diff --git a/lib/page/system/login/widget/widget.dart b/lib/page/system/login/widget/widget.dart
index 5ae3810..c9e2ecc 100644
--- a/lib/page/system/login/widget/widget.dart
+++ b/lib/page/system/login/widget/widget.dart
@@ -74,7 +74,7 @@ class InputBox extends StatelessWidget {
     );
     return TextField(
       controller: controller,
-      maxLength: 20,
+      maxLength: 100,
       obscureText: obscureText,
       style: Theme.of(context).textTheme.bodyMedium,
       decoration: InputDecoration(