diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..efe193d
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,6 @@
+{
+  "name": "laravel-blog",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {}
+}
diff --git a/routes/web.php b/routes/web.php
index 1aeed1b..4b53432 100644
--- a/routes/web.php
+++ b/routes/web.php
@@ -1,8 +1,48 @@
 <?php
 
 use App\Http\Controllers\AboutController;
+use App\Http\Controllers\Admin\Category\CreateController as AdminCategoryCreateController;
+use App\Http\Controllers\Admin\Category\DeleteController as AdminCategoryDeleteController;
+use App\Http\Controllers\Admin\Category\EditController as AdminCategoryEditController;
+use App\Http\Controllers\Admin\Category\IndexController as AdminCategoryIndexController;
+use App\Http\Controllers\Admin\Category\ShowController as AdminCategoryShowController;
+use App\Http\Controllers\Admin\Category\StoreController as AdminCategoryStoreController;
+use App\Http\Controllers\Admin\Category\UpdateController as AdminCategoryUpdateController;
+use App\Http\Controllers\Admin\Main\IndexController as AdminMainIndexController;
+use App\Http\Controllers\Admin\Post\CreateController as AdminPostCreateController;
+use App\Http\Controllers\Admin\Post\DeleteController as AdminPostDeleteController;
+use App\Http\Controllers\Admin\Post\EditController as AdminPostEditController;
+use App\Http\Controllers\Admin\Post\IndexController as AdminPostIndexController;
+use App\Http\Controllers\Admin\Post\ShowController as AdminPostShowController;
+use App\Http\Controllers\Admin\Post\StoreController as AdminPostStoreController;
+use App\Http\Controllers\Admin\Post\UpdateController as AdminPostUpdateController;
+use App\Http\Controllers\Admin\Tag\CreateController as AdminTagCreateController;
+use App\Http\Controllers\Admin\Tag\DeleteController as AdminTagDeleteController;
+use App\Http\Controllers\Admin\Tag\EditController as AdminTagEditController;
+use App\Http\Controllers\Admin\Tag\IndexController as AdminTagIndexController;
+use App\Http\Controllers\Admin\Tag\ShowController as AdminTagShowController;
+use App\Http\Controllers\Admin\Tag\StoreController as AdminTagStoreController;
+use App\Http\Controllers\Admin\Tag\UpdateController as AdminTagUpdateController;
+use App\Http\Controllers\Admin\User\CreateController as AdminUserCreateController;
+use App\Http\Controllers\Admin\User\DeleteController as AdminUserDeleteController;
+use App\Http\Controllers\Admin\User\EditController as AdminUserEditController;
+use App\Http\Controllers\Admin\User\IndexController as AdminUserIndexController;
+use App\Http\Controllers\Admin\User\ShowController as AdminUserShowController;
+use App\Http\Controllers\Admin\User\StoreController as AdminUserStoreController;
+use App\Http\Controllers\Admin\User\UpdateController as AdminUserUpdateController;
+use App\Http\Controllers\Category\IndexController as CategoryIndexController;
+use App\Http\Controllers\Category\Post\IndexController as CategoryPostIndexController;
 use App\Http\Controllers\ContactsController;
+use App\Http\Controllers\Personal\Comment\DeleteController as PersonalCommentDeleteController;
+use App\Http\Controllers\Personal\Comment\EditController as PersonalCommentEditController;
+use App\Http\Controllers\Personal\Comment\IndexController as PersonalCommentIndexController;
+use App\Http\Controllers\Personal\Comment\UpdateController as PersonalCommentUpdateController;
+use App\Http\Controllers\Personal\Liked\DeleteController as PersonalLikedDeleteController;
+use App\Http\Controllers\Personal\Liked\IndexController as PersonalLikedIndexController;
+use App\Http\Controllers\Personal\Main\IndexController as PersonalMainIndexController;
 use App\Http\Controllers\PlaceholderController;
+use App\Http\Controllers\Post\Comment\StoreController as PostCommentStoreController;
+use App\Http\Controllers\Post\Like\StoreController as PostLikeStoreController;
 use App\Http\Controllers\PostController;
 use Illuminate\Support\Facades\Auth;
 use Illuminate\Support\Facades\Route;
@@ -37,79 +77,78 @@
         ->name('about.index');
 });
 
