diff --git a/app/api/v1/endpoints/auth.py b/app/api/v1/endpoints/auth.py
index d154c5f..52c779d 100644
--- a/app/api/v1/endpoints/auth.py
+++ b/app/api/v1/endpoints/auth.py
@@ -141,8 +141,8 @@ async def send_code(user_send_code: UserSendCode):
             use_tls=True,
         )
 
-        redis_client.setex(f"email:{user_send_code.email}:code", ACCESS_TOKEN_EXPIRE_MINUTES * 60, code)
-        redis_client.setex(f"email:{user_send_code.email}:time", ACCESS_TOKEN_EXPIRE_MINUTES * 60, int(time.time()))
+        redis_client.setex(f"email:{user_send_code.email}:code", settings.CODE_EXPIRATION_TIME, code)
+        redis_client.setex(f"email:{user_send_code.email}:time", settings.CODE_EXPIRATION_TIME, int(time.time()))
 
         return {"msg": "Verification code sent"}
 
diff --git a/app/core/config.py b/app/core/config.py
index 1fb9f8f..b80e7ba 100644
--- a/app/core/config.py
+++ b/app/core/config.py
@@ -17,6 +17,7 @@ class Settings:
     SENDER_PASSWORD: str = os.getenv("SENDER_PASSWORD", "default_password") # 发件人邮箱密码
     KIMI_API_KEY: str = os.getenv("KIMI_API_KEY", "default_kimi_api_key") # KIMI API密钥
     UPLOAD_FOLDER: str = "/lhcos-data/acticleDB"
+    CODE_EXPIRATION_TIME: int = 300  # 验证码过期时间（秒）
 
 
 settings = Settings()
\ No newline at end of file