diff --git a/requirements.txt b/requirements.txt
index 7e985ca..1c5782d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -58,3 +58,4 @@ python-frontmatter>=1.0.0
 
 # 新增：从 .env 加载本地环境变量
 python-dotenv>=1.0.1
+## 新增：从 .env 加载本地环境变量