Trying to get property 'account_status' of non-object

I am getting an error Trying to get property 'account_status' of non-object. How will i fixed it. Actually I was trying to do that if account_status == 1 then i can able to login otherwise not.

public function login(Request $request){ 
        $account_status=Auth::user()->account_status;
        if($account_status == 1){
        if(Auth::attempt(['email' => request('email'), 'password' => request('password')])){ 
            $user = Auth::user(); 
            $success['token'] =  $user->createToken('MyApp')-> accessToken; 
            return response()->json(['success' => $success], $this-> successStatus); 
        } 
        else if(Auth::attempt(['phone' => request('phone'), 'password' => request('password')])){
            $user = Auth::user(); 
            $success['token'] =  $user->createToken('MyApp')-> accessToken; 
            return response()->json(['success' => $success], $this-> successStatus);
        }
        else{ 
            return response()->json(['error'=>'Unauthorised'], 401); 
        } }
    }

please help me out to solve this problem. I will be very grateful to you Thank you

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