diff --git a/Dockerfile b/Dockerfile
index 4b00f12..64949d2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,9 +5,7 @@ WORKDIR /app
 COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
 
-COPY . .
-
-# 配置文件不打包，由 volumes 挂载
-VOLUME ["/app/config.yaml", "/app/last_notifications.json"]
+COPY main.py notifier.py .
+COPY config.yaml.example config.yaml
 
 CMD ["python", "main.py"]
\ No newline at end of file
diff --git a/config.yaml.example b/config.yaml.example
new file mode 100644
index 0000000..a82966b
--- /dev/null
+++ b/config.yaml.example
@@ -0,0 +1,18 @@
+monitor:
+  frequency_minutes: 30
+
+sites:
+  - name: "物理与电子科学学院"
+    url: "https://www.csust.edu.cn/wdxy/xytz.htm"
+    encoding: "utf-8"
+  - name: "教务处"
+    url: "https://www.csust.edu.cn/jwc/index/tzgg.htm"
+    encoding: "utf-8"
+
+notification:
+  smtp_host: "smtp.163.com"
+  smtp_port: 25
+  smtp_user: "your_email@163.com"
+  smtp_password: "your_password"
+  to_email: "notify@example.com"
+  use_tls: true
\ No newline at end of file