From 36c881b22940533b2b76c7eb042ee6821b7e23e4 Mon Sep 17 00:00:00 2001
From: ken910606 <ken910606@gmail.com>
Date: Wed, 4 Feb 2026 12:43:57 +0800
Subject: [PATCH] Upload files to 'src/GUI'

---
 src/GUI/gui.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/GUI/gui.py b/src/GUI/gui.py
index 1e0c5ab..f110256 100644
--- a/src/GUI/gui.py
+++ b/src/GUI/gui.py
@@ -580,7 +580,10 @@ class ControlStationUI(QMainWindow):
             cells = round(voltage / 3.95)
 
             # 計算電量百分比
-            percentage = (voltage / cells - 3.7) / 0.5 * 100
+            if cells == 0:
+                percentage = 0
+            else:
+                percentage = (voltage / cells - 3.7) / 0.5 * 100
             
             # 根據百分比設置顏色
             if percentage < 20: