diff --git a/astrbot/core/message/components.py b/astrbot/core/message/components.py
index d43d2d89f..50e81c86d 100644
--- a/astrbot/core/message/components.py
+++ b/astrbot/core/message/components.py
@@ -124,7 +124,6 @@ class Record(BaseMessageComponent):
     timeout: T.Optional[int] = 0
     # 额外
     path: T.Optional[str]
-    duration: T.Optional[int] = 0 # 毫秒
 
     def __init__(self, file: T.Optional[str], **_):
         for k in _.keys():