error

<form id="form" class="form-horizontal form-bordered" method="POST" action="{{ $user->uuid ? route('user.edit', ['uuid' => $user->uuid]) : route('user.store') }}">

controller :
public function edit(Request $request){
        $messages = [
            'name.required'     => 'Nama dibutuhkan',
            'email.required'    => 'Email dibutuhkan'
        ];
        $this->validate($request, [
            'name'     => 'required',
            'email'    => 'required'
        ], $messages);


        User::where('uuid',$request->uuid)
        ->update($request->except(['_method', '_token', 'avatar', 'idCard']));

        return redirect()
            ->route('user' ,$request->uuid);
    }

route :
Route::group(['prefix' => 'user'], function () {
    Route::get('/', 'UserController@index')->name('user');
    Route::get('/detail', 'UserController@show')->name('user.show');
    Route::patch('/ubah', 'UserController@edit')->name('user.edit');
    Route::patch('/update', 'UserController@update')->name('user.update');
});