diff --git a/apps/desktop/src/renderer/App.tsx b/apps/desktop/src/renderer/App.tsx
index 378833f..41e2357 100644
--- a/apps/desktop/src/renderer/App.tsx
+++ b/apps/desktop/src/renderer/App.tsx
@@ -3218,6 +3218,8 @@ export function App() {
               }}
               onOpenLogsDirectory={openLogsDirectory}
               tabBarProps={tabBarProps}
+              isResizingSidebar={isResizingSidebar}
+              onResizeStart={() => setIsResizingSidebar(true)}
             />
           </div>
         </main>
diff --git a/apps/desktop/src/renderer/features/workspace/HomeWorkspace.tsx b/apps/desktop/src/renderer/features/workspace/HomeWorkspace.tsx
index 01f84ce..4114fea 100644
--- a/apps/desktop/src/renderer/features/workspace/HomeWorkspace.tsx
+++ b/apps/desktop/src/renderer/features/workspace/HomeWorkspace.tsx
@@ -33,7 +33,9 @@ export function HomeWorkspace({
   onSetTheme,
   onSetLocale,
   onOpenLogsDirectory,
-  tabBarProps
+  tabBarProps,
+  isResizingSidebar,
+  onResizeStart
 }: {
   profiles: ConnectionProfile[]
   folders?: ConnectionFolder[]
@@ -60,6 +62,8 @@ export function HomeWorkspace({
   onSetLocale(value: 'zhCN' | 'enUS'): void
   onOpenLogsDirectory(): void
   tabBarProps: any
+  isResizingSidebar: boolean
+  onResizeStart(): void
 }) {
   const [activeTab, setActiveTab] = useState<'overview' | 'quick-links' | 'command-manager' | 'connection-manager' | 'settings'>('overview')
   const [navDirection, setNavDirection] = useState<'down' | 'up'>('down')
@@ -170,6 +174,12 @@ export function HomeWorkspace({
             <span>GitHub</span>
           </button>
         </div>
+        <div
+          aria-label={t.resizeSidebar}
+          className={`sidebar-resizer ${isResizingSidebar ? 'is-active' : ''}`}
+          onMouseDown={onResizeStart}
+          role="separator"
+        />
       </aside>
 
       {/* Main Content Area */}
diff --git a/apps/desktop/src/renderer/features/workspace/WorkspaceStage.tsx b/apps/desktop/src/renderer/features/workspace/WorkspaceStage.tsx
index 8e8365c..f423329 100644
--- a/apps/desktop/src/renderer/features/workspace/WorkspaceStage.tsx
+++ b/apps/desktop/src/renderer/features/workspace/WorkspaceStage.tsx
@@ -87,7 +87,9 @@ export function WorkspaceStage({
   onSetTheme,
   onSetLocale,
   onOpenLogsDirectory,
-  tabBarProps
+  tabBarProps,
+  isResizingSidebar,
+  onResizeStart
 }: {
   activeLocalTab: ActiveLocalTab
   activeHomeTabId: string | null
@@ -156,6 +158,8 @@ export function WorkspaceStage({
   onSetLocale(value: 'zhCN' | 'enUS'): void
   onOpenLogsDirectory(): void
   tabBarProps: any
+  isResizingSidebar: boolean
+  onResizeStart(): void
 }) {
   if (activeLocalTab?.kind === 'system') {
     return <SystemInfoWorkspace activeProfile={activeProfile} activeSession={activeSession} />
@@ -237,6 +241,8 @@ export function WorkspaceStage({
       onOpenLogsDirectory={onOpenLogsDirectory}
       profiles={profiles}
       tabBarProps={tabBarProps}
+      isResizingSidebar={isResizingSidebar}
+      onResizeStart={onResizeStart}
     />
   )
 }
diff --git a/apps/desktop/src/renderer/styles/features/home.css b/apps/desktop/src/renderer/styles/features/home.css
index 487d730..9c8fcb1 100644
--- a/apps/desktop/src/renderer/styles/features/home.css
+++ b/apps/desktop/src/renderer/styles/features/home.css
@@ -17,6 +17,7 @@
 
 /* Sidebar Styling */
 .home-sidebar {
+  position: relative;
   width: var(--sidebar-width, 214px);
   height: 100%;
   background-color: var(--bg-sidebar);
@@ -728,5 +729,5 @@
 }
 
 .home-tabs-bar .fs-tabs {
-  padding-left: calc(var(--brand-width, 214px) - var(--sidebar-width, 214px)) !important;
+  padding-left: 0 !important;
 }