-// TODO Use `use` instead of `namespace`
-Route::prefix('category')->namespace('App\Http\Controllers\Category')->group(function () {
-    Route::get('/', 'IndexController')->name('category.index');
-    Route::prefix('{category}/posts')->namespace('Post')->group(function () {
-        Route::get('/', 'IndexController')->name('category.post.index');
+Route::prefix('category')->group(function () {
+    Route::get('/', CategoryIndexController::class)->name('category.index');
+    Route::prefix('{category}/posts')->group(function () {
+        Route::get('/', CategoryPostIndexController::class)->name('category.post.index');
     });
 });
 
-Route::prefix('post')->namespace('')->group(function () {
+Route::prefix('post')->group(function () {
     Route::get('/{post}', [PostController::class, 'show'])->name('post.show');
 
-    Route::prefix('{post}/comments')->middleware('auth')->group(function () {
-        Route::post('/', 'App\Http\Controllers\Post\Comment\StoreController')->name('post.comments.store');
+    Route::prefix('{post}/comments')->group(function () {
+        Route::post('/', PostCommentStoreController::class)->name('post.comments.store');
     });
-    Route::prefix('{post}/likes')->middleware('auth')->group(function () {
-        Route::post('/', 'App\Http\Controllers\Post\Like\StoreController')->name('post.likes.store');
+    Route::prefix('{post}/likes')->group(function () {
+        Route::post('/', PostLikeStoreController::class)->name('post.likes.store');
     });
 });
 
-Route::prefix('personal')->namespace('')->middleware(['auth'])->group(function () {
-    Route::get('/', 'App\Http\Controllers\Personal\Main\IndexController')->name('personal.main.index');
+Route::prefix('personal')->middleware(['auth'])->group(function () {
+    Route::get('/', PersonalMainIndexController::class)->name('personal.main.index');
 
 
     Route::prefix('liked')->group(function () {
-        Route::get('/', 'App\Http\Controllers\Personal\Liked\IndexController')->name('personal.liked.index');
-        Route::delete('/{post}', 'App\Http\Controllers\Personal\Liked\DeleteController')->name('personal.liked.delete');
+        Route::get('/', PersonalLikedIndexController::class)->name('personal.liked.index');
+        Route::delete('/{post}', PersonalLikedDeleteController::class)->name('personal.liked.delete');
     });
     Route::prefix('comment')->group(function () {
-        Route::get('/', 'App\Http\Controllers\Personal\Comment\IndexController')->name('personal.comment.index');
-        Route::delete('/{comment}', 'App\Http\Controllers\Personal\Comment\DeleteController')->name('personal.comment.delete');
-        Route::patch('/{comment}', 'App\Http\Controllers\Personal\Comment\UpdateController')->name('personal.comment.update');
-        Route::get('/{comment}', 'App\Http\Controllers\Personal\Comment\EditController')->name('personal.comment.edit');
+        Route::get('/', PersonalCommentIndexController::class)->name('personal.comment.index');
+        Route::delete('/{comment}', PersonalCommentDeleteController::class)->name('personal.comment.delete');
+        Route::patch('/{comment}', PersonalCommentUpdateController::class)->name('personal.comment.update');
+        Route::get('/{comment}', PersonalCommentEditController::class)->name('personal.comment.edit');
     });
 });
 
