ok

app/Http/Middleware/CheckSign.php

@@ -18,6 +18,7 @@ class CheckSign
         $sign = $request->post('sign', '');
         $key = 'a!A&AFRWT65Nb3NlklezUiqHyQAA@Z8M';
         $params = $request->except('_url');
+        myLog('test')->info($params);
         if ($sign == _sign($params, $key)) {
             return $next($request);
         } else {