diff --git a/domain/src/main/java/org/mercury_im/messenger/data/repository/AccountRepository.java b/domain/src/main/java/org/mercury_im/messenger/data/repository/AccountRepository.java
index c8c87b0..18eae4a 100644
--- a/domain/src/main/java/org/mercury_im/messenger/data/repository/AccountRepository.java
+++ b/domain/src/main/java/org/mercury_im/messenger/data/repository/AccountRepository.java
@@ -15,8 +15,16 @@ public interface AccountRepository {
 
     Single<Account> insertAccount(Account account);
 
+    default Observable<Optional<Account>> observeAccount(Account account) {
+        return observeAccount(account.getId());
+    }
+
     Observable<Optional<Account>> observeAccount(UUID accountId);
 
+    default Maybe<Account> getAccount(Account account) {
+        return getAccount(account.getId());
+    }
+
     Maybe<Account> getAccount(UUID accountId);
 
     Observable<Optional<Account>> observeAccountByAddress(String address);