diff --git a/kernel/av/av.go b/kernel/av/av.go
index 9efc2358b..6b2a55899 100644
--- a/kernel/av/av.go
+++ b/kernel/av/av.go
@@ -65,7 +65,7 @@ const (
 	KeyTypeURL     KeyType = "url"
 	KeyTypeEmail   KeyType = "email"
 	KeyTypePhone   KeyType = "phone"
-	KeyTypeMAsset  KeyType = "asset"
+	KeyTypeMAsset  KeyType = "mAsset"
 )
 
 // Key 描述了属性视图属性列的基础结构。