add

app/admin/lang/en/dashboard.php

@@ -0,0 +1,4 @@
+<?php
+return [
+    'Remark lang' => "Open source equals mutual assistance, and needs everyone's support. There are many ways to support it, such as using, recommending, writing tutorials, protecting the ecology, contributing code, answering questions, sharing experiences, donation, sponsorship and so on. Welcome to join us!",
+];