-Route::prefix('admin')->namespace('App\Http\Controllers\Admin')->middleware(['auth', 'admin'])->group(function () {
-    Route::prefix('main')->namespace('Main')->group(function () {
-        Route::get('/', 'IndexController')->name('admin.main.index');
+Route::prefix('admin')->middleware(['auth', 'admin'])->group(function () {
+    Route::prefix('main')->group(function () {
+        Route::get('/', AdminMainIndexController::class)->name('admin.main.index');
     });
-    Route::prefix('category')->namespace('Category')->group(function () {
-        Route::get('/', 'IndexController')->name('admin.category.index');
-        Route::get('/create', 'CreateController')->name('admin.category.create');
-        Route::post('/', 'StoreController')->name('admin.category.store');
-        Route::get('/{category}', 'ShowController')->name('admin.category.show');
-        Route::get('/{category}/edit', 'EditController')->name('admin.category.edit');
-        Route::patch('/{category}', 'UpdateController')->name('admin.category.update');
-        Route::delete('/{category}', 'DeleteController')->name('admin.category.delete');
+    Route::prefix('category')->group(function () {
+        Route::get('/', AdminCategoryIndexController::class)->name('admin.category.index');
+        Route::get('/create', AdminCategoryCreateController::class)->name('admin.category.create');
+        Route::post('/', AdminCategoryStoreController::class)->name('admin.category.store');
+        Route::get('/{category}', AdminCategoryShowController::class)->name('admin.category.show');
+        Route::get('/{category}/edit', AdminCategoryEditController::class)->name('admin.category.edit');
+        Route::patch('/{category}', AdminCategoryUpdateController::class)->name('admin.category.update');
+        Route::delete('/{category}', AdminCategoryDeleteController::class)->name('admin.category.delete');
     });
-    Route::prefix('tag')->namespace('Tag')->group(function () {
-        Route::get('/', 'IndexController')->name('admin.tag.index');
-        Route::get('/create', 'CreateController')->name('admin.tag.create');
-        Route::post('/', 'StoreController')->name('admin.tag.store');
-        Route::get('/{tag}', 'ShowController')->name('admin.tag.show');
-        Route::get('/{tag}/edit', 'EditController')->name('admin.tag.edit');
-        Route::patch('/{tag}', 'UpdateController')->name('admin.tag.update');
-        Route::delete('/{tag}', 'DeleteController')->name('admin.tag.delete');
+    Route::prefix('tag')->group(function () {
+        Route::get('/', AdminTagIndexController::class)->name('admin.tag.index');
+        Route::get('/create', AdminTagCreateController::class)->name('admin.tag.create');
+        Route::post('/', AdminTagStoreController::class)->name('admin.tag.store');
+        Route::get('/{tag}', AdminTagShowController::class)->name('admin.tag.show');
+        Route::get('/{tag}/edit', AdminTagEditController::class)->name('admin.tag.edit');
+        Route::patch('/{tag}', AdminTagUpdateController::class)->name('admin.tag.update');
+        Route::delete('/{tag}', AdminTagDeleteController::class)->name('admin.tag.delete');
     });
-    Route::prefix('post')->namespace('Post')->group(function () {
-        Route::get('/', 'IndexController')->name('admin.post.index');
-        Route::get('/create', 'CreateController')->name('admin.post.create');
-        Route::post('/', 'StoreController')->name('admin.post.store');
-        Route::get('/{post}', 'ShowController')->name('admin.post.show');
-        Route::get('/{post}/edit', 'EditController')->name('admin.post.edit');
-        Route::patch('/{post}', 'UpdateController')->name('admin.post.update');
-        Route::delete('/{post}', 'DeleteController')->name('admin.post.delete');
+    Route::prefix('post')->group(function () {
+        Route::get('/', AdminPostIndexController::class)->name('admin.post.index');
+        Route::get('/create', AdminPostCreateController::class)->name('admin.post.create');
+        Route::post('/', AdminPostStoreController::class)->name('admin.post.store');
+        Route::get('/{post}', AdminPostShowController::class)->name('admin.post.show');
+        Route::get('/{post}/edit', AdminPostEditController::class)->name('admin.post.edit');
+        Route::patch('/{post}', AdminPostUpdateController::class)->name('admin.post.update');
+        Route::delete('/{post}', AdminPostDeleteController::class)->name('admin.post.delete');
     });
-    Route::prefix('user')->namespace('User')->group(function () {
-        Route::get('/', 'IndexController')->name('admin.user.index');
-        Route::get('/create', 'CreateController')->name('admin.user.create');
-        Route::post('/', 'StoreController')->name('admin.user.store');
-        Route::get('/{user}', 'ShowController')->name('admin.user.show');
-        Route::get('/{user}/edit', 'EditController')->name('admin.user.edit');
-        Route::patch('/{user}', 'UpdateController')->name('admin.user.update');
-        Route::delete('/{user}', 'DeleteController')->name('admin.user.delete');
+    Route::prefix('user')->group(function () {
+        Route::get('/', AdminUserIndexController::class)->name('admin.user.index');
+        Route::get('/create', AdminUserCreateController::class)->name('admin.user.create');
+        Route::post('/', AdminUserStoreController::class)->name('admin.user.store');
+        Route::get('/{user}', AdminUserShowController::class)->name('admin.user.show');
+        Route::get('/{user}/edit', AdminUserEditController::class)->name('admin.user.edit');
+        Route::patch('/{user}', AdminUserUpdateController::class)->name('admin.user.update');
+        Route::delete('/{user}', AdminUserDeleteController::class)->name('admin.user.delete');
     });
 });