first upload all files

app/Http/Middleware/RunUpdater.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace FleetCart\Http\Middleware;
+
+use Closure;
+use FleetCart\Updater;
+
+class RunUpdater
+{
+    /**
+     * Handle an incoming request.
+     *
+     * @param \Illuminate\Http\Request $request
+     * @param \Closure $next
+     * @return mixed
+     */
+    public function handle($request, Closure $next)
+    {
+        if (config('app.installed') && file_exists(storage_path('app/update'))) {
+            Updater::run();
+        }
+
+        return $next($request);
+    }
+}