修复问题

src/Tool/Tools/Generate/Model/base-template.tpl

@@ -77,7 +77,7 @@ abstract class <?php echo $className; ?>Base extends Model
     'longblob'   => 2 ^ 32 - 1,
     'longtext'   => 2 ^ 32 - 1,
 ][$field['type']] ?? null) { ?>
-        if (isset($<?php echo $field['varName']; ?>[<?php echo $length - 1; ?>]))
+        if (isset($<?php echo $field['varName']; ?>[<?php echo $length; ?>]))
         {
             throw new \InvalidArgumentException('The maximum length of $<?php echo $field['varName']; ?> is <?php echo $length; ?>');
         }