支持 subject

app/Http/Controllers/InviteController.php

@@ -94,7 +94,10 @@ class InviteController extends Controller
 
         $uuid = Str::uuid();
         Mail::to($request->get('email'))
-            ->send(new InviteMail($uuid,$request->get('lang'),$request->get('dashboard')));
+            ->send(new InviteMail($uuid,
+                                $request->get('subject','sign up wikipali'),
+                                $request->get('lang'),
+                                $request->get('dashboard')));
         if(Mail::failures()){
             return $this->error('send email fail', '',200);
         }else{