <div class="card ">
+      <div class="card-header">
+        <h1>Topic / Show #{{ $topic->id }}</h1>
+      </div>
+
+      <div class="card-body">
+        <div class="card-block bg-light">
+          <div class="row">
+            <div class="col-md-6">
+              <a class="btn btn-link" href="{{ route('topics.index') }}"><- Back</a>
+            </div>
+            <div class="col-md-6">
+              <a class="btn btn-sm btn-warning float-right mt-1" href="{{ route('topics.edit', $topic->id) }}">
+                Edit
+              </a>
+            </div>
+          </div>
+        </div>
+        <br>
+
+        <label>Title</label>
+<p>
+	{{ $topic->title }}
+</p> <label>Body</label>
+<p>
+	{{ $topic->body }}
+</p> <label>User_id</label>
+<p>
+	{{ $topic->user_id }}
+</p> <label>Category_id</label>
+<p>
+	{{ $topic->category_id }}
+</p> <label>Reply_count</label>
+<p>
+	{{ $topic->reply_count }}
+</p> <label>View_count</label>
+<p>
+	{{ $topic->view_count }}
+</p> <label>Last_reply_user_id</label>
+<p>
+	{{ $topic->last_reply_user_id }}
+</p> <label>Order</label>
+<p>
+	{{ $topic->order }}
+</p> <label>Excerpt</label>
+<p>
+	{{ $topic->excerpt }}
+</p> <label>Slug</label>
+<p>
+	{{ $topic->slug }}
+</p>
+      </div>
+    </div>
+  </div>
+</div>
+
+@endsection
diff --git a/routes/web.php b/routes/web.php
index c46483bcd..f944e4e6e 100644
--- a/routes/web.php
+++ b/routes/web.php
@@ -23,3 +23,5 @@
 Route::post('email/resend', 'Auth\VerificationController@resend')->name('verification.resend');
 
 Route::resource('users', 'UsersController', ['only' => ['show', 'update', 'edit']]);
+
+Route::resource('topics', 'TopicsController', ['only' => ['index', 'show', 'create', 'store', 'update', 'edit', 'destroy']]);
\ No newline at end of file