diff --git a/app/Http/Controllers/ItemController.php b/app/Http/Controllers/ItemController.php
index 8051802..52e8f6b 100644
--- a/app/Http/Controllers/ItemController.php
+++ b/app/Http/Controllers/ItemController.php
@@ -46,9 +46,10 @@ class ItemController extends Controller
     public function create($event, Request $request)
     {
         $eid = Event::where('slug','=',$event)->first()->eid;
+        $uid = Item::where('eid',$eid)->max('item_uid') + 1;
         $newitem = $request->except(['dataImage']);
         $newitem['eid'] = "".$eid;
-        $newitem['item_uid'] = "".rand(10, 100);
+        $newitem['item_uid'] = $uid;
         $newitem['wo'] = "";
         $item = Item::create($newitem);
         $dataImage = $request->get('dataImage');