fix-修复需求站内信用户发送错误

app/Services/Notification/ActionBrowser/RequirementNotification.php

@@ -8,6 +8,6 @@ class RequirementNotification extends ActionBrowserNotificationAbstract
 {
     protected function userIDs(): array
     {
-        return $this->object->mailto > 0 ? [$this->object->mailto ] :[];
+        return $this->object->mailto > 0 ? $this->object->mailto :[];
     }
 }