diff --git a/frontend/src/components/Layout.tsx b/frontend/src/components/Layout.tsx
index fdc3599e..122e8774 100644
--- a/frontend/src/components/Layout.tsx
+++ b/frontend/src/components/Layout.tsx
@@ -84,7 +84,7 @@ export default function Layout({ children }: LayoutProps) {
 
       {/* Sidebar */}
       <aside className={`
-        fixed lg:static inset-y-0 left-0 z-30 transform transition-all duration-200 ease-in-out
+        fixed lg:fixed inset-y-0 left-0 z-30 transform transition-all duration-200 ease-in-out
         bg-white dark:bg-dark-sidebar border-r border-gray-200 dark:border-gray-800 flex flex-col
         ${mobileSidebarOpen ? 'translate-x-0' : '-translate-x-full lg:translate-x-0'}
         ${isCollapsed ? 'w-20' : 'w-64'}
@@ -238,7 +238,7 @@ export default function Layout({ children }: LayoutProps) {
       )}
 
       {/* Main Content */}
-      <main className="flex-1 min-w-0 overflow-auto pt-16 lg:pt-0 flex flex-col">
+      <main className={`flex-1 min-w-0 overflow-auto pt-16 lg:pt-0 flex flex-col transition-all duration-200 ${isCollapsed ? 'lg:ml-20' : 'lg:ml-64'}`}>
         {/* Desktop Header */}
         <header className="hidden lg:flex items-center justify-between px-8 py-4 bg-white dark:bg-dark-sidebar border-b border-gray-200 dark:border-gray-800 relative">
            <div className="w-1/3 flex items-center gap-4">
diff --git a/frontend/src/components/ProxyHostForm.tsx b/frontend/src/components/ProxyHostForm.tsx
index 94fe5298..5172f926 100644
--- a/frontend/src/components/ProxyHostForm.tsx
+++ b/frontend/src/components/ProxyHostForm.tsx
@@ -6,7 +6,7 @@ import { useRemoteServers } from '../hooks/useRemoteServers'
 import { useDomains } from '../hooks/useDomains'
 import { useCertificates } from '../hooks/useCertificates'
 import { useDocker } from '../hooks/useDocker'
-// import { parse } from 'tldts'
+import { parse } from 'tldts'
 
 interface ProxyHostFormProps {
   host?: ProxyHost
@@ -52,12 +52,9 @@ export default function ProxyHostForm({ host, onSubmit, onCancel }: ProxyHostFor
     }
   }, [])
 
-  // import { parse } from 'tldts'
+  const [testStatus, setTestStatus] = useState<'idle' | 'testing' | 'success' | 'error'>('idle')
 
-interface ProxyHostFormProps {
-// ...existing code...
   const checkNewDomains = (input: string) => {
-    /*
     if (dontAskAgain) return
 
     const domainList = input.split(',').map(d => d.trim()).filter(d => d)
@@ -82,7 +79,6 @@ interface ProxyHostFormProps {
          }
       }
     }
-    */
   }