diff --git a/src/views/chat/layout/sider/List.vue b/src/views/chat/layout/sider/List.vue
index 2a282e0..0f5ddae 100644
--- a/src/views/chat/layout/sider/List.vue
+++ b/src/views/chat/layout/sider/List.vue
@@ -32,6 +32,8 @@ function handleEdit({ uuid }: Chat.History, isEdit: boolean, event?: MouseEvent)
 function handleDelete(index: number, event?: MouseEvent | TouchEvent) {
   event?.stopPropagation()
   chatStore.deleteHistory(index)
+  if (isMobile.value)
+    appStore.setSiderCollapsed(true)
 }
 
 function handleEnter({ uuid }: Chat.History, isEdit: boolean, event: KeyboardEvent) {