diff --git a/config/local_settings.example.py b/config/local_settings.example.py
index 49edb46..428221b 100644
--- a/config/local_settings.example.py
+++ b/config/local_settings.example.py
@@ -1,18 +1,30 @@
 """
-本地设置示例文件
+生产环境本地设置
 使用方法：复制为 local_settings.py 并按需修改
   cp local_settings.example.py local_settings.py
+
+此文件已在 .gitignore 中忽略，不会提交到仓库。
+在此文件中覆盖 settings.py 中的任意配置。
 """
 
-# 生产环境请设置
-# import os
-# SECRET_KEY = os.environ.get('DJANGO_SECRET_KEY', 'your-secret-key')
+# ============ 安全配置 ============
+# 生成方式: python -c "from django.core.management.utils import get_random_secret_key; print(get_random_secret_key())"
+SECRET_KEY = 'your-production-secret-key-here'
 
-# DEBUG = False
+DEBUG = False
 
-# ALLOWED_HOSTS = ['www.yuangyaa.com', 'yuangyaa.com']
+ALLOWED_HOSTS = ['www.yuangyaa.com', 'yuangyaa.com']
 
-# 生产环境数据库（PostgreSQL）
+# ============ 数据库配置 ============
+# SQLite（轻量级，适合小规模站点）
+# DATABASES = {
+#     'default': {
+#         'ENGINE': 'django.db.backends.sqlite3',
+#         'NAME': BASE_DIR / 'db.sqlite3',
+#     }
+# }
+
+# PostgreSQL（推荐生产环境）
 # DATABASES = {
 #     'default': {
 #         'ENGINE': 'django.db.backends.postgresql',
diff --git a/config/settings.py b/config/settings.py
index 6a7143e..d045f20 100644
--- a/config/settings.py
+++ b/config/settings.py
@@ -11,7 +11,6 @@ https://docs.djangoproject.com/en/5.2/ref/settings/
 """
 
 from pathlib import Path
-import os
 
 # Build paths inside the project like this: BASE_DIR / 'subdir'.
 BASE_DIR = Path(__file__).resolve().parent.parent
@@ -21,14 +20,14 @@ DATA_DIR = BASE_DIR / 'data'
 # See https://docs.djangoproject.com/en/5.2/howto/deployment/checklist/
 
 # SECURITY WARNING: keep the secret key used in production secret!
-SECRET_KEY = os.environ.get(
-    'DJANGO_SECRET_KEY',
-    'django-insecure-g224%sp()h))26kj26pnnfoayu-knah+!)h9uzgqeece&6*clp'
-)
+# 生产环境请在 local_settings.py 中覆盖
+SECRET_KEY = 'django-insecure-g224%sp()h))26kj26pnnfoayu-knah+!)h9uzgqeece&6*clp'
 
 # SECURITY WARNING: don't run with debug turned on in production!
+# 生产环境请在 local_settings.py 中设置为 False
 DEBUG = True
 
+# 生产环境请在 local_settings.py 中配置
 ALLOWED_HOSTS = []
 
 # Application definition