修改数据源

Dockerfile

@@ -7,15 +7,9 @@ ENV PYTHONDONTWRITEBYTECODE=1 \
     PYTHONUNBUFFERED=1
 
 # 安装编译工具链（某些依赖如 pyfim 构建 wheel 需要 gcc）
-RUN sed -i 's/archive.ubuntu.com/mirrors.aliyun.com/g' /etc/apt/sources.list && \
-    sed -i 's/security.ubuntu.com/mirrors.aliyun.com/g' /etc/apt/sources.list && \
-    apt-get update && \
-    apt-get install -y --no-install-recommends \
-        gcc \
-        g++ \
-        python3-dev \
-        libc6-dev \
-    && rm -rf /var/lib/apt/lists/*
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends gcc g++ libc6-dev && \
+    rm -rf /var/lib/apt/lists/*
 
 # 1) 安装依赖（利用 Docker layer 缓存）
 COPY requirements.txt /app/requirements.txt