diff --git a/Dockerfile b/Dockerfile
index 9196a85..7930a3e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,12 +2,27 @@ FROM python:3.12-slim
 
 ENV PYTHONDONTWRITEBYTECODE=1 \
     PYTHONUNBUFFERED=1 \
+    UV_SYSTEM_PYTHON=1 \
+    UV_INDEX_URL="https://pypi.tuna.tsinghua.edu.cn/simple" \
     TZ=Asia/Shanghai
 
 WORKDIR /app
 
 COPY requirements-docker.txt /app/requirements-docker.txt
 
+RUN echo "# 清华大学 Debian 镜像源配置\n\
+# 主软件源\n\
+deb https://mirrors.tuna.tsinghua.edu.cn/debian/ bookworm main contrib non-free non-free-firmware\n\
+deb-src https://mirrors.tuna.tsinghua.edu.cn/debian/ bookworm main contrib non-free non-free-firmware\n\
+\n\
+# 安全更新源\n\
+deb https://mirrors.tuna.tsinghua.edu.cn/debian-security/ bookworm-security main contrib non-free non-free-firmware\n\
+deb-src https://mirrors.tuna.tsinghua.edu.cn/debian-security/ bookworm-security main contrib non-free non-free-firmware\n\
+\n\
+# 更新源\n\
+deb https://mirrors.tuna.tsinghua.edu.cn/debian/ bookworm-updates main contrib non-free non-free-firmware\n\
+deb-src https://mirrors.tuna.tsinghua.edu.cn/debian/ bookworm-updates main contrib non-free non-free-firmware" > /etc/apt/sources.list
+
 RUN pip install --no-cache-dir --upgrade pip \
     && pip install --no-cache-dir -r /app/requirements-docker.txt
 
diff --git a/prefect.yaml b/prefect.yaml
index 3e67d78..fefc022 100644
--- a/prefect.yaml
+++ b/prefect.yaml
@@ -22,7 +22,7 @@ deployments:
       - bitable
       - sync
     schedules:
-      - cron: "0 16 50 * *"
+      - cron: "0 17 * * *"
         timezone: "Asia/Shanghai"
         active: true
     work_pool:
@@ -43,7 +43,7 @@ deployments:
       - feishu
       - notify
     schedules:
-      - cron: "0 17 30 * *"
+      - cron: "0 17 40 * *"
         timezone: "Asia/Shanghai"
         active: true
     work_pool: