code expire time

app/Http/Controllers/Wap/User/UserController.php

@@ -443,7 +443,7 @@ class UserController extends BaseController
     public function sendCode(Request $request){
         $phone = $request->post('phone');
         $code = random_int(1000,9999);
-        Redis::setex('code:'.$phone,'120',$code);
+        Redis::setex('code:'.$phone,120,$code);
         AliSMS::send($phone, 'paid_user_bind_phone', ['code'=>$code]);
         return response()->success();
     }