diff --git a/services/auth.py b/services/auth.py
index 9f22dee..1b6218b 100644
--- a/services/auth.py
+++ b/services/auth.py
@@ -1,11 +1,12 @@
 from passlib.context import CryptContext
 
+# 创建一个密码上下文对象，指定使用 bcrypt 加密算法
 pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
 
 def get_password_hash(password: str) -> str:
-    """Generate password hash using bcrypt"""
+    """生成密码的哈希值，使用 bcrypt 算法进行加密"""
     return pwd_context.hash(password)
 
 def verify_password(plain_password: str, hashed_password: str) -> bool:
-    """Verify password against stored hash"""
+    """验证输入的明文密码是否与存储的哈希密码匹配"""
     return pwd_context.verify(plain_password, hashed_password)