diff --git a/Dockerfile b/Dockerfile
index 6baa422..bec379d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -14,6 +14,12 @@ FROM python:3.11.9-alpine AS runtime-image
 
 WORKDIR /app
 
+# 设置时区为东八区（北京时间），让日志和数据库 download_time 字段使用本地时间
+RUN sed -i 's|dl-cdn.alpinelinux.org|mirrors.ustc.edu.cn|g' /etc/apk/repositories \
+    && apk add --no-cache tzdata \
+    && cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime \
+    && echo "Asia/Shanghai" > /etc/timezone
+
 # 从上面自己编译的阶段复制依赖（支持任意架构）
 COPY --from=compile-image /usr/local/lib/python3.11/site-packages \
      /usr/local/lib/python3.11/site-packages
diff --git a/docker-compose.yaml b/docker-compose.yaml
index e69504e..c1d1e87 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -13,6 +13,10 @@ services:
     # ports:
     #   - "5000:5000"
 
+    # 时区设置（让日志、数据库 download_time 显示北京时间）
+    environment:
+      - TZ=Asia/Shanghai
+
     volumes:
       # 配置、session、进度数据统一持久化到 ./appdata 目录
       - "./appdata:/app/appdata"