diff --git a/excel_writer.py b/excel_writer.py
index c8bf609..66ca91e 100644
--- a/excel_writer.py
+++ b/excel_writer.py
@@ -366,7 +366,7 @@ def write_vehicle_tracking_sheet(wb, settle_month, G, master_vehicles, vehicle_p
 
     # 交替行底色
     stripe_a = PatternFill(start_color='FFFFFF', end_color='FFFFFF', fill_type='solid')  # 白
-    stripe_b = PatternFill(start_color='F5F5F5', end_color='F5F5F5', fill_type='solid')  # 浅灰
+    stripe_b = PatternFill(start_color='DCE6F1', end_color='DCE6F1', fill_type='solid')  # 浅蓝
     vehicle_idx = 0
 
     rn = 2