add

server/app/Http/Controllers/Api/V1/InteractionController.php

@@ -82,7 +82,7 @@ class InteractionController extends Controller
         $ok = InteractionInfo::create($data);
         if ($ok) {
             //        新的互动应该有消息通知《支持者》
-            $support_user = SupportDreamModel::where('dream_id',$dream_id)->get();
+            $support_user = SupportDreamModel::where('dream_id',$dream_id)->groupBy('user_id')->get();
             if (!empty(count($support_user))) {
                 $user_ids = array_column($support_user->toArray(),'user_id');
                 foreach ($user_ids as $user_id) {