From 886985963f4c19906d4a22e14bc80a9c0ba76b58 Mon Sep 17 00:00:00 2001
From: iorebuild <iorebuild@linuxacme.com>
Date: Thu, 30 Apr 2026 13:36:32 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E9=80=9A=E9=81=93=E6=98=BE=E7=A4=BACH1~?=
 =?UTF-8?q?CH16=EF=BC=88=E4=BB=8E1=E5=BC=80=E5=A7=8B=EF=BC=89?=
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---
 plotwidget.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/plotwidget.cpp b/plotwidget.cpp
index b6178c1..e1eb44a 100644
--- a/plotwidget.cpp
+++ b/plotwidget.cpp
@@ -391,7 +391,7 @@ void PlotWidget::drawLegend(QPainter &painter)
         }
 
         // 通道名
-        QString label = QString("ch%1").arg(ch);
+        QString label = QString("CH%1").arg(ch+1);
         painter.setPen(m_channelVisible[ch] ? m_textColor : QColor("#555555"));
         painter.drawText(QRect(legendX + 16, y, 50, itemHeight),
                          Qt::AlignLeft | Qt::AlignVCenter, label);