diff --git a/apps/base/models.py b/apps/base/models.py
index 5a5d99dde..61fe96bec 100644
--- a/apps/base/models.py
+++ b/apps/base/models.py
@@ -28,8 +28,10 @@ class FileCodes(Model):
     created_at: Optional[datetime] = fields.DatetimeField(auto_now_add=True, description='创建时间')
 
     async def is_expired(self):
-        if self.expired_at and (self.expired_count == -1 or self.expired_count > 0):
+        # 按时间
+        if self.expired_at and self.expired_count < 0:
             return self.expired_at < await get_now()
+        # 按次数
         else:
             return self.expired_count != -1 and self.expired_count == 0