diff --git a/Dockerfile b/Dockerfile
index c60bac9..b7204a9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,10 +3,11 @@ FROM index-base:latest
 # 设置工作目录
 WORKDIR /app
 
-# 安装中文字体（使用清华源加速）
+# 安装中文字体
 RUN apt-get update && apt-get install -y --no-install-recommends \
-    fonts-wqy-microhei \
-    && rm -rf /var/lib/apt/lists/*
+    fonts-wqy-zenhei \
+    && rm -rf /var/lib/apt/lists/* \
+    && rm -rf ~/.cache/matplotlib
 
 # 复制依赖文件
 COPY requirements.txt .
diff --git a/strategies/rotation/report.py b/strategies/rotation/report.py
index 5ee0cd1..d151dec 100644
--- a/strategies/rotation/report.py
+++ b/strategies/rotation/report.py
@@ -292,15 +292,11 @@ def _plot_report_chart(
     metrics: dict = None,
 ):
     """绘制报告图表"""
-    # 设置字体：英文用 Times New Roman，中文用文泉驿
-    plt.rcParams["font.family"] = ["sans-serif"]
-    plt.rcParams["font.sans-serif"] = [
-        "DejaVu Sans",
-        "WenQuanYi Micro Hei",
-        "WenQuanYi Zen Hei",
-    ]
+    # 设置中文字体（macOS: Arial Unicode MS, Linux: WenQuanYi Zen Hei）
+    plt.rcParams["font.sans-serif"] = ["Arial Unicode MS", "WenQuanYi Zen Hei", "DejaVu Sans"]
     plt.rcParams["axes.unicode_minus"] = False
 
+
     strategy_nav = backtest_result["轮动策略净值"]
     benchmark_nav = backtest_result["基准净值"]
     strategy_ret = backtest_result["轮动策略日收益率"]