ok

app/Http/Middleware/CheckSign.php

@@ -20,6 +20,8 @@ class CheckSign
         $timestamp = $request->post('timestamp', 0);
         $key = 'a!A&AFRWT65Nb3NlklezUiqHyQAA@Z8M';
         $params = $request->except('_url');
+        myLog('test')->info($params);
+        myLog('test')->info(_sign($params, $key));
         if ($timestamp && time() - $timestamp <= (SysConsts::ONE_HOUR_SECONDS * 10) && $sign == _sign($params, $key)) {
             return $next($request);
         } else {