From ae3f60445b03cc19077301ed74a7c09bf5564d93 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ph=E1=BA=A1m=20Ho=C3=A0ng=20Sang?= <phsang49@gmail.com>
Date: Fri, 25 Aug 2023 14:40:45 +0700
Subject: [PATCH] Miss case

---
 lib/src/widgets/controller.dart | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/src/widgets/controller.dart b/lib/src/widgets/controller.dart
index 0780b9ea..16e919e8 100644
--- a/lib/src/widgets/controller.dart
+++ b/lib/src/widgets/controller.dart
@@ -152,7 +152,9 @@ class QuillController extends ChangeNotifier {
       } else if (indent.value == 1 && !isIncrease) {
         formatAttribute = Attribute.clone(Attribute.indentL1, null);
       } else if (isIncrease) {
-        formatAttribute = Attribute.getIndentLevel(indent.value + 1);
+        if (indent.value < 5) {
+          formatAttribute = Attribute.getIndentLevel(indent.value + 1);
+        }
       } else {
         formatAttribute = Attribute.getIndentLevel(indent.value - 1);
       }