diff --git a/Dockerfile.base b/Dockerfile.base
index 80b96ff..99b5df6 100644
--- a/Dockerfile.base
+++ b/Dockerfile.base
@@ -8,17 +8,13 @@ FROM registry.t-aaron.com/python:3.11-slim
 
 WORKDIR /app
 
-# 配置 apt 使用更稳定的镜像源并安装系统依赖
-RUN sed -i 's/deb.debian.org/mirrors.aliyun.com/g' /etc/apt/sources.list.d/debian.sources || \
-    sed -i 's/deb.debian.org/mirrors.tuna.tsinghua.edu.cn/g' /etc/apt/sources.list || true \
-    && apt-get update \
-    && apt-get install -y --no-install-recommends \
-        gcc \
-        libpq-dev \
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    build-essential \
+    libpq-dev \
     && rm -rf /var/lib/apt/lists/*
 
-# 复制并处理依赖文件（排除 Windows 专用包和需要编译的包）
+# 复制依赖文件（排除 Windows 专用包 win32_setctime）
 COPY requirements.txt .
-RUN grep -v -E '^(win32_setctime|psycopg2==)' requirements.txt > /tmp/requirements.txt \
+RUN grep -v '^win32_setctime' requirements.txt > /tmp/requirements.txt \
     && pip install --no-cache-dir -r /tmp/requirements.txt \
-    && rm /tmp/requirements.txt requirements.txt
\ No newline at end of file
+    && pip install --no-cache-dir fastapi-cdn-host langchain-tavily langgraph-checkpoint-postgres
\ No newline at end of file