diff --git a/app/main.py b/app/main.py
index 6584485..21e09bc 100644
--- a/app/main.py
+++ b/app/main.py
@@ -12,7 +12,7 @@ from app.middleware.request_logger import RequestLoggerMiddleware
 Base.metadata.create_all(bind=engine)
 
 app = FastAPI(
-    title="闪兔到家",
+    title="Beefast 蜂快到家",
     description="API 文档",
     version="1.0.0"
 )
diff --git a/app/models/user.py b/app/models/user.py
index a743c2d..f35e235 100644
--- a/app/models/user.py
+++ b/app/models/user.py
@@ -12,6 +12,7 @@ import string
 class UserRole(str, enum.Enum):
     USER = "user"
     DELIVERYMAN = "deliveryman"
+    MERCHANT = "merchant"
     ADMIN = "admin"
 
 class Gender(str, enum.Enum):
diff --git a/requirements.txt b/requirements.txt
index 4967f36..981a9f2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,4 +11,5 @@ pymysql==1.1.0
 SQLAlchemy==2.0.27
 unisms
 cos-python-sdk-v5==1.9.25
-bcrypt
\ No newline at end of file
+bcrypt
+aiohttp==3.9.1
\ No newline at end of file