From 369009e9573fa3001458836c0424aafcdf1aa38a Mon Sep 17 00:00:00 2001
From: xoaiPro235 <maivanluc.it@gmail.com>
Date: Wed, 9 Sep 2026 12:29:34 +0700
Subject: [PATCH] fix: early stop in loop

---
 bamboo_utils.go | 1 -
 utils.go        | 5 ++---
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/bamboo_utils.go b/bamboo_utils.go
index 25a0e34..13d3b63 100644
--- a/bamboo_utils.go
+++ b/bamboo_utils.go
@@ -556,7 +556,6 @@ func refreshLastToneTarget(composition []*Transformation, stdStyle bool) []*Tran
 	var newToneTarget = findToneTarget(composition, stdStyle)
 	if lastToneTrans.Target != newToneTarget {
 		var oldTarget = lastToneTrans.Target
-		lastToneTrans.Target = newToneTarget
 		transformations = append(transformations, &Transformation{
 			Target: oldTarget,
 			Rule: Rule{
diff --git a/utils.go b/utils.go
index 1b589b0..1e7339b 100644
--- a/utils.go
+++ b/utils.go
@@ -39,13 +39,12 @@ func IsWordBreakSymbol(key rune) bool {
 }
 
 func IsVowel(chr rune) bool {
-	isVowel := false
 	for _, v := range Vowels {
 		if v == chr {
-			isVowel = true
+			return true
 		}
 	}
-	return isVowel
+	return false 
 }
 
 func FindVowelPosition(chr rune) int {