diff --git a/app/plugins/builtins/mail/services.py b/app/plugins/builtins/mail/services.py
index 27cc6f1..55930e1 100644
--- a/app/plugins/builtins/mail/services.py
+++ b/app/plugins/builtins/mail/services.py
@@ -253,10 +253,11 @@ async def imap_sync_account(
         synced_count = 0
         for uid in uids:
             uid_str = uid.decode() if isinstance(uid, bytes) else str(uid)
-            fetch_resp = await client.uid_fetch(uid_str, "(RFC822)")
+            fetch_resp = await client.uid('fetch', uid_str, '(RFC822)')
             raw_email = None
-            for line in fetch_resp:
-                if isinstance(line, tuple) and len(line) >= 2:
+            # aioimaplib Response: lines[0]='OK', lines[1]=[header_bytes, data_bytearray]
+            for line in fetch_resp.lines if hasattr(fetch_resp, 'lines') else fetch_resp:
+                if isinstance(line, (list, tuple)) and len(line) >= 2:
                     raw_email = line[1]
                     break
             if raw_email is None: