تخزين بيانات

السلام عليكم لدي صفحة ادخال بيانات

لماذا عندما اخزن بيانات يظهر في  صف null  كل حقول 

صفحة ادخال بيانات 

@extends('layouts.master');
@section('title')
    ادخال بيانات
@endsection
@section('title_page1')
    الطلبة
@endsection
@section('title_page2')
    ادخال بيانات الطلبة
@endsection
@section('content')
    <style>
        label,
        button {
            margin-top: 1cm;
        }

        h5,
        button {
            margin-right: 1cm
        }

        label {
            text-align: right;
            display: inline-block;
            width: 140px;
        }
    </style>
    <form action="{{ route('/student/create') }}" class="form-inline" method="POST">
        @csrf
        @method('post')
        <h5>ادخال بيانات الطلبة </h5>
        <div class="row">
            <div class="col-sm-4 tight-gutter">
                <label>اسم الطالب </label>
                <input type="text" class="form-control" style="width: 100%;" placeholder=" اسم الطالب">
            </div>
            <div class="col-sm-4 tight-gutter">
                <label>رقم القيد</label>
                <input type="text" class="form-control" style="width: 100%;" placeholder="رقم القيد">
            </div>
            <div class="col-sm-4 tight-gutter">
                <label> البريد الالكتروني</label>
                <input type="email" class="form-control" style="width: 100%;" placeholder="البريد الالكتروني ">
            </div>
            <div class="col-sm-4 tight-gutter">
                <label> تاريخ الميلاد</label>
                <input type="date" class="form-control" style="width: 100%;">
            </div>
            <div class="col-sm-4 tight-gutter">
                <label> العنوان</label>
                <input type="text" class="form-control" style="width: 100%;" placeholder=" العنوان">
            </div>
            <div class="col-sm-4 tight-gutter">
                <label>رقم الهاتف</label>
                <input type="text" class="form-control" style="width: 100%;" placeholder="رقم الهاتف">
            </div>
        </div>
        <button type="submit" class="btn btn-primary">حفظ</button>
    </form>
@endsection
@section('scripts')
    <script src="https://code.jquery.com/jquery-3.2.1.slim.min.js"
        integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous">
    </script>
    <script src="https://cdn.jsdelivr.net/npm/popper.js@1.12.9/dist/umd/popper.min.js"
        integrity="sha384-ApNbgh9B+Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q" crossorigin="anonymous">
    </script>
    <script src="https://cdn.jsdelivr.net/npm/bootstrap@4.0.0/dist/js/bootstrap.min.js"
        integrity="sha384-JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5+76PVCmYl" crossorigin="anonymous">
    </script>
@endsection

<?php

namespace App\Http\Controllers;

use App\Models\student;
use Illuminate\Http\Request;

class StudentController extends Controller
{
    /**
     * Display a listing of the resource.
     */
    public function create()
    {
        return view('student.create');
    }
    public function store(Request $request)
    {
        $student = new student;
        $student->name_std = $request->input('name_std');
        $student->num_std = $request->input('num_std');
        $student->email_std = $request->input('email_std');
        $student->date_student = $request->input('date_student');
        $student->adress_std = $request->input('adress_std');
        $student->phone = $request->input('phone');
        $student->save();
        return redirect()->back()->with('success', 'تم حفظ البيانات بنجاح!');
    }
    public function index()
    {
        //

    }

    /**
     * Show the form for creating a new resource.
     */


    /**
     * Store a newly created resource in storage.
     */


    /**
     * Display the specified resource.
     */
    public function show($id)
    {
        //

    }

    /**
     * Show the form for editing the specified resource.
     */
    public function edit($id)
    {
        //

    }

    /**
     * Update the specified resource in storage.
     */
    public function update(Request $request, student $student, $id)
    {
        //

    }

    /**
     * Remove the specified resource from storage.
     */
    public function destroy(student $student, $id)
    {
        //

    }
}

<?php

use Illuminate\Support\Facades\Route;
use App\Http\Controllers\StudentController;
use Illuminate\Routing\Route as RoutingRoute;

Route::get('/student/create', [StudentController::class, 'create'])->name('/student/create');
Route::post('/student/create', [StudentController::class, 'store'])->name('/student/create');

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;

class student extends Model
{
    use HasFactory;
    protected $fillable = [
        'name_std',
        'num_std',
        'email_std',
        'date_student',
        'adress_std',
        'phone',
    ];
}