diff --git a/src/repositories/conversation_repository.py b/src/repositories/conversation_repository.py
index 7f3a1746..ae8d3f0f 100644
--- a/src/repositories/conversation_repository.py
+++ b/src/repositories/conversation_repository.py
@@ -208,7 +208,6 @@ class ConversationRepository:
         The limit applies only to non-pinned conversations to ensure pinned
         conversations are always visible in the list.
         """
-        from sqlalchemy import or_
 
         base_conditions = [Conversation.status == status]
         if user_id:
@@ -220,7 +219,7 @@ class ConversationRepository:
         pinned_query = (
             select(Conversation)
             .where(*base_conditions)
-            .where(Conversation.is_pinned == True)
+            .where(Conversation.is_pinned)
             .order_by(Conversation.updated_at.desc())
         )
         result = await self.db.execute(pinned_query)
@@ -242,7 +241,7 @@ class ConversationRepository:
             non_pinned_query = (
                 select(Conversation)
                 .where(*base_conditions)
-                .where(Conversation.is_pinned == False)
+                .where(~Conversation.is_pinned)
                 .order_by(Conversation.updated_at.desc())
                 .limit(remaining_limit)
                 .offset(remaining_offset)
diff --git a/web/src/components/ChatSidebarComponent.vue b/web/src/components/ChatSidebarComponent.vue
index 802f82ba..78a66bba 100644
--- a/web/src/components/ChatSidebarComponent.vue
+++ b/web/src/components/ChatSidebarComponent.vue
@@ -96,7 +96,16 @@
 <script setup>
 import { computed, h, ref } from 'vue'
 import { message, Modal } from 'ant-design-vue'
-import { PanelLeftClose, MessageSquarePlus, LoaderCircle, Pin, PinOff, Pencil, Trash2, MoreVertical } from 'lucide-vue-next'
+import {
+  PanelLeftClose,
+  MessageSquarePlus,
+  LoaderCircle,
+  Pin,
+  PinOff,
+  Pencil,
+  Trash2,
+  MoreVertical
+} from 'lucide-vue-next'
 import dayjs, { parseToShanghai } from '@/utils/time'
 import { useChatUIStore } from '@/stores/chatUI'
 import { useInfoStore } from '@/stores/info'
diff --git a/web/src/utils/chatExporter.js b/web/src/utils/chatExporter.js
index 11862e2f..c2cdaf73 100644
--- a/web/src/utils/chatExporter.js
+++ b/web/src/utils/chatExporter.js
@@ -95,7 +95,6 @@ export class ChatExporter {
           }
         : null
     })
-
     ;(messages || []).forEach((item) => {
       if (!item) return