diff --git a/app/Http/Controllers/Web/QRService/Certification/CheckDataFormatController.php b/app/Http/Controllers/Web/QRService/Certification/CheckDataFormatController.php
index 138039e..7fba0b6 100644
--- a/app/Http/Controllers/Web/QRService/Certification/CheckDataFormatController.php
+++ b/app/Http/Controllers/Web/QRService/Certification/CheckDataFormatController.php
@@ -123,7 +123,9 @@ class DataConverter
         $target =  substr($data, 5);
 
         $dec = QRCryptoLogic::decrypt($target);
-        if (strlen($dec) !== 15) {
+        if (strlen($dec) !== 25) {
+            logger($target);
+            logger($dec);
             throw new GeneralErrorMessageException("URL不正");
         }
         $ret->発行端末 = substr($dec, 0, 2);