修改用户注册时，同承运商之间的关联

app/Http/Controllers/Auth/RegisterController.php

@@ -99,7 +99,7 @@ class RegisterController extends Controller
             $user->suppliers()->sync($supplierIdArr);
         }
 //        $this->guard()->login($user);
-        $carrierIds=$request->input('carrier')??'';
+        $carrierIds=$request->input('logistic')??'';
         if ($carrierIds){
             $carrierIds=explode(',',$carrierIds);
             $user->logistics()->sync($carrierIds);