1.打印客户端ua

@@ -6,6 +6,7 @@ use Illuminate\Foundation\Auth\Access\AuthorizesRequests;
 use Illuminate\Foundation\Bus\DispatchesJobs;
 use Illuminate\Foundation\Validation\ValidatesRequests;
 use Illuminate\Routing\Controller as BaseController;
+use Illuminate\Support\Facades\Log;
 
 class Controller extends BaseController
 {
@@ -30,6 +31,7 @@ class Controller extends BaseController
         }else if (strpos($ua, 'Android') || strpos($ua, 'android')){
             return 'android';
         }else{
+            Log::error("user-agent:".$ua);
             return 'unkown';
         }
     }