diff --git a/SubMind.py b/SubMind.py
index f9b6de7..558ae92 100644
--- a/SubMind.py
+++ b/SubMind.py
@@ -518,7 +518,7 @@ async def stats(update: Update, context: CallbackContext):
         try:
             theme_colors = ['#3B82F6', '#10B981', '#F59E0B', '#EF4444', '#8B5CF6', '#EC4899', '#14B8A6', '#F97316', '#6366F1', '#84CC16']
             if len(category_costs) > len(theme_colors):
-                import matplotlib.pyplot as plt
+                # 移除导致遮蔽的局部 import，直接使用全局的 matplotlib 和 plt
                 extra_colors = [matplotlib.colors.to_hex(c) for c in plt.get_cmap('tab20').colors]
                 theme_colors.extend(extra_colors)