42b0c4542a8e0b5fcfeff6a4601ef323 *gtb2000-12-31d1t01.shn 31120572791b8eb74d340167509ce0ea *gtb2000-12-31d1t02.shn dda24c7960620cf49bdc687458e9d3b2 *gtb2000-12-31d1t03.shn ad0341c366511b4db94b3456bc48c581 *gtb2000-12-31d1t04.shn 280c8869006f4bdcb5e4e35f7e124228 *gtb2000-12-31d1t05.shn d2e1ba5a24550c2c20899e69d5f8aa15 *gtb2000-12-31d1t06.shn App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned