20220920 fix 後台匯出功能

app/Http/Controllers/Backend/DataManagement/SignupManagementController.php

             return redirect()->back();
         }
         */
-        dump($request()->all());
+        dump(request()->all());
         $keyword = $request->keyword;
         $trackNo = $request->trackNo;
         $createDateStart = $request->createDateStart;