diff --git a/docs/images/demo.gif b/docs/images/demo.gif
deleted file mode 100644
index 42bc4e3c..00000000
Binary files a/docs/images/demo.gif and /dev/null differ
diff --git a/web/src/components/AgentConfigSidebar.vue b/web/src/components/AgentConfigSidebar.vue
index 0d15bd37..80e71241 100644
--- a/web/src/components/AgentConfigSidebar.vue
+++ b/web/src/components/AgentConfigSidebar.vue
@@ -4,7 +4,7 @@
     <div class="sidebar-header">
       <div class="sidebar-title">
         <SettingOutlined class="title-icon" />
-        <span>{{ selectedAgent.name || '未选择智能体' }} 配置</span>
+        <span>{{ selectedAgent?.name || '未选择智能体' }} 配置</span>
       </div>
       <a-button
         type="text"