diff --git a/core/routers/user/schema.py b/core/routers/user/schema.py
index a04dc1c..640c06f 100644
--- a/core/routers/user/schema.py
+++ b/core/routers/user/schema.py
@@ -4,7 +4,7 @@
 # @Software : PyCharm
 # @Author : xingc
 # @Desc :
-from datetime import date
+from datetime import date, datetime
 from typing import Optional
 
 from pydantic import constr
@@ -24,7 +24,7 @@ class User(BaseMixin):
     points: Optional[int] = 0
     displayed_card_total: Optional[int] = 0
     description: Optional[str | None] = None
-    last_active_at: Optional[str | None] = None
+    last_active_at: Optional[datetime | None] = None
     fans_count: Optional[int] = 0
     followers_count: Optional[int] = 0
 
@@ -41,7 +41,7 @@ class VisitUser(LiteUser):
     is_follow: Optional[bool] = False
     displayed_card_total: Optional[int] = 0
     description: Optional[str | None] = None
-    last_active_at: Optional[str | None] = None
+    last_active_at: Optional[datetime | None] = None
     fans_count: Optional[int] = 0