diff --git a/presentation/shell/rail_metrics.py b/presentation/shell/rail_metrics.py
index f1e478b..116869a 100644
--- a/presentation/shell/rail_metrics.py
+++ b/presentation/shell/rail_metrics.py
@@ -11,11 +11,13 @@ from PySide6.QtCore import Qt
 from PySide6.QtWidgets import QStyledItemDelegate
 
 # ---- kích thước ---------------------------------------------------------
-_NAV_EXPANDED_WIDTH = 150
+_NAV_EXPANDED_WIDTH = 232
 _NAV_COLLAPSED_WIDTH = 54
 _NAV_ROW_INSET = 8
 _NAV_ROW_GAP = 6
-_NAV_MIN_WIDTH = 132
+# 132 -> 232: o 132px nhan "Cuoc tro chuyen moi" bi cat mat chu. San phai du
+# rong cho nhan DAI NHAT tren thanh, khong phai cho nhan trung binh.
+_NAV_MIN_WIDTH = 232
 _NAV_MAX_SHARE = 0.22
 _NAV_MAX_CEILING = 360