diff --git a/deploy/release/t20251123/start.sh b/deploy/release/t20251123/start.sh
index f7aabee..01facf9 100644
--- a/deploy/release/t20251123/start.sh
+++ b/deploy/release/t20251123/start.sh
@@ -37,7 +37,13 @@ __strong_size() {
 	_raw=$(df -m "$CACHE/$FILE_PATH_START" 2>/dev/null | awk 'NR==2 {print $2/1024}')
 	_size=${_raw%.*}
 	[[ -z "$_size" ]] && _size=40
-	[[ "$_size" -lt 40 ]] && _size=40
+
+	if [[ "$_size" -lt 40 ]]; then
+		_size=40
+	elif [[ "$_size" -gt 40 ]]; then
+		# 大于40时向下取整到十位数：98→90, 87→80, 53→50
+		_size=$(( (_size / 10) * 10 ))
+	fi
 	echo "$_size"
 }