diff --git a/src/components/channels/ChannelConfigModal.tsx b/src/components/channels/ChannelConfigModal.tsx
index b73885f..7c5aa79 100644
--- a/src/components/channels/ChannelConfigModal.tsx
+++ b/src/components/channels/ChannelConfigModal.tsx
@@ -161,7 +161,7 @@ export default function ChannelConfigModal({
       }}
     >
       <div
-        className="flex max-h-[92vh] w-full max-w-280 flex-col overflow-hidden rounded-[34px] border border-black/10 bg-white shadow-[0_32px_90px_-24px_rgba(15,23,42,0.35)] dark:border-white/10 dark:bg-[#1c1c20]"
+        className="flex max-h-[92vh] w-full max-w-280 flex-col overflow-hidden rounded-2xl border border-black/10 bg-white shadow-[0_32px_90px_-24px_rgba(15,23,42,0.35)] dark:border-white/10 dark:bg-[#1c1c20]"
         onMouseDown={(event) => event.stopPropagation()}
         onClick={(event) => event.stopPropagation()}
       >
diff --git a/src/components/layout/Sidebar.tsx b/src/components/layout/Sidebar.tsx
index 67094c8..60e3510 100644
--- a/src/components/layout/Sidebar.tsx
+++ b/src/components/layout/Sidebar.tsx
@@ -1,5 +1,5 @@
 import { useLocation, useNavigate } from 'react-router-dom';
-import { Book, Bot, Clock, Code, Cpu, House, Link2, Puzzle, Settings } from 'lucide-react';
+import { Book, Bot, Clock, Code, Cpu, House, Network, Puzzle, Settings } from 'lucide-react';
 import { useI18n } from '../../i18n';
 import { NAV_ITEMS, normalizeWorkspacePath } from '../../router/routes';
 
@@ -8,7 +8,7 @@ import blueLogo from '../../assets/images/login/blue_logo.png';
 const MENU_MARKS: Record<string, typeof House> = {
   '/home': House,
   '/knowledge': Book,
-  '/channels': Link2,
+  '/channels': Network,
   '/agents': Bot,
   '/models': Cpu,
   '/skills': Puzzle,