1.5

backend/app/services/conversation_service.py

@@ -247,10 +247,18 @@ class ConversationService:
                 ConversationMember.left_at.is_(None),
             )
         )
+        member_rows = members_result.scalars().all()
+
+        # 批量获取所有成员用户信息
+        member_user_ids = [m.user_id for m in member_rows]
+        users_result = await self.db.execute(
+            select(User).where(User.id.in_(member_user_ids))
+        )
+        users_map = {u.id: u for u in users_result.scalars().all()}
+
         members = []
-        for m in members_result.scalars().all():
-            user_result = await self.db.execute(select(User).where(User.id == m.user_id))
-            user = user_result.scalars().first()
+        for m in member_rows:
+            user = users_map.get(m.user_id)
             if user:
                 members.append({
                     "id": m.id,