diff --git a/plusone-system/plusone-system-domain/src/main/java/xyz/zhouxy/plusone/system/domain/model/account/AccountInfo.java b/plusone-system/plusone-system-domain/src/main/java/xyz/zhouxy/plusone/system/domain/model/account/AccountInfo.java
index 3fcafbb..ed03983 100644
--- a/plusone-system/plusone-system-domain/src/main/java/xyz/zhouxy/plusone/system/domain/model/account/AccountInfo.java
+++ b/plusone-system/plusone-system-domain/src/main/java/xyz/zhouxy/plusone/system/domain/model/account/AccountInfo.java
@@ -38,6 +38,6 @@ public class AccountInfo implements IValueObject {
         } catch (MalformedURLException e) {
             throw new IllegalArgumentException(e);
         }
-        return new AccountInfo(Nickname.ofNullable(nickname), avatarURL, Objects.nonNull(sex) ? sex : Sex.UNSET);
+        return new AccountInfo(Nickname.ofNullable(nickname), avatarURL, sex);
     }
 }