change

app/Console/Commands/Push/PushTagBind.php

@@ -49,7 +49,7 @@ class PushTagBind extends Command
 
             $groupUsers = collect($users)->groupBy('app_id')->all();
             foreach($groupUsers as $appId => $userList) {
-                $regIds = array_column($userList, 'reg_id');
+                $regIds = collect($userList)->pluck('reg_id')->all();
                 var_dump($appId, $regIds);
